Liquid crystal cells – elements and systems – Liquid crystal system – Projector including liquid crystal cell
Patent
1998-04-08
1999-01-19
Sikes, William L.
Liquid crystal cells, elements and systems
Liquid crystal system
Projector including liquid crystal cell
G02F 11335
Patent
active
058619275
ABSTRACT:
A liquid crystal display device includes: a liquid crystal spatial modulating element holding a liquid crystal layer between a pair of parallel substrates, wherein transmission of light incident upon the liquid crystal layer along an incidence direction tilted to a predetermined direction from a normal to the substrates takes a local minimum as a voltage applied to the liquid crystal layer is changed, and the voltage at the local minimum changes as the incidence direction is changed; an illumination optical system for supplying illumination light generally over a whole surface of the liquid crystal spatial modulating element along incidence direction or directions tilted to the predetermined direction; and a driver circuit capable of applying a voltage across the liquid crystal layer, the voltage being generally equal to a voltage which provides the local minimum of the transmission with respect to the illumination light. The liquid crystal display device has uniform display characteristics over a display screen.
REFERENCES:
patent: 5491525 (1996-02-01), Yamasaki et al.
patent: 5612797 (1997-03-01), Clarke
patent: 5703663 (1997-12-01), Fujioka et al.
Hamada Tetsuya
Kobayashi Tetsuya
Suzuki Toshihiro
Yamaguchi Hisashi
Dudek James
Fujitsu Limited
Sikes William L.
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