Liquid crystal display device of increased life expectancy

Details Liquid crystal display device of increased life expectancy Liquid crystal display device of increased life expectancy

1974-07-31

1976-12-07

Bauer, Edward S.

350150, G02F 113

Patent

active

039959490

ABSTRACT:
A liquid crystal display device utilizes birefringent liquid crystals in a twisted mode in combination with a pair of polarizing plates the system being so mounted that the ordinary beam provides the display. The absorption of short-wavelength light is less for the ordinary beam than for the extraordinary beam, resulting in increased life-expectancy of the liquid crystal material, and therefore of the system.

REFERENCES:
patent: 3731986 (1973-05-01), Fergason

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