Projection type display apparatus

Details Projection type display apparatus Projection type display apparatus

1995-12-20

1998-08-25

Sikes, William L.

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

349 95, 349114, 349 67, 353 31, G02F 11335, G02F 1137

Patent

active

057988056

ABSTRACT:
A projection type display apparatus has a light source optical system, a first filter (1), a first aperture (17), a condenser lens (13), a liquid crystal element (15) having a color filter for each pixel, a second aperture (18), a second filter (2), a projection optical system which form a schlieren optical system wherein first and second filters each composed of a spectral element for controlling each color of R, G and B are provided.

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