LCD projector illumination system having blue and red dichroic m

Details LCD projector illumination system having blue and red dichroic m LCD projector illumination system having blue and red dichroic m

1998-02-23

2000-08-29

Dudek, James A.

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 8, 349 95, 353 31, 353 34, G02F 11335, G03B 2100, G03B 2126

Patent

active

061116181

ABSTRACT:
A color liquid crystal display projector having a light source with a radiating element and a liquid crystal display (LCD). The LCD includes an array of multiple picture elements or pixels that each has separate color component elements. A microlens array is positioned adjacent to the liquid crystal display to direct light from the light source into the picture elements. Illumination imaging components cooperate with the microlens array to image the radiating element toward the separate color component elements of the liquid crystal display. Multiple differently inclined dichroic mirrors split the light into light beams of different color components that are imaged onto the appropriate color component elements of the liquid crystal display.

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