Patent ID: 7852329
Filing Date: 2010-12-14
Classification: G03B

Abstract:
1. An image display apparatus comprising: a light source that generates light-source light of a plurality of colors; at least one optical modulator that modulates each of the light-source light generated by the light source to image light; a display drive unit that controls the optical modulator to perform display according to an input image signal; a signal determining unit that determines whether the image signal has been input and whether the image signal can be processed by the display drive unit, and determines that a display state is non-normal when the image signal has not been input or when the image signal cannot be processed by the display drive unit; and a controller that, when the signal determining unit determines that the display state is non-normal, controls the light source to generates only one specific color light of the plurality of colors and simultaneously transmits a display image signal for non-normal display to the optical modulator.