Patent ID: 7052138

Claim:
A display apparatus capable of illuminating a light modulation device with a light from a light emitting source to display an image on a display plane, the apparatus comprising: a plurality of light emitting bodies different from one another in emitted light color; a light receiving device configured to detect the light from the light emitting bodies and to output an amount of light received; a color balance adjustment control section configured to adjust and control a color balance in the display plane in accordance with the amount of light received by the light receiving device, and capable of identifying the emitted light colors of each of the light emitting bodies relating to the amount of light received; wherein the color balance adjustment control section comprises an emitted light amount adjustment control section configured to control lighting so as to adjust the amount of light emitted by the light emitting bodies in adjusting and controlling the color balance in the display plane; and the emitted light amount adjustment control section decreases a supply current into the light emitting bodies relating to at least any one of different emitted light colors as compared with that before the adjustment in such a manner that the amount of light emitted of each of the different emitted light colors satisfies an emitted light amount ratio between the emitted light colors required for keeping the color balance in adjusting and controlling the color balance in the display plane.