1976-05-05
1977-04-26
Bauer, Edward S.
350148, 350150, G02F 113
Patent
active
040198081
ABSTRACT:
An arrangement for a polychrome display comprises in serial association a ght 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: 3731986 (1973-05-01), Fergason
patent: 3806227 (1974-04-01), Greubel et al.
Bauer Edward S.
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung
Smith, Jr. John C.
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