Liquid crystal display device with prismatic light transmitting

Details Liquid crystal display device with prismatic light transmitting Liquid crystal display device with prismatic light transmitting

1989-07-17

1991-08-13

Hille, Rolf

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 50, 359 70, G02F 113

Patent

active

050392077

ABSTRACT:
A liquid crystal device comprises backlighting means to provide illumination from the rear for a liquid crystal panel. The backlighting means has a layer of light-transmitting material formed with a prismatic region at one edge and a plurality of light sources of differing chromatic output, located adjacent the prismatic region.

REFERENCES:
patent: 3497686 (1970-02-01), Young
patent: 3863246 (1975-01-01), Trcka et al.
patent: 4386826 (1983-06-01), Stolov
"Backlighting for Liquid Crystal Display"-IBM Technical Disclosure Bulletin, vol. 29, No. 11, Apr. 1987, pp. 4838-4839.
Machine Design, vol. 31, No. 22, 10/59, pp. 94-103, Blumenfeld et al.

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