Liquid crystal display device for displaying colored patterns

Details Liquid crystal display device for displaying colored patterns Liquid crystal display device for displaying colored patterns

1975-06-16

1978-01-17

Bauer, Edward S.

350155, G02F 113

Patent

active

040689263

ABSTRACT:
A twisted nematic type color liquid crystal display device comprises a twisted nematic liquid crystal cell sandwiched between a pair of linear polarizers. One of the linear polarizers is achromatic and the other is colored. The colored linear polarizer should preferably be doubled to increase contrast of the patterns displayed thereby.

REFERENCES:
patent: 3731986 (1973-05-01), Ferguson
patent: 3806227 (1974-04-01), Greubel et al.
Scheffer: "New Multicolor Liquid Crystal Displays . . . ", Journal of Applied Physics, vol. 44, Nov. 1973.

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