Patent ID: 8830281

Claim:
A circuit for compensating color shift of a color sequential display method, the circuit comprising: an image processing unit for compensating gray levels of red, green, and blue sub-pixels of a pixel to generate gray levels of red, green, and blue sub-pixels of a compensated pixel, the image processing unit comprising: a gray level generation unit for generating first gray levels of red, green, and blue sub-pixels according to the pixel received by the image processing unit and a first Gamma adjustment equation; a pre-processing unit for generating a pure color uniformity of a display panel according to maximum luminances of red light, green light, blue light, and white light displayed by the display panel, and generating a color compensation value according to the pure color uniformity; and a color compensation unit coupled to the pre-processing unit and the gray level generation unit for generating a color saturation of the pixel according to the first gray levels of the red, green, and blue sub-pixels generated by the gray level generation unit, generating a compensation difference of the pixel according to the color saturation and the color compensation value, and generating the gray levels of the red, green, and blue sub-pixels of the compensated pixel according to the compensation difference and the first gray levels of the red, green, and blue sub-pixels; and a timing control circuit coupled to the image processing unit for sequencing the gray levels of the red, green, and blue sub-pixels of the compensated pixel according to the color sequential display method, and outputting the gray levels of the red, green, and blue sub-pixels of the compensated pixel to the display panel; wherein the display panel displays the compensated pixel according to the sequenced gray levels of the red, green, and blue sub-pixels of the compensated pixel.