Patent ID: 8384746

Claim:
A color management method, comprising the steps of: acquiring red, green, and blue RGB values from an image signal inputted from an external device; calculating the corresponding transmittance of red pixel, transmittance of green pixel, and transmittance of blue pixel with following formula according to said RGB values, and a pre-stored system transition matrix and a standard transition matrix: [ T r T g T b ] = [ C R C G C B L R L G L B M R M G M B ] - 1 * M * [ R G B ] wherein [ R G B ] denotes RGB values, [ T r T g T b ] denotes the transmittance of red pixel, transmittance of green pixel, and transmittance of blue pixel, [ C R C G C B L R L G L B M R M G M B ] denotes said system transition matrix, which is a transition matrix between the transmittance of red pixel, transmittance of green pixel and transmittance of blue pixel and tristimulus values of a target system, M denotes said standard transition matrix, which is a transition matrix between said tristimulus values and said RGB values, and each of matrix dot elements in the system transition matrix and the standard transition matrix is a set constant; and generating a control signal to control a driving voltage and/or luminance of light source corresponding to the red, green and blue pixels of the display device according to the calculated transmittance of red pixel, transmittance of green pixel, and transmittance of blue pixel, so as to control the display device to perform the color display.