| 摘要 |
A display apparatus of the present invention has an optical engine (image generating unit) which has a light source, a digital micro mirror device (DMD) panel, and a color wheel having a white segment, the image generating unit projecting a white image and video lights of each color at certain time intervals, and a panel driver which outputs signals B, G and R to the DMD panel, wherein a brightness compensating circuit which performs nonlinear conversion for a brightness signal component (Y) according to the level of brightness component, to control a high brightness level portion of the brightness signal component, and a color compensating circuit which performs nonlinear conversion for two color difference signal components (Cb/Cr), to increase saturation.
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