Patent ID: 8723847

Claim:
A display device comprising: a screen unit; a drive unit; and a signal processing unit, wherein the screen unit includes rows of scanning lines, columns of signal lines, a plurality of light sensors, and pixel circuits forming a matrix, the drive unit includes a scanner supplying a control signal to the scanning lines and a driver supplying a video signal to the signal lines, the screen unit is sectioned into plural pixel regions of the same size forming the matrix, each pixel region having the pixel circuits and a square-shaped boundary, each of the pixel circuits emits light in accordance with the video signal, each of the light sensors resides at an approximately center location within the square-shaped boundary of a respective one of the plural pixel regions and outputs a luminance signal in accordance with the light emission; and the signal processing unit corrects the video signal in accordance with the luminance signal and supplies a corrected video signal to the driver.