Arrangement for a polychrome display

Details Arrangement for a polychrome display Arrangement for a polychrome display

1974-06-07

1980-12-16

Bauer, Edward S.

350337, G02F 1133

Patent

active

042393493

ABSTRACT:
An arrangement for a polychrome display comprises in serial association a light source, a linear polarizing filter, at least one nematic liquid crystal rotating element, and either a passive birefringent retardation plate followed by a further neutral linear polarizing filter or a selective polarizer.

REFERENCES:
patent: 2834254 (1958-05-01), Sage
patent: 3501219 (1970-03-01), Caulfield
patent: 3731986 (1973-05-01), Fergason
patent: 3756694 (1973-09-01), Soref et al.
patent: 3784280 (1974-01-01), Bigelow
patent: 3785721 (1974-01-01), Harsch
patent: 3806227 (1974-04-01), Greubel et al.
patent: 3813144 (1974-05-01), Kumada et al.
Shanks: "Electro-optical Coulour Effects by Twisted Neumatic Liquid Crystal", Electronics Letters, vol. 10, pp. 90-91, Apr. 4, 1974. _

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