Patent ID: 6467909
Filing Date: 2002-10-22
Classification: H04N

Abstract:
A projection type liquid crystal display comprising:a projector, which includes a light source emitting white light, a monochrome liquid crystal panel driven and switched sequentially in accordance with an image signal corresponding to a plurality of primary colors, and a projection lens for projecting and magnifying an image on a liquid crystal surface of the liquid crystal panel; a screen, which includes a diffusion member as an image forming surface, an image forming device for forming an image corresponding to each primary color projected from the projector on the diffusion member, a color filter arranged on an incident side of the diffusion member and including a plurality of primary color filters corresponding to a stripe-shaped image formed on the diffusion member; a shutter device, which includes a plurality of shutter regions in the lateral direction which can switch between light transmission and light shading; and a shutter controlling device for controlling light transmission and light shading of the shutter regions of the shutter device on the basis of timing of projecting an image corresponding to each primary color from the projector and for forming a stripe-shaped image corresponding to a plurality of primary colors in sequence on the diffusion member.