Abstract:
A display device includes a plurality of sub-pixel groups. Each sub-pixel group includes a first sub-pixel located at a first column; a second sub-pixel located at a second column adjacent to the first column; a third sub-pixel located a third column adjacent to the second column; a fourth sub-pixel located at the third column; a fifth sub-pixel located at a fourth column adjacent to the third column; and a six sub-pixel located at the fourth column; wherein height of the first sub-pixel is different from or/equal to height of the second sub-pixel, a sum of heights of the third sub-pixel and the fourth sub-pixel, and a sum of heights of the fifth sub-pixel and the sixth sub-pixel; wherein height of the third sub-pixel is different from or equal to height of the fourth sub-pixel; wherein height of the fifth sub-pixel is different from or equal to height of sixth sub-pixel.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    1. Field of the Invention 
         [0002]    The present invention relates to a display device and driving module thereof, and more particularly, to a display device reducing power consumption and increasing brightness via changing sub-pixel arrangement method and driving module thereof. 
         [0003]    2. Description of the Prior Art 
         [0004]    A liquid crystal display (LCD) is a flat panel display which has the advantages of low radiation, light weight and low power consumption and is widely used in various information technology (IT) products, such as notebook computers, personal digital assistants (PDA), and mobile phones. An active matrix thin film transistor (TFT) LCD is the most commonly used transistor type in LCD families, and particularly in the large-size LCD family. A driving system installed in the LCD includes a timing controller, source drivers and gate drivers. The source and gate drivers respectively control data lines and scan lines, which intersect to form a cell matrix. Each intersection is a cell including crystal display molecules and a TFT. In the driving system, the gate drivers are responsible for transmitting scan signals to gates of the TFTs to turn on the TFTs on the panel. The source drivers are responsible for converting digital image data, sent by the timing controller, into analog voltage signals and outputting the voltage signals to sources of the TFTs. When a TFT receives the voltage signals, a corresponding liquid crystal molecule has a terminal whose voltage changes to equalize the drain voltage of the TFT, which thereby changes its own twist angle. The rate that light penetrates the liquid crystal molecule is changed accordingly, allowing different colors to be displayed on the panel. 
         [0005]    An image quality of the LCD can be determined via counting a number of pixels of the LCD located in a direction. For example, the user may acquire a reference of determining the image quality of the LCD via calculating the pixels per inch (PPI). Please refer to  FIG. 1 , which is a schematic diagram of the relationship between the image quality and the PPI. As shown in  FIG. 1 , the image quality is proportional to the PPI. However, recognizing ability of the eyes has a limit. When the PPI of the LCD exceeds a threshold, the eyes generally cannot recognize each pixel of the LCD. In other words, the image viewed by the eyes would become no-grid if the PPI of the LCD exceeds the threshold. 
         [0006]    For example, under a condition that the visual acuity of the user is 1.0 and a distance between the eyes and the LCD is 12 inches, it may be difficult for the user to recognize distances between the pixels of the LCD when the PPI of the LCD exceeds 286. In other words, the image received by the eyes becomes no-grid if the PPI of the LCD reaches 286. In such a condition, the number of sub-pixels corresponding to each pixel can be accordingly decreased, to increase the aperture ratio and to reduce the power consumption of the LCD. Thus, how to decrease the number of sub-pixel while maintaining the image quality becomes a topic to be discussed. 
       SUMMARY OF THE INVENTION 
       [0007]    In order to solve the above problem, the present invention provides a reducing power consumption and increasing brightness via changing pixel arrangement method and driving module thereof. 
         [0008]    As an aspect, a display device with a plurality of sub-pixel groups is disclosed. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, and a sixth sub-pixel. In an embodiment, the first pixel is located at a first column, the second sub-pixel is located at a second column adjacent to the first column, the third sub-pixel is located at a third column adjacent to the second column, the fourth sub-pixel is located at the third column, the fifth sub-pixel is located at a fourth column adjacent to the third column, and the sixth sub-pixel is located at the fourth column. In addition, a height of the first sub-pixel is different from or equal to a height of the second sub-pixel; a height of the first sub-pixel is greater than heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is greater than or equal to a sum of the heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fifth sub-pixel and the sixth sub-pixel; and the height of the third sub-pixel is different from or equal to the height of the fourth sub-pixel and the height of the fifth sub-pixel is different from or equal to the height of the sixth sub-pixel. Via adapting the above sub-pixel groups, the aperture ratio and brightness of the display device are improved. 
         [0009]    As another aspect, a driving module used for driving a display device to display images is disclosed. The display device comprises a plurality of sub-pixel groups. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, and a sixth sub-pixel. In an embodiment, the first pixel is located at a first column, the second sub-pixel is located at a second column adjacent to the first column, the third sub-pixel is located at a third column adjacent to the second column, the fourth sub-pixel is located at the third column, the fifth sub-pixel is located at a fourth column adjacent to the third column, and the sixth sub-pixel is located at the fourth column. In addition, a height of the first sub-pixel is different from or equal to a height of the second sub-pixel; a height of the first sub-pixel is greater than heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is greater than or equal to a sum of the heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fifth sub-pixel and the sixth sub-pixel; and the height of the third sub-pixel is different from or equal to the height of the fourth sub-pixel and the height of the fifth sub-pixel is different from or equal to the height of the sixth sub-pixel. Via the arrangement of each of the sub-pixel groups, the aperture ratio and brightness of the display device are improved. 
         [0010]    As another aspect, a display device with a plurality of sub-pixel groups is disclosed. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, a sixth sub-pixel, and a seventh sub-pixel. In the embodiment, the first sub-pixel is located at a first column; the second sub-pixel is located at a second column adjacent to the first column; the third sub-pixel is located at the second column; the fourth sub-pixel is located at a third column adjacent to the second column; the fifth sub-pixel is located at the third column; the sixth sub-pixel is located at a fourth column adjacent to the third column; and the seventh sub-pixel is located at the fourth column. In addition, a height of the first sub-pixel is greater than heights of the second sub-pixel, the third sub-pixel, the fourth sub-pixel, the fifth sub-pixel, the sixth sub-pixel and the seventh sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the second sub-pixel and the third sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fourth sub-pixel and the fifth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the sixth sub-pixel and the seventh sub-pixel. The height of the second sub-pixel is different from or equal to the height of the third sub-pixel, the height of the fourth sub-pixel is different from or equal to the height of the fifth sub-pixel, and the height of the sixth sub-pixel is different from or equal to the height of the seventh sub-pixel. Via adapting the above sub-pixel groups, the aperture ratio and brightness of the display device are improved. 
         [0011]    As to another aspect, a driving module used for driving a display device to display images is disclosed. The display device comprises a plurality of sub-pixel groups. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, a sixth sub-pixel, and a seventh sub-pixel. In the embodiment, the first sub-pixel is located at a first column; the second sub-pixel is located at a second column adjacent to the first column; the third sub-pixel is located at the second column; the fourth sub-pixel is located at a third column adjacent to the second column; the fifth sub-pixel is located at the third column; the sixth sub-pixel is located at a fourth column adjacent to the third column; and the seventh sub-pixel is located at the fourth column. In addition, a height of the first sub-pixel is greater than heights of the second sub-pixel, the third sub-pixel, the fourth sub-pixel, the fifth sub-pixel, the sixth sub-pixel and the seventh sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the second sub-pixel and the third sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fourth sub-pixel and the fifth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the sixth sub-pixel and the seventh sub-pixel. The height of the second sub-pixel is different from or equal to the height of the third sub-pixel, the height of the fourth sub-pixel is different from or equal to the height of the fifth sub-pixel, and the height of the sixth sub-pixel is different from or equal to the height of the seventh sub-pixel. 
         [0012]    As to another aspect, a display device with a plurality of sub-pixel groups is disclosed. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, a sixth sub-pixel, a seventh sub-pixel, an eighth sub-pixel, a ninth sub-pixel, a tenth sub-pixel, an eleventh sub-pixel, and a twelfth sub-pixel. In the embodiment, the first sub-pixel is located at a first column; the second sub-pixel is located at a second column adjacent to the first column; the third sub-pixel, located at a third column adjacent to the second column; the fourth sub-pixel is located at the third column; the fifth sub-pixel is located at a fourth column adjacent to the third column; the sixth sub-pixel is located at the fourth column adjacent; the seventh sub-pixel is located at a fifth column adjacent to the fourth column; the eighth sub-pixel is located at the fifth column; the ninth sub-pixel is located at a sixth column adjacent to the fifth column; the tenth sub-pixel is located at a seventh column adjacent to the sixth column; the eleventh sub-pixel, located at an eighth column adjacent to the seventh column; the twelfth sub-pixel, located at the eighth column. In addition, heights of the first sub-pixel, the second sub-pixel, the ninth sub-pixel and the tenth sub-pixel are greater than heights of the third sub-pixel, the fourth sub-pixel, the fifth sub-pixel, the sixth sub-pixel, the seventh sub-pixel, the eighth sub-pixel, the eleventh sub-pixel and the twelfth sub-pixel. The height of the first sub-pixel is different from or equal to the heights of the second sub-pixel, the ninth sub-pixel and the tenth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fifth sub-pixel and the sixth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the seventh sub-pixel and the eighth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the eleventh sub-pixel and the twelfth sub-pixel. The height of the third sub-pixel is different from or equal to the height of the fourth sub-pixel, the height of the fifth sub-pixel is different from or equal to the height of the sixth sub-pixel, the height of the seventh sub-pixel is different from or equal to the height of the eighth sub-pixel, and the height of the eleventh sub-pixel is different from or equal to the height of the twelfth sub-pixel. Via adapting the above sub-pixel groups, the aperture ratio and brightness of the display device are improved. 
         [0013]    As to another aspect, a driving module used for driving a display device to display images is disclosed. The display device comprises a plurality of sub-pixel groups. Each of sub-pixel groups comprises a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, a fifth sub-pixel, a sixth sub-pixel, a seventh sub-pixel, an eighth sub-pixel, a ninth sub-pixel, a tenth sub-pixel, an eleventh sub-pixel, and a twelfth sub-pixel. In the embodiment, the first sub-pixel is located at a first column; the second sub-pixel is located at a second column adjacent to the first column; the third sub-pixel, located at a third column adjacent to the second column; the fourth sub-pixel is located at the third column; the fifth sub-pixel is located at a fourth column adjacent to the third column; the sixth sub-pixel is located at the fourth column adjacent; the seventh sub-pixel is located at a fifth column adjacent to the fourth column; the eighth sub-pixel is located at the fifth column; the ninth sub-pixel is located at a sixth column adjacent to the fifth column; the tenth sub-pixel is located at a seventh column adjacent to the sixth column; the eleventh sub-pixel, located at an eighth column adjacent to the seventh column; the twelfth sub-pixel, located at the eighth column. In addition, heights of the first sub-pixel, the second sub-pixel, the ninth sub-pixel and the tenth sub-pixel are greater than heights of the third sub-pixel, the fourth sub-pixel, the fifth sub-pixel, the sixth sub-pixel, the seventh sub-pixel, the eighth sub-pixel, the eleventh sub-pixel and the twelfth sub-pixel. The height of the first sub-pixel is different from or equal to the heights of the second sub-pixel, the ninth sub-pixel and the tenth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the third sub-pixel and the fourth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the fifth sub-pixel and the sixth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the seventh sub-pixel and the eighth sub-pixel. The height of the first sub-pixel is different from or equal to a sum of the heights of the eleventh sub-pixel and the twelfth sub-pixel. The height of the third sub-pixel is different from or equal to the height of the fourth sub-pixel, the height of the fifth sub-pixel is different from or equal to the height of the sixth sub-pixel, the height of the seventh sub-pixel is different from or equal to the height of the eighth sub-pixel, and the height of the eleventh sub-pixel is different from or equal to the height of the twelfth sub-pixel. 
         [0014]    According to the embodiments of the present invention, the number of sub-pixels for realizing the display device is reduced, so that the aperture ratio, the power consumption and the layout area of the display device therefore can be improved. 
         [0015]    These and other objectives of the present invention will no doubt become obvious to those of ordinary skill in the art after reading the following detailed description of the preferred embodiment that is illustrated in the various figures and drawings. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0016]      FIG. 1  is a schematic diagram of the relationship between the image quality and the pixel per inch. 
           [0017]      FIG. 2  is a schematic diagram of a display device according to an example of the present invention. 
           [0018]      FIG. 3  is a schematic diagram of the sub-pixel group shown in  FIG. 2 . 
           [0019]      FIG. 4  is a schematic diagram of a display device according to an example of the present invention. 
           [0020]      FIG. 5  is a schematic diagram of the sub-pixel group shown in  FIG. 4 . 
           [0021]      FIG. 6  is a schematic diagram of a display device according to an example of the present invention. 
           [0022]      FIG. 7  is a schematic diagram of a display device according to an example of the present invention. 
           [0023]      FIG. 8  is a schematic diagram of a display device according to an example of the present invention. 
           [0024]      FIG. 9  is a schematic diagram of the sub-pixel group shown in  FIG. 8 . 
           [0025]      FIG. 10  is a schematic diagram of a display device according to an example of the present invention. 
           [0026]      FIG. 11  is a schematic diagram of the sub-pixel group shown in  FIG. 10 . 
           [0027]      FIG. 12  is a schematic diagram of a display device according to an example of the present invention. 
           [0028]      FIG. 13  is a schematic diagram of a circuit layout of the display device shown in  FIG. 6 . 
           [0029]      FIG. 14  is a schematic diagram of another circuit layout of the display device shown in  FIG. 6 . 
           [0030]      FIG. 15  is a schematic diagram of a display device according to an example of the present invention. 
           [0031]      FIG. 16  is a schematic diagram of the sub-pixel group shown in  FIG. 15 . 
           [0032]      FIG. 17  is a schematic diagram of a display device according to an example of the present invention. 
           [0033]      FIG. 18  is a schematic diagram of the sub-pixel group shown in  FIG. 17 . 
           [0034]      FIG. 19  is a schematic diagram of a display device according to an example of the present invention. 
           [0035]      FIG. 20  is a schematic diagram of a display device according to an example of the present invention. 
           [0036]      FIG. 21  is a schematic diagram of a display device according to an example of the present invention. 
           [0037]      FIG. 22  is a schematic diagram of a display device according to an example of the present invention. 
           [0038]      FIG. 23  is a schematic diagram of the sub-pixel group shown in  FIG. 22 . 
           [0039]      FIG. 24  is a schematic diagram of a circuit layout of the display device shown in  FIG. 19 . 
           [0040]      FIG. 25  is a schematic diagram of another circuit layout of the display device shown in  FIG. 19 . 
           [0041]      FIG. 26  is a schematic diagram of a display device according to an example of the present invention. 
           [0042]      FIG. 27  is a schematic diagram of the sub-pixel group shown in  FIG. 26 . 
           [0043]      FIG. 28  is a schematic diagram of a display device according to an example of the present invention. 
           [0044]      FIG. 29  is a schematic diagram of the sub-pixel group shown in  FIG. 28 . 
           [0045]      FIG. 30  is a schematic diagram of a display device according to an example of the present invention. 
           [0046]      FIG. 31  is a schematic diagram of a display device according to an example of the present invention. 
           [0047]      FIG. 32  is a schematic diagram of the sub-pixel group according to an example of the present invention. 
           [0048]      FIG. 33  is a schematic diagram of the sub-pixel group according to an example of the present invention. 
           [0049]      FIG. 34  is a schematic diagram of the sub-pixel group according to an example of the present invention. 
           [0050]      FIG. 35  is a schematic diagram of a circuit layout of the display device shown in  FIG. 30 . 
           [0051]      FIG. 36  is a schematic diagram of another circuit layout of the display device shown in  FIG. 30 . 
           [0052]      FIG. 37  is a schematic diagram of still another circuit layout of the display device shown in  FIG. 30 . 
       
    
    
     DETAILED DESCRIPTION 
       [0053]    The present invention reduces a number of sub-pixels corresponding to each pixel via different arrangements of the sub-pixels. An aperture ratio and brightness of the liquid crystal display (LCD) are accordingly improved. The power consumption and the layout area of the LCD are further decreased. 
         [0054]    Please refer to  FIG. 2 , which is a schematic diagram of a display device  20  according to an example of the present invention. The display device  20  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 2  only shows parts of sub-pixels of the display device  20  for illustrations. Note that,  FIG. 2  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 2 , the display device  20  comprises a plurality of repeatedly arranged sub-pixel groups SPG 1  (only one sub-pixel group SPG 1  is marked in  FIG. 2  for illustrations). In order to simplify the descriptions, please refer to  FIG. 3  which is a schematic diagram of the sub-pixel group SPG 1  shown in  FIG. 2 . In  FIG. 3 , the sub-pixel group SPG 1  comprises sub-pixels SP 1 -SP 6 . The sub-pixel SP 1  is configured at the j column, the i row and the i+1 row; the sub-pixel SP 2  is configured at the j+1 column, the i row and the i+1 row; the sub-pixel SP 3  is configured at the j+2 column and the i row; the sub-pixel SP 4  is configured at the j+2 column and the i+1 row; the sub-pixel SP 5  is configured at the j+3 column and the i row; and the sub-pixel SP 5  is configured at the j+3 column and the i+1 row. The sub-pixels SP 3  and SP 4  may equip different or the same height and the sub-pixels SP 5  and SP 6  may also equip different or the same height. Via the abovementioned arrangement of the sub-pixels SP 1 -SP 6 , the sub-pixel group SPG 1  is corresponding to 2 pixels. That is, a number of the sub-pixels corresponding to single pixel is reduced. The aperture ratio of display device  20  is increased and the power consumption of the display device  20  is decreased, therefore. 
         [0055]    In detail, the sub-pixels SP 1  and SP 2  may have a same height L 1 , the sub-pixels SP 3  and SP 5  may have a same height L 2  and the sub-pixels SP 4  and SP 6  may have a same height L 3 . The height L 1  is greater than the heights L 2  and L 3 , the height L 2  may be different from or equal to the height L 3 , and the height L 1  is different from or equal to a sum of the heights L 2  and L 3 . In this example, the height L 3  is greater than the height L 2  in the sub-pixel group SPG 1 . In such a condition, the rows of the sub-pixels SP 3 -SP 6  overlap those of the sub-pixels SP 1  and SP 2 . 
         [0056]    In this example, the sub-pixels SP 1 -SP 6  are corresponding to blue, green, white, red, white and green, wherein the sub-pixels SP 2  and SP 6  corresponding to green have different areas. Via adding the sub-pixels SP 3  and SP 5  corresponding to white, the brightness of the display device  20  is increased and the power consumption of the display device  20  is decreased. According to different applications and design concepts, the colors corresponding to the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1  may be changed and are not limited by those shown in  FIG. 3 . For example, the sub-pixels SP 3  and SP 5  may be altered to be corresponding to other color different from red, blue and green (e.g. yellow). In another example, the sub-pixels SP 1 -SP 6  are corresponding to more than 4 colors. That is, the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1  are corresponding to at least 4 colors. 
         [0057]    As to the relationships between the pixels and the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1  please refer to the followings. As shown in  FIG. 3 , the sub-pixels SP 1  and SP 2  are corresponding to a pixel and the sub-pixels SP 3 -SP 6  are corresponding to another pixel. If the problem of lacking colors occurs when the sub-pixels SP 1  and SP 2  or the sub-pixels SP 3 -SP 6  displays the corresponded pixel, the display device  20  may borrow the colors from surrounding pixels via adopting an algorithm (e.g. sub-pixel rendering algorithm), for displaying the corresponded pixel completely. In the prior art, each pixel requires 4 sub-pixels in average when adopting the sub-pixels corresponding to white. In comparison, 6 sub-pixels are corresponding to 2 pixels in the sub-pixel group SPG 1 . That is, the number of sub-pixels required by each pixel is decreased to 3. If the sub-pixels SP 3  and SP 5  are coupled to the same data line (i.e. the sub-pixels SP 3  and SP 5  may be regarded as single sub-pixel), the number of sub-pixels required by each pixel is decreased to 2.5. When the resolution of the display device  20  keeps constant, the number of the sub-pixels utilized for realizing the display device  20  is reduced and the aperture ratio of the display device  20  is accordingly increased. 
         [0058]    In an example, a vertical displacement may exist between the sub-pixels of the display device  20  shown in  FIG. 2 . Please refer to  FIG. 4 , which is a schematic diagram of a display device  40  according to an example of the present invention. The display device  40  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 4  only shows parts of sub-pixels of the display device  40  for illustrations. Note that,  FIG. 4  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 4 , the display device  40  comprises a plurality of repeatedly arranged sub-pixel groups SPG 2  (only one sub-pixel group SPG 2  is marked in  FIG. 4  for illustrations). In order to simplify the descriptions, please refer to  FIG. 5  which is a schematic diagram of the sub-pixel group SPG 2  shown in  FIG. 4 . In  FIG. 5 , the sub-pixel group SPG 2  comprises sub-pixels SP 7 -SP 12 . Different from the sub-pixel group SPG 1  shown in  FIG. 3 , a vertical displacement V 1  exists between the sub-pixels SP 7  and SP 8 . The sub-pixel SP 7  is located at the i, i+1 rows and the sub-pixel SP 8  is located at the i+1, i+2 rows, therefore. In addition, the sub-pixels SP 11  and SP 12  are shifted downwards the vertical displacement V 1  and are located at the adjacent i+1 and i+2 rows. Via the abovementioned arrangement of the sub-pixels SP 7 -SP 12 , the sub-pixel group SPG 2  is corresponding to two pixels and the aperture ratio of the display device  40  is accordingly increased. The colors and the length-width relationships of the sub-pixels SP 7 -SP 12  in the sub-pixel group SPG 2  can be referred to those of the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1 , and are not narrated herein for brevity. 
         [0059]    In the sub-pixel group SPG 2  shown in  FIG. 5 , the rows of the sub-pixel SP 8  partially overlap those of the sub-pixel SP 7 ; the rows of the sub-pixels SP 9 , SP 10  overlap those of the sub-pixels SP 7 ; and the rows of the sub-pixel SP 11  overlap those of the sub-pixels SP 7 . According to different applications and design concepts, the arrangement relationships between the sub-pixels SP 7 -SP 12  may be appropriated modified. For example, the sub-pixels SP 11 , SP 12  may change to be shifted upwards, such that only the rows of the sub-pixel SP 12  overlap those of the sub-pixel SP 7 . Similarly, the sub-pixels SP 9 , SP 10  may be shifted vertically. In other words, the rows of at least one of the sub-pixels located at the same column in the sub-pixel group SPG 2  overlaps those of the sub-pixel SP 7 . 
         [0060]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 1  located at the adjacent rows in the display device  20  shown in  FIG. 2 . Please refer to  FIG. 6 , which is a schematic diagram of a display device  60  according to an example of the present invention. The display device  60  is similar to the display device  20  shown in  FIG. 2 , thus the components and the signals with the same functions use the same symbols. Different from the display device  20 , a horizontal displacement W 1  exists between the sub-pixel groups SPG 1  configured at the adjacent rows (e.g. the sub-pixel groups SPG 1  located at the i row and the i+1 row and those located at the i+2 row and the i+3 row). In this example, the horizontal displacement W 1  is half of the width of the sub-pixel group SPG 1 . As a result, the display device  60  equipping different sub-pixel arrangement can be realized by the sub-pixel group SPG 1 . In addition, the sub-pixel group SPG 3  shown in  FIG. 6  also can be regarded as the repeated sub-pixel group in this example. In other words, the display device  60  shown in  FIG. 6  can be acquired by repeatedly arranging the sub-pixel group SPG 3 . 
         [0061]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 1  located at adjacent rows and a vertical displacement may exist between sub-pixels SP 1 -SP 6  of the sub-pixel group SPG 1  in the display device  20  shown in  FIG. 2 . That is, a horizontal displacement may exist between the sub-pixel groups SPG 2  located at adjacent rows in the display device  40  shown in  FIG. 4 . Please refer to  FIG. 7 , which is a schematic diagram of a display device  70  according to an example of the present invention. The display device  70  is similar to the display device  40  shown in  FIG. 4 , thus the components and the signal with the similar functions use the same symbols. Different from the display device  40 , a horizontal displacement W 2  exists between the sub-pixel groups SPG 2  located at adjacent rows (e.g. the sub-pixel groups SPG 2  located at the i−i+2 rows and the i+1−i+3 rows). In this example, the horizontal displacement W 2  is half of the width of the sub-pixel group SPG 2 . In such a condition, the sub-pixel group SPG 4  shown in  FIG. 7  also can be regarded as the repeated sub-pixel group. That is, the display device  70  shown in  FIG. 7  can be acquired by repeatedly arranging the sub-pixel group SPG 4 . 
         [0062]    In an example, the sizes of the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1  shown in  FIG. 3  may be appropriately modified. Please refer to  FIG. 8 , which is a schematic diagram of a display device  80  according to an example of the present invention. The display device  80  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 8  only shows parts of sub-pixels of the display device  80  for illustrations. Note that,  FIG. 8  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 8 , the display device  80  comprises a plurality of repeatedly arranged sub-pixel groups SPG 5  (only one sub-pixel group SPG 5  is labeled in  FIG. 8  for illustrations). In order to simplify the descriptions, please refer to  FIG. 9  which is a schematic diagram of the sub-pixel group SPG 5  shown in  FIG. 8 . Similar to the sub-pixel group SPG 1  shown in  FIG. 3 , a height L 4  of the sub-pixel SP 13  is greater than a height L 5  of the sub-pixels SP 15 , SP 17  and the height L 13  is also greater than a height L 6  of the sub-pixels SP 16 , SP 18 . The height L 4  is different from or equal to a sum of the height L 5  of the sub-pixels SP 15 , SP 17  and the height L 6  of the sub-pixels SP 16 , SP 18 . However, the height L 5  changes to be greater than the height L 6  in the sub-pixel group SPG 5 . The colors and the relationships corresponding to the pixels of the sub-pixels SP 13 -SP 18  in the sub-pixel group SPG 5  can be referred to those of the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1 , and are not narrated herein for brevity. 
         [0063]    Please refer to  FIG. 10 , which is a schematic diagram of a display device  100  according to an example of the present invention. The display device  100  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 10  only shows parts of sub-pixels of the display device  100  for illustrations. Note that,  FIG. 10  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 10 , the display device  100  comprises a plurality of repeatedly arranged sub-pixel groups SPG 6  (only one sub-pixel group SPG 6  is labeled in  FIG. 10  for illustrations). In order to simplify the descriptions, please refer to  FIG. 11  which is a schematic diagram of the sub-pixel group SPG 6  shown in  FIG. 10 . In  FIG. 11 , the sub-pixel group SPG 6  comprises the sub-pixels SP 19 -SP 24 , wherein the sub-pixels SP 21 , SP 22  have different heights and the sub-pixels SP 23 , SP 24  have different heights. Similar to the sub-pixel group SPG 5  shown in  FIG. 9 , a height L 7  of the sub-pixels SP 19 , SP 20  is greater than a height L 8  of the sub-pixels SP 21 , a height L 9  of the sub-pixel SP 22 , a height L 10  of the sub-pixel SP 23  and a height L 11  of the sub-pixel SP 24 . The height L 7  is different from or equal to the sum of the height L 8  of the sub-pixel SP 21  and the height L 9  of the sub-pixel SP 22  and the height L 8  is different from the height L 9 . The height L 7  is also greater than or equal to and the sum of the height L 10  of the sub-pixel SP 23  and the height L 11  of the sub-pixel SP 24  and the height L 10  is different from the height L 11 . Note that, the height L 10  changes to be greater than the height L 11  in the sub-pixel group SP 6 . The colors and the relationships corresponding to the pixels of the sub-pixels SP 19 -SP 24  in the sub-pixel group SPG 6  can be referred to those of the sub-pixels SP 1 -SP 6  in the sub-pixel group SPG 1 , and are not narrated herein for brevity. 
         [0064]    In an example, the color arrangement of the sub-pixel groups SPG 1  located at the adjacent rows in the display device  20  shown in  FIG. 2  may be different. Please refer to  FIG. 12 , which is a schematic diagram of a display device  120  according to an example of the present invention. The display device  120  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 12  only shows parts of sub-pixels of the display device  120  for illustrations. Note that,  FIG. 12  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. The display device  120  is similar to the display device  60  shown in  FIG. 6 , thus the components and the signals with the similar functions use the same symbols. In comparison with the display device  60 , the sub-pixel groups SPG 1  located at adjacent rows in the display device  120  equip different color arrangements. In this example, the sub-pixels SP 1 -SP 6  of the sub-pixel groups SPG 1  at the i and i+1 rows are corresponding to blue, green, white, red, white and green, respectively, and the sub-pixels SP 1 -SP 6  of the sub-pixel groups SPG 1  at the i+2 and i+3 rows are corresponding to green, blue, white, green, white and red, respectively. 
         [0065]    Note that, the horizontal displacements may exist between sub-pixels (e.g. the display device  40  shown in  FIG. 4 ) of the display device  80  shown in  FIG. 8 , the display device  100  shown in  FIG. 10  and the display device  120  shown in  FIG. 12 . In addition, the horizontal displacements may exist between sub-pixel groups located at adjacent rows (e.g. the display device  60  shown in  FIG. 6 ) in the display device  80  shown in  FIG. 8 , the display device  100  shown in  FIG. 10  and the display device  120  shown in  FIG. 12 . Furthermore, the size of each sub-pixel and/or the color arrangement in the sub-pixel groups located at adjacent rows in the display device may be different. For example, the sub-pixel groups located at adjacent rows in the display device may be the sub-pixel group SPG 1  shown in  FIG. 3  and the sub-pixel group SPG 5  shown in  FIG. 9 , respectively. According to different applications and design concepts, those with ordinary skill in the art may observe appropriate alternations and modifications. 
         [0066]    The driving module (e.g. a driving integrated circuit (IC)) of the display device may need to be appropriately altered according to the sub-pixel arrangement of the above examples. Please jointly refer to  FIG. 6  and  FIG. 13 , wherein  FIG. 13  is a schematic diagram of a circuitry layout of the display device  60  shown in  FIG. 6 . As shown in  FIG. 13 , the display device  60  comprises a driving module DRI and a plurality of sub-pixel groups SPG 1 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  60  to display images. Note that,  FIG. 13  only shows the data line DLn-DLn+16, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 1  for illustrations. In the sub-pixel group SPG 1  at the left-top corner, the sub-pixel SP 1  is coupled to the data line DLn and the scan line SLm+1; the sub-pixel SP 2  is coupled to the data line DLn+2 and the scan line SLm+1; the sub-pixel SP 3  is coupled to the data line DLn+4 and the scan line SLm; the sub-pixel SP 4  is coupled to the data line DLn+3 and the scan line SLm+1; the sub-pixel SP 5  is coupled to the data line DLn+4 and the scan line SLm; and the sub-pixel SP 6  is coupled to the data line DLn+5 and the scan line SLm+1. The relationships between the sub-pixels SP 1 -SP 6  of rest sub-pixel groups SPG 1  and the data lines DLn-DLn+16/scan lines SLm-SLm+4 in  FIG. 13  can be referred to the abovementioned sub-pixel group SPG 1  at left-top corner. In brief, the sub-pixels SP 1 , SP 2 , SP 4 , SP 6  of the sub-pixel group SPG 1  are coupled to the same scan line (e.g. the scan line SLm+1) and the sub-pixels SP 3 , SP 5  of the sub-pixel group SPG 1  is coupled to an adjacent scan line (e.g. the scan line SLm), and the sub-pixels SP 1 -SP 6  are respectively coupled to the closest data lines, wherein a data line (e.g. the data line DLn+1) exists between the sub-pixels SP 1  and SP 2  and is coupled to the sub-pixels SP 3  and SP 5  of the sub-pixel groups SPG 1  of adjacent rows. Since the sub-pixels SP 3  and SP 5  are corresponding to the same colors, the sub-pixels SP 3  and SP 5  is coupled to the same data line in this example. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 13 , the number of data lines in the display device  60  realized by repeatedly configuring the sub-pixel group SPG 1  can be reduced and the layout space in the display device  60  is therefore increased. 
         [0067]    Please jointly refer to  FIG. 6  and  FIG. 14 , wherein  FIG. 14  is a schematic diagram of a circuitry layout of the display device  60  shown in  FIG. 6 . As shown in  FIG. 14 , the display device  60  comprises a driving module DRI and a plurality of sub-pixel groups SPG 1 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively. Note that,  FIG. 14  only shows the data line DLn-DLn+16, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 1  for illustrations. In the sub-pixel group SPG 1  at the left-top corner, the sub-pixel SP 1  is coupled to the data line DLn and the scan line SLm+1; the sub-pixel SP 2  is coupled to the data line DLn+3 and the scan line SLm+1; the sub-pixel SP 3  is coupled to the data line DLn+4 and the scan line SLm; the sub-pixel SP 4  is coupled to the data line DLn+4 and the scan line SLm+1; the sub-pixel SP 5  is coupled to the data line DLn+5 and the scan line SLm; and the sub-pixel SP 6  is coupled to the data line DLn+5 and the scan line SLm+1. The relationships between the sub-pixels SP 1 -SP 6  of rest of sub-pixel groups SPG 1  and the data lines DLn-DLn+16/scan lines SLm-SLm+4 in  FIG. 14  can be referred to the abovementioned sub-pixel group SPG 1  at left-top corner. In brief, the sub-pixels SP 1 , SP 2 , SP 4 , SP 6  of the sub-pixel group SPG 1  are coupled to the same scan line (e.g. the scan line SLm+1) and the sub-pixels SP 3 , SP 5  of the sub-pixel group SPG 1  is coupled to an adjacent scan line (e.g. the scan line SLm). Different from  FIG. 13 , the sub-pixels SP 3  and SP 5  change to be coupled to different data lines, the sub-pixels SP 3  and SP 4  change to be coupled to the same data line, and the sub-pixels SP 5  and SP 6  change to be coupled to the same data line in this example. Note that, 2 data lines (e.g. the data lines DLn+1 and DLn+2) exist between the sub-pixels SP 1  and SP 2  and are respectively coupled to the sub-pixels SP 3 , SP 4  and the sub-pixels SP 5 , SP 6  of the sub-pixel groups SPG 1  at adjacent rows. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 14 , the number of data lines in the display device  60  realized by repeatedly configuring the sub-pixel group SPG 1  can be reduced and the layout space in the display device  60  is therefore increased. 
         [0068]    Please refer to  FIG. 15 , which is a schematic diagram of a display device  150  according to an example of the present invention. The display device  150  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet.  FIG. 15  only shows parts of sub-pixels of the display device  150  for illustrations. Note that,  FIG. 15  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 15 , the display device  150  comprises a plurality of repeated sub-pixel groups SPG 7  (only one sub-pixel group SPG 7  is labeled in  FIG. 15  for illustrations). In order to simplify the descriptions, please refer to  FIG. 16  which is a schematic diagram of the sub-pixel group SPG 7  shown in  FIG. 15 . In  FIG. 16 , the sub-pixel group SPG 7  comprises sub-pixels SP 25 -SP 31 . The sub-pixel SP 25  is located at the j column, the i row and the i+1 row; the sub-pixel SP 26  is located at the j+1 column and the i row; the sub-pixel SP 27  is located at the j+1 column and the i+1 row; the sub-pixel SP 28  is located at the j+2 column and the i row; the sub-pixel SP 29  is located at the j+2 column and the i+1 row; the sub-pixel SP 30  is located at the j+3 column and the i row; and the sub-pixel SP 31  is located at the j+3 column and the i+1 row. The sub-pixels SP 26  and SP 27  may have different or the same height, the sub-pixels SP 28  and SP 29  may have different or the same height, and the sub-pixels SP 30  and SP 31  may also have different or the same height. According to the sub-pixel arrangement shown in  FIG. 16 , the sub-pixel group SPG 7  is corresponding to 2 pixels. That is, a number of the sub-pixels form a pixel is reduced. The aperture ratio of display device  150  is increased. 
         [0069]    In details, the height of the sub-pixel SP 25  is a height L 12 , the sub-pixels SP 26 , SP 28 , SP 30  may have a same height L 13 , and the sub-pixels SP 27 , SP 29 , SP 31  may have a same height L 14 . The height L 12  is greater than the heights L 13 , L 14 , the height L 13  is different form or equal to the height L 14  and the height L 12  is different from or equal to a sum of the heights L 13  and L 14 . In this example, the height L 14  is greater than the height L 13 . In other words, the rows of the sub-pixels SP 26 -SP 31  overlap those of the sub-pixel SP 25 . 
         [0070]    In this example, the sub-pixels SP 25 -SP 31  are corresponding to blue, white, green, white, red, white and green, respectively. Via adding the sub-pixels SP 26 , SP 28 , SP 30  corresponding to white, the brightness of the display device  150  is increased and the power consumption of the display device  150  is decreased. According to different applications and design concepts, the colors corresponding to the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7  may be altered and is not limited to those shown in  FIG. 16 . For example, the sub-pixels SP 25 -SP 31  may be altered to be corresponding to green, white, red, white, green, white and blue. In this example, the sub-pixels SP 25  and SP 29  corresponding to green have different areas. In another example, the sub-pixels SP 26 , SP 28  and SP 30  may be changed to be corresponding to other color different from red, blue and green (e.g. yellow). In still another example, the sub-pixels SP 25 -SP 31  may be corresponding to more than 4 colors. That is, the sun-pixels SP 25 -SP 31  in the sub-pixel group SPG 7  are corresponding to at least four colors. 
         [0071]    As to the relationships between pixels and the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7  please refer to the followings. As shown in  FIG. 16 , the sub-pixels SP 25 -SP 27  are corresponding to a pixel and the sub-pixels SP 28 -SP 31  are corresponding to another pixel. If the problem of lacking colors occurs when the sub-pixels SP 25 -SP 27  or the sub-pixels SP 28 -SP 31  display the corresponding pixel, the display device  150  may adopt the algorithm (e.g. the sub-pixel rendering algorithm) to borrow colors from adjacent sub-pixels, so as to completely display the corresponded pixel. In the sub-pixel group SPG 7 , 7 sub-pixels form 2 pixels and the average number of the sub-pixels corresponding to a pixel is decreased to 3.5. When the resolution of the display device  150  remains constant, the number of the sub-pixels utilized for realizing the display device  150  would be reduced and the aperture ratio of the display device  150  would be accordingly increased. 
         [0072]    In an example, a vertical displacement may exist between the sub-pixels of the display device  150  shown in  FIG. 15 . Please refer to  FIG. 17 , which is a schematic diagram of a display device  170  according to an example of the present invention. The display device  170  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet.  FIG. 17  only shows parts of sub-pixels of the display device  170  for illustrations. Note that,  FIG. 17  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 17 , the display device  170  comprises a plurality of repeated sub-pixel groups SPG 8  (only one sub-pixel group SPG 8  is marked in  FIG. 17  for illustrations). In order to simplify the descriptions, please refer to  FIG. 18  which is a schematic diagram of the sub-pixel group SPG 8  shown in  FIG. 17 . In  FIG. 18 , the sub-pixel group SPG 8  comprises sub-pixels SP 32 -SP 38 , and the arrangement of the sub-pixels SP 32 -SP 38  is similar to that of the sub-pixels SP 25 -SP 31  of the sub-pixel group SPG 7 . In comparison with the sub-pixel group SPG 7  shown in  FIG. 16 , the sub-pixels SP 33 , SP 34  at the j+1 column and the sub-pixels SP 37 , SP 38  at the j+3 column are shifted upwards a vertical displacement V 2 . According to the sub-pixel arrangement shown in  FIG. 18 , the sub-pixel group SPG 8  is corresponding to 2 pixels. The number of the sub-pixels forming a pixel is decreased and the aperture ratio of display device  170  is increased therefore. The colors and the length-width relationships between the sub-pixels SP 32 -SP 38  of the sub-pixel group SPG 8  can be referred to those of the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7 , and are not narrated herein for brevity. 
         [0073]    In the sub-pixel group SPG 8  shown in  FIG. 18 , the rows of the sub-pixel SP 34  overlap those of the sub-pixel SP 32 , the rows of the sub-pixels SP 35 , SP 36  overlap of those of the sub-pixel SP 32 , and the rows of the sub-pixel SP 38  overlap of those of the sub-pixel SP 32 . According to different applications and design concepts, the arrangement of the sub-pixels SP 32 -SP 38  may be appropriately altered. For example, the sub-pixels SP 37 , SP 38  may change to be shifted downwards, such that only the rows of the sub-pixel SP 37  overlap those of the sub-pixel SP 32 . Similarly, the sub-pixels SP 35  and SP 36  may be shifted vertically such that rows of at least one of the sub-pixels SP 35  and SP 36  overlap those of the sub-pixel SP 32 . In other words, the rows of at least one of the sub-pixels located at the same column in the sub-pixel group SPG 8  overlap the rows of the sub-pixel SP 32 . 
         [0074]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 7  located at the adjacent rows in the display device  150  shown in  FIG. 15 . Please refer to  FIG. 19 , which is a schematic diagram of a display device  190  according to an example of the present invention. The display device  190  is similar to the display device  150  shown in  FIG. 15 , thus the components and the signals with the same functions use the same symbols. Different from the display device  150 , a horizontal displacement W 3  exists between the sub-pixel groups SPG 7  located at the adjacent rows (e.g. the sub-pixel groups SPG 7  located at the i, i+1 rows and those located at the i+2, i+3 rows). In this example, the horizontal displacement W 3  is half of the width of the sub-pixel group SPG 7 . As a result, the display device  190  equipping different sub-pixel arrangement can be realized by the sub-pixel group SPG 7 . In addition, a sub-pixel group SPG 9  shown in  FIG. 19  can be regarded as a repeated sub-pixel group. In other words, the display device  190  shown in  FIG. 19  can be realized by repeatedly configuring the sub-pixel group SPG 9 . 
         [0075]    Please refer to  FIG. 20 , which is a schematic diagram of a display device  200  according to an example of the present invention. The display device  200  is similar to the display device  150  shown in  FIG. 15 , thus the components and the signals with the same functions use the same symbols. Different from the display device  150 , a horizontal displacement W 4  exists between the sub-pixel groups SPG 7  located at the adjacent rows (e.g. the sub-pixel groups SPG 7  located at the i, i+1 rows and those located at the i+2, i+3 rows). In this example, the horizontal displacement W 4  is three-fourths of the width of the sub-pixel group SPG 7 . As a result, the display device  200  equipping different sub-pixel arrangement can be realized by the sub-pixel group SPG 7 . In addition, a sub-pixel group SPG 10  shown in  FIG. 20  can be regarded as a repeated sub-pixel group. In other words, the display device  200  shown in  FIG. 20  can be realized by repeatedly configuring the sub-pixel group SPG 10 . 
         [0076]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 7  located at the adjacent rows and a vertical displacement may exist between sub-pixels in the display device  150  shown in  FIG. 15 . In other words, a horizontal displacement may exist between the sub-pixel groups SPG 8  at adjacent rows in the display device  170  shown in  FIG. 17 . Please refer to  FIG. 21 , which is a schematic diagram of a display device  210  according to an example of the present invention. The display device  210  is similar to the display device  170  shown in  FIG. 17 , thus the components and the signals with the same functions use the same symbols. Different from the display device  170 , a horizontal displacement W 5  exist between the sub-pixel groups SPG 8  at adjacent rows (e.g. the sub-pixel groups SPG 8  located at the i, i+1 rows and those located at the i+2, i+3 rows). In this example, the horizontal displacement W 5  is half of the width of the sub-pixel group SPG 8 . In addition, a sub-pixel group SPG 11  shown in  FIG. 21  can be regarded as a repeated sub-pixel group. That is, the display device  210  shown in  FIG. 21  can be realized by repeatedly configuring the sub-pixel group SPG 11 . 
         [0077]    In an example, the sizes of the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7  shown in  FIG. 16  may be appropriately modified. Please refer to  FIG. 22 , which is a schematic diagram of a display device  220  according to an example of the present invention. The display device  220  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 22  only shows parts of sub-pixels of the display device  220  for illustrations. Note that,  FIG. 22  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 22 , the display device  220  comprises a plurality of repeatedly arranged sub-pixel groups SPG 12  (only one sub-pixel group SPG 12  is labeled in  FIG. 22  for illustrations). In order to simplify the descriptions, please refer to  FIG. 23  which is a schematic diagram of the sub-pixel group SPG 12  shown in  FIG. 22 . In  FIG. 23 , the sub-pixel group SPG 12  comprises sub-pixels SP 39 -SP 45 , wherein the arrangement of the sub-pixels SP 39 -SP 45  is similar to that of the sub-pixel group SPG 7  shown in  FIG. 16 . A height L 15  of the sub-pixel  39  is different from or equal to the sum of the heights of the sub-pixels at the same column (e.g. the sum of a height L 16  of the sub-pixel SP 40  and a height L 17  of the sub-pixel SP 41  and the sum of a height L 18  of the sub-pixels SP 42 , SP 44  and a height L 19  of the sub-pixels SP 43 , SP 45 ) and is greater than the heights L 16 -L 19 . In comparison with the sub-pixel group SPG 7  shown in  FIG. 16 , the height L 18  of the sub-pixels SP 42 , SP 44  changes to be greater than the height L 19  of the sub-pixels SP 43 , SP 45 . Via the abovementioned arrangement of the sub-pixels SP 39 -SP 45 , the sub-pixel group SPG 12  is corresponding to 2 pixels. That is, the number of the sub-pixels required by a pixel is decreased and the aperture ratio of the display device  220  is accordingly increased. The colors and the length-width relationships between the sub-pixels SP 39 -SP 45  of the sub-pixel group SPG 12  can be referred to those of the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7 , and are not narrated herein for brevity. 
         [0078]    According to different applications and design concepts, the sizes of the sub-pixels SP 25 -SP 31  in the sub-pixel group SPG 7  shown in  FIG. 16  may be appropriately modified and are not limited by those of the sub-pixel group SPG 12  shown in  FIG. 22 . Please back to  FIG. 16 , the designer may modify the height of the sub-pixel SP 28  to be greater than that of the sub-pixel SP 29  in an example. In another example, the designer may modify the height of the sub-pixel SP 26  to be greater than that of the sub-pixel SP 27 . In still another example, the designer may modify the heights of the sub-pixels SP 26 , SP 28 , SP 30  to be greater than those of the sub-pixels SP 27 , SP 29 , SP 31 . 
         [0079]    Note that, the vertical displacement may exist between sub-pixels of the display device  220  shown in  FIG. 22  (e.g. the display device  170  shown in  FIG. 17 ). In addition, the horizontal displacement may exist between sub-pixel groups at adjacent rows of the display device  220  shown in  FIG. 22  (e.g. the display device  190  shown in  FIG. 19 ). Moreover, the size of each sub-pixel and/or the color arrangement in the sub-pixel groups at adjacent rows in the display device may be different. According to different application and design concepts, those with ordinary skill in the art may observe appropriate alternations and modifications. 
         [0080]    The driving module (e.g. a driving IC) of the display device may need to be appropriately altered according to the sub-pixel arrangement of the above examples. Please jointly refer to  FIG. 19  and  FIG. 24 , wherein  FIG. 24  is a schematic diagram of a circuitry layout of the display device  190  shown in  FIG. 19 . As shown in  FIG. 24 , the display device  190  comprises a driving module DRI and a plurality of sub-pixel groups SPG 7 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  190  to display images. Note that,  FIG. 24  only shows the data line DLn-DLn+16, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 7  for illustrations. In the sub-pixel group SPG 7  at the left-top corner, the sub-pixel SP 25  is coupled to the data line DLn and the scan line SLm+1; the sub-pixel SP 26  is coupled to the data line DLn+1 and the scan line SLm; the sub-pixel SP 27  is coupled to the data line DLn+2 and the scan line SLm+1; the sub-pixel SP 28  is coupled to the data line DLn+4 and the scan line SLm; the sub-pixel SP 29  is coupled to the data line DLn+3 and the scan line SLm+1; the sub-pixel SP 30  is coupled to the data line DLn+4 and the scan line SLm; and the sub-pixel SP 31  is coupled to the data line DLn+5 and the scan line SLm+1. The relationships between the sub-pixels SP 25 -SP 31  of rest sub-pixel groups SPG 7  and the data lines DLn-DLn+16/scan lines SLm-SLm+4 in  FIG. 24  can be referred to the abovementioned sub-pixel group SPG 7  at left-top corner. In brief, the sub-pixels SP 25 , SP 27 , SP 29 , SP 31  of the sub-pixel group SPG 7  are coupled to the same scan line (e.g. the scan line SLm+1), the sub-pixels SP 26 , SP 28 , SP 30  of the sub-pixel group SPG 7  is coupled to an adjacent scan line (e.g. the scan line SLm), and the sub-pixels SP 25 -SP 31  are respectively coupled to the closest data lines, wherein the sub-pixels SP 28  and SP 30  are coupled to the same data line since the sub-pixels SP 28  and SP 30  are corresponding to the same color. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 24 , the number of data lines in the display device  190  realized by repeatedly configuring the sub-pixel group SPG 7  can be reduced and the layout space in the display device  190  is therefore increased. 
         [0081]    Please jointly refer to  FIG. 19  and  FIG. 25 , wherein  FIG. 25  is a schematic diagram of a circuitry layout of the display device  190  shown in  FIG. 19 . As shown in  FIG. 25 , the display device  190  comprises a driving module DRI and a plurality of sub-pixel groups SPG 7 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  190  to display images. Note that,  FIG. 25  only shows the data line DLn-DLn+17, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 7  for illustrations. In the sub-pixel group SPG 7  at the left-top corner, the sub-pixels SP 25 , SP 27 , SP 29 , SP 31  are coupled to the scan line SLm+1, the sub-pixels SP 26 , SP 28 , SP 30  are coupled to the scan line SLm, and the sub-pixels SP 25 -SP 31  are coupled to the data line DLn, DLn+2, DLn+3, DLn+4, DLn+4, DLn+5, DLn+6, respectively. Although the sub-pixels SP 28  and SP 30  are corresponding to the same color, the sub-pixels SP 28 , SP 30  are respectively coupled to the data lines DLn+4 and DLn+5 in this example. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 25 , the number of data lines in the display device  190  realized by repeatedly configuring the sub-pixel group SPG 7  can be reduced and the layout space in the display device  190  is therefore increased. 
         [0082]    Note that, the relationships between each of the sub-pixels SP 25 -SP 31  and data lines DL 1 -DLx in the sub-pixels group SPG 7  at adjacent rows are different in  FIG. 25 . For example, in another sub-pixel group SPG 7  under the sub-pixel group SPG 7  at the left-top corner, the sub-pixels SP 28 , SP 29  are coupled to different data lines (i.e. the data lines DLn+1 and DLn), and the data line coupled to the sub-pixel SP 31  is in front of that coupled to the sub-pixel SP 30 . 
         [0083]    Please refer to  FIG. 26 , which is a schematic diagram of a display device  260  according to an example of the present invention. The display device  260  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 26  only shows parts of sub-pixels of the display device  260  for illustrations. Note that,  FIG. 26  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 26 , the display device  260  comprises a plurality of repeatedly arranged sub-pixel groups SPG 13  (only one sub-pixel group SPG 13  is marked in  FIG. 26  for illustrations). In order to simplify the descriptions, please refer to  FIG. 27  which is a schematic diagram of the sub-pixel group SPG 13  shown in  FIG. 26 . In  FIG. 27 , the sub-pixel group SPG 13  comprises sub-pixels SP 46 -SP 57 . The sub-pixel SP 46  is configured at the j column, the i row and the i+1 row; the sub-pixel SP 47  is configured at the j+1 column, the i row and the i+1 row; the sub-pixel SP 48  is configured at the j+2 column and the i row; the sub-pixel SP 49  is configured at the j+2 column and the i+1 row; the sub-pixel SP 50  is configured at the j+3 column and the i row; the sub-pixel SP 51  is configured at the j+3 column and the i+1 row; the sub-pixel SP 52  is configured at the j+4 column and the i row; the sub-pixel SP 53  is configured at the j+4 column and the i+1 row; the sub-pixel SP 54  is configured at the j+5 column, the i row and the i+1 row; the sub-pixel SP 55  is configured at the j+6 column, the i row and the i+1 row; the sub-pixel SP 56  is configured at the j+7 column and the i row; and the sub-pixel SP 57  is configured at the j+7 column and the i+1 row. The sub-pixels SP 48  and SP 49  may equip different or the same height, the sub-pixels SP 50  and SP 51  may equip different or the same height, the sub-pixels SP 52  and SP 53  may equip different or the same height, and the sub-pixels SP 56  and SP 57  may equip different or the same height. Via the abovementioned arrangement of the sub-pixels SP 46 -SP 57 , the sub-pixel group SPG 13  is corresponding to 4 pixels. That is, the number of the sub-pixels corresponding to single pixel is reduced and the aperture ratio of display device  260  is therefore increased. 
         [0084]    In detail, the sub-pixels SP 46 , SP 47 , SP 54  and SP 55  may have a same height L 20 , the sub-pixels SP 48 , SP 50 , SP 52  and SP 56  may have a same height L 21  and the sub-pixels SP 49 , SP 51 , SP 53 , and SP 57  may have a same height L 22 . The height L 22  is greater than or equal to the height L 21 , the height L 20  is greater than the heights L 21  and L 22 , and the height L 20  is different from or equal to the sum of the heights L 21  and L 22 . That is, the rows of the sub-pixels SP 48 -SP 53 , SP 56  and SP 57  overlap those of the sub-pixel SP 46 . 
         [0085]    In this example, the sub-pixels SP 46 -SP 57  are corresponding to red, green, white, blue, white, green, white, red, green, blue, white and green. Via adding the sub-pixels SP 48 , SP 50 , SP 52  and SP 56  corresponding to white, the brightness of the display device  260  is increased and the power consumption of the display device  260  is decreased. According to different applications and design concepts, the colors corresponding to the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13  may be changed and are not limited by those shown in  FIG. 27 . In an example, the sub-pixels SP 46 -SP 57  may change to be corresponding to green, red, white, green, white, blue, white, green, red, green, white and blue. In the above examples, the sub-pixels corresponding to green in the sub-pixel group SPG 13  are not adjacent to each other. In another example, the sub-pixels SP 48 , SP 50 , SP 52  and SP 56  may be altered to be corresponding to other color different from red, blue and green (e.g. yellow). In still another example, the sub-pixels SP 46 -SP 57  are corresponding to more than 4 colors. That is, the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13  are corresponding to at least 4 colors. 
         [0086]    As to the relationships between the pixels and the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13  please refer to the followings. As shown in  FIG. 27 , the sub-pixels SP 46 , SP 47 , the sub-pixels SP 48 -SP 51 , the sub-pixels SP 52 -SP 54  and the sub-pixels SP 55 -SP 57  are respectively corresponding to 4 pixels. If the problem of lacking colors occurs when the sub-pixels SP 46 , SP 47 , the sub-pixels SP 48 -SP 51 , the sub-pixels SP 52 -SP 54  and/or the sub-pixels SP 55 -SP 57  displays the corresponded pixel, the display device  260  may borrow the colors from surrounding pixels via adopting an algorithm (e.g. sub-pixel rendering algorithm), for displaying the corresponded pixel completely. In the sub-pixel group SPG 13 , 12 sub-pixels are corresponding to 4 pixels. The number of sub-pixels required by each pixel is decreased to 3. When the resolution of the display device  260  remains the same, the number of the sub-pixels utilized for realizing the display device  260  is reduced and the aperture ratio of the display device  260  is accordingly increased. 
         [0087]    In an example, a vertical displacement may exist between the sub-pixels of the display device  260  shown in  FIG. 26 . Please refer to  FIG. 28 , which is a schematic diagram of a display device  280  according to an example of the present invention. The display device  280  may be an electronic product with a liquid crystal panel, such as a television, a smart phone or a tablet, and is not limited herein.  FIG. 28  only shows parts of sub-pixels of the display device  280  for illustrations. Note that,  FIG. 28  is utilized for illustrating the relative positions of the sub-pixels and not for limiting the ratio between length and width. As shown in  FIG. 28 , the display device  280  comprises a plurality of repeatedly arranged sub-pixel groups SPG 14  (only one sub-pixel group SPG 14  is marked in  FIG. 28  for illustrations). In order to simplify the descriptions, please refer to  FIG. 29  which is a schematic diagram of the sub-pixel group SPG 14  shown in  FIG. 28 . In  FIG. 29 , the sub-pixel group SPG 14  comprises sub-pixels SP 58 -SP 69  and the arrangement of the sub-pixels SP 58 -SP 69  is similar to that of the sub-pixels SP 46 -SP 57  of the sub-pixel group SPG 13 . In comparison with the sub-pixel group SPG 13  shown in  FIG. 27 , the sub-pixels SP 59  at the j+1 column, the sub-pixels SP 62 , SP 63  at the j+3 column, the sub-pixel SP 66  at the j+5 column and the sub-pixel SP 68 , SP 69  at the j+7 column are shifted downwards a vertical displacement V 3 . Via the abovementioned arrangement of the sub-pixels SP 58 -SP 69 , the sub-pixel group SPG 14  is corresponding to 4 pixels and the aperture ratio of the display device  280  is accordingly increased. The colors and the length-width relationships between the sub-pixels SP 58 -SP 69  of the sub-pixel group SPG 14  can be referred to those of the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13 , and are not narrated herein for brevity. 
         [0088]    In the sub-pixel group SPG 14  shown in  FIG. 29 , the rows of the sub-pixels SP 59  and SP 66  partially overlap those of the sub-pixel SP 58 ; and the rows of the sub-pixels SP 60 -SP 62 , SP 64 , SP 65 , SP 67  overlap those of the sub-pixels SP 58 . According to different applications and design concepts, the arrangement relationships between the sub-pixels SP 58 -SP 69  may be appropriated modified. For example, the sub-pixels SP 62 , SP 63  may change to be shifted upwards, such that only the rows of the sub-pixel SP 63  overlap those of the sub-pixel SP 58 . Similarly, the sub-pixels SP 60 , SP 61  may be shifted vertically, such that the rows of at least one of the sub-pixels SP 60  and SP 61  overlap those of the sub-pixel SP 58 . In other words, the rows of at least one of the sub-pixels located at the same column overlap those of the sub-pixel SP 58  in the sub-pixel group SPG 14 . 
         [0089]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 13  located at the adjacent rows in the display device  260  shown in  FIG. 26 . Please refer to  FIG. 30 , which is a schematic diagram of a display device  300  according to an example of the present invention. The display device  300  is similar to the display device  260  shown in  FIG. 26 , thus the components and the signals with the same functions use the same symbols. Different from the display device  260 , a horizontal displacement WE exists between the sub-pixel groups SPG 13  configured at the adjacent rows (e.g. the sub-pixel groups SPG 13  located at the i row and the i+1 row and those located at the i+2 row and the i+3 row). In this example, the horizontal displacement WE is half of the one-fourth of the sub-pixel group SPG 13 . As a result, the display device  300  equipping different sub-pixel arrangement can be realized by the sub-pixel group SPG 13 . In addition, the sub-pixel group SPG 15  shown in  FIG. 30  also can be regarded as the repeated sub-pixel group in this example. In other words, the display device  300  shown in  FIG. 30  can be acquired by repeatedly arranging the sub-pixel group SPG 15 . 
         [0090]    In an example, a horizontal displacement may exist between the sub-pixel groups SPG 13  located at adjacent rows and a vertical displacement may exist between sub-pixels SP 46 -SP 57  of the sub-pixel group SPG 13  in the display device  260  shown in  FIG. 26 . That is, a horizontal displacement may exist between the sub-pixel groups SPG 14  located at adjacent rows in the display device  280  shown in  FIG. 28 . Please refer to  FIG. 31 , which is a schematic diagram of a display device  310  according to an example of the present invention. The display device  310  is similar to the display device  280  shown in  FIG. 28 , thus the components and the signal with the similar functions use the same symbols. Different from the display device  280 , a horizontal displacement W 7  exists between the sub-pixel groups SPG 14  located at adjacent rows (e.g. the sub-pixel groups SPG 14  located at the i−i+2 rows and the i+1−i+3 rows). In this example, the horizontal displacement W 7  is one-fourth of the width of the sub-pixel group SPG 14 . As a result, the display device  310  equipping different sub-pixel arrangement can be realized by the sub-pixel group SPG 14 . In addition, the sub-pixel group SPG 16  shown in  FIG. 31  also can be regarded as the repeated sub-pixel group. That is, the display device  310  shown in  FIG. 31  can be acquired by repeatedly arranging the sub-pixel group SPG 16 . 
         [0091]    In an example, the adjacent sub-pixels in the sub-pixel group SPG 13  shown in  FIG. 27  may be combined. Please refer to  FIG. 32 , which is a schematic diagram of a sub-pixel group SPG 17  according to an example of the present invention. In  FIG. 32 , the sub-pixel group SPG 17  comprises sub-pixels SP 70 -SP 80 , wherein the arrangement of the sub-pixels SP 70 -SP 80  is similar to that of the sub-pixel group SPG 13  shown in  FIG. 27 . In comparison with the sub-pixel group SPG 13  shown in  FIG. 27 , the sub-pixels SP 50  and SP 52  at the j+3 and j+4 columns are combined to be the sub-pixel SP 74 . Via the abovementioned arrangement of the sub-pixels SP 70 -SP 80 , the sub-pixel group SPG 17  is corresponding to 4 pixels. That is, the number of the sub-pixels corresponding to single pixel is reduced and the aperture ratio of display device is therefore increased. The colors and the length-width relationships of the sub-pixels SP 70 -SP 80  of the sub-pixel group SPG 17  can be referred to those of the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13 , and are not narrated herein for brevity. 
         [0092]    Please refer to  FIG. 33 , which is a schematic diagram of a sub-pixel group SPG 18  according to an example of the present invention. In  FIG. 33 , the sub-pixel group SPG 18  comprises sub-pixels SP 81 -SP 91 , wherein the arrangement of the sub-pixels SP 81 -SP 91  is similar to that of the sub-pixel group SPG 13  shown in  FIG. 27 . In comparison with the sub-pixel group SPG 13  shown in  FIG. 27 , the sub-pixels SP 48  and SP 50  at the j+2 and j+3 columns are combined to be the sub-pixel SP 83 . Via the abovementioned arrangement of the sub-pixels SP 70 -SP 80 , the sub-pixel group SPG 18  is corresponding to 4 pixels. That is, the number of the sub-pixels corresponding to single pixel is reduced and the aperture ratio of display device is therefore increased. The colors and the length-width relationships of the sub-pixels SP 81 -SP 91  of the sub-pixel group SPG 18  can be referred to those of the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13 , and are not narrated herein for brevity. 
         [0093]    Please refer to  FIG. 34 , which is a schematic diagram of a sub-pixel group SPG 19  according to an example of the present invention. In  FIG. 34 , the sub-pixel group SPG 19  comprises sub-pixels SP 92 -SP 102 , wherein the arrangement of the sub-pixels SP 92 -SP 102  is similar to that of the sub-pixel group SPG 13  shown in  FIG. 27 . In comparison with the sub-pixel group SPG 13  shown in  FIG. 27 , the sub-pixels SP 56  and SP 57  at the j+7 column are combined to be the sub-pixel SP 102 . Via the abovementioned arrangement of the sub-pixels SP 92 -SP 102 , the sub-pixel group SPG 19  is corresponding to 4 pixels. That is, the number of the sub-pixels corresponding to single pixel is reduced and the aperture ratio of display device is therefore increased. The colors and the length-width relationships of the sub-pixels SP 92 -SP 102  of the sub-pixel group SPG 19  can be referred to those of the sub-pixels SP 46 -SP 57  in the sub-pixel group SPG 13 , and are not narrated herein for brevity. 
         [0094]    According to different application and design concepts, the multiple sets of adjacent sub-pixels may be simultaneously combined. For example, the designer may combine the sub-pixels SP 48 , SP 50  (e.g. the sub-pixel group SPG 18 ) and the sub-pixels SP 56 , SP 57  (e.g. the sub-pixel group SPG 19 ) at the same time. Or, the designer may combine the sub-pixels SP 50 , SP 52  (e.g. the sub-pixel group SPG 17 ) and the sub-pixels SP 56 , SP 57  (e.g. the sub-pixel group SPG 19 ) at the same time. 
         [0095]    The driving module (e.g. a driving IC)) of the display device may need to be appropriately altered according to the sub-pixel arrangement of the above examples. Please jointly refer to  FIG. 35  and  FIG. 30 , wherein  FIG. 35  is a schematic diagram of a circuitry layout of the display device  300  shown in  FIG. 30 . As shown in  FIG. 35 , the display device  300  comprises a driving module DRI and a plurality of sub-pixel groups SPG 13 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  300  to display images. Note that,  FIG. 35  only shows the data line DLn-DLn+16, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 13  for illustrations. In the sub-pixel group SPG 13  at the left-top corner, the sub-pixels SP 46 -SP 48 , SP 50 , SP 52  and SP 56  are coupled to the scan line SLm and the sub-pixels SP 49 , SP 51 , SP 53 -SP 55 , and SP 57  are coupled to the scan line SLm+1. In addition, the sub-pixels SP 46 -SP 57  are coupled to the data lines DLn, DLn+1, DLn+3, DLn+2, DLn+5, DLn+4, DLn+5, DLn+5, DLn+7, DLn+9, DLn+9 and DLn+10, respectively. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 35 , the number of data lines in the display device  300  realized by repeatedly configuring the sub-pixel group SPG 13  can be reduced and the layout space in the display device  300  is therefore increased. 
         [0096]    Note that, the relationships between each of the sub-pixels SP 46 -SP 57  and data lines DL 1 -DLx/scan lines SL 1 -SLy in the sub-pixels group SPG 13  at adjacent rows are different in  FIG. 35 . For example, in another sub-pixel group SPG 13  under the sub-pixel group SPG 13  at the left-top corner, the sub-pixel SP 47  changes to be coupled to the scan line SLm+2 and the sub-pixel SP 55  changes to be coupled to the scan line SLm+1. In addition, the sub-pixel SP 48  and SP 49  are coupled to the same data line DLn+6. 
         [0097]    Please jointly refer to  FIG. 36  and  FIG. 30 , wherein  FIG. 36  is a schematic diagram of a circuitry layout of the display device  300  shown in  FIG. 30 . As shown in  FIG. 36 , the display device  300  comprises a driving module DRI and a plurality of sub-pixel groups SPG 13 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  300  to display images. Note that,  FIG. 36  only shows the data line DLn-DLn+17, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 13  for illustrations. In comparison with  FIG. 35 , the coupling relationships between each of the sub-pixels SP 46 -SP 57  and the scan lines SLm, SLm+1 remain the same. Note that, the sub-pixels SP 50  and SP 52  change to be coupled to different data lines, thus the sub-pixels SP 46 -SP 57  are coupled to DLn, DLn+1, DLn+3, DLn+2, DLn+5, DLn+4, DLn+6, DLn+5, DLn+7, DLn+10, DLn+10 and DLn+11, respectively. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 36 , the number of data lines in the display device  300  realized by repeatedly configuring the sub-pixel group SPG 13  can be reduced and the layout space in the display device  300  is therefore increased. 
         [0098]    Note that, the relationships between each of the sub-pixels SP 46 -SP 57  and data lines DL 1 -DLx/scan lines SL 1 -SLy in the sub-pixels group SPG 13  at adjacent rows are different in  FIG. 36 . For example, in another sub-pixel group SPG 13  under the sub-pixel group SPG 13  at the left-top corner, the sub-pixel SP 47  changes to be coupled to the scan line SLm+2 and the sub-pixel SP 55  changes to be coupled to the scan line SLm+1. In addition, the sequence of the data lines coupled to the sub-pixels SP 48 , SP 49  reverses, the sub-pixels SP 50 , SP 51  change to be coupled to the same data lines DLn+8, the sub-pixels SP 52 , SP 53  change to be coupled to the same data line DLn+9. 
         [0099]    Please refer to  FIG. 37 , which is a schematic diagram of a circuitry layout of a display device  370  according to an example of the present invention. As shown in  FIG. 37 , the display device  370  comprises a driving module DRI and a plurality of sub-pixel groups SPG 17  shown in  FIG. 32 . The driving module DRI comprises a column driving unit CD and a row driving unit RD, which are utilized for driving data lines DL 1 -DLx and scan lines SL 1 -SLy, respectively, to control the display device  370  to display images. Note that,  FIG. 37  only shows the data line DLn-DLn+15, the scan lines SLm-SLm+4 and parts of the plurality of sub-pixel groups SPG 17  for illustrations. In the sub-pixel group SPG 13  at the left-top corner, the sub-pixels SP 70 -SP 72 , SP 74  and SP 79  are coupled to the scan line SLm and the sub-pixels SP 73 , SP 75 -SP 78 , and SP 80  are coupled to the scan line SLm+1. In addition, the sub-pixels SP 70 -SP 80  are coupled to the data lines DLn, DLn+1, DLn+3, DLn+2, DLn+6, DLn+4, DLn+5, DLn+8, DLn+9, DLn+9, and DLn+10, respectively. According to the coupling relationships between the sub-pixels and data lines shown in  FIG. 37 , the number of data lines in the display device  370  realized by repeatedly configuring the sub-pixel group SPG 17  can be reduced and the layout space in the display device  370  is therefore increased. 
         [0100]    To sum up, the above examples reduce the number of sub-pixels for realizing the display device via changing the sub-pixel arrangement in the display device, so as to increase the aperture ratio and to decrease the power consumption and the layout area of the display device. Moreover, the brightness of the display device is increased and the power consumption is further decreased via adding the sub-pixels corresponding to white. 
         [0101]    Those skilled in the art will readily observe that numerous modifications and alterations of the device and method may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.