Patent ID: 7928968

Claim:
An apparatus for displaying an advertisement image having a plurality of image elements, comprising: a display panel for displaying the advertisement image thereon, the display panel including a plurality of clusters which are arranged in a pattern same as that of the advertisement image while being serially connected with one another, each of the clusters having at least one LED cell corresponding to one image element in the advertisement image, respectively, and a driving unit for driving each LED cell to represent the corresponding image element on the LED cell; an image editor for performing an editing of the respective image elements in the advertisement image; and a control module connected between the image editor and the display panel to control the driving of the clusters, wherein the control module includes: a formatter for converting each of the image elements into RGB data of gray levels; a graphic memory for storing the RGB data of gray levels converted by the formatter; and a control unit for controlling the RGB data of gray levels stored in the graphic memory to be sequentially provided to the clusters, and wherein each of the driving units includes: a shift register for receiving the RGB data from the graphic memory and shifting the RGB data to its neighboring shift register connected thereto in a following driving unit on a basis of an image element; and a latch for temporarily latching the RGB data from the shift register, the RGB data latched in the latch being transferred to the LED and being updated with RGB data newly provided from the shift register for each advertisement image edited by the image editor.