Liquid crystal projector

Details Liquid crystal projector Liquid crystal projector

1993-04-20

1996-01-30

Kostak, Victor R.

Television

Video display

Projection device

348756, 348757, 359 49, 353 34, H04N 931

Patent

active

054884365

ABSTRACT:
A liquid crystal projector which splits white light projected from a light source and light-intensity-modulates and synthesizes the split light components to project the synthesized light components onto a screen. The projector includes a dichroic mirror having a light transmittance characteristic in which two color light components of the three color light components being adjacent in spectrum are transmitted, and a dichroic mirror having a light transmittance characteristic in which the remaining color light excluding the two color light components is reflected. The location of the light source is appropriately modified inside the projector. Accordingly, the production cost is reduced, the heat produced by the light source is not exhausted toward the viewers and the projector is miniaturized.

REFERENCES:
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 5196926 (1993-03-01), Lee

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