Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-01-28
2011-10-11
Briggs, Nathanael R (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S114000, C349S123000, C349S130000
Reexamination Certificate
active
08035784
ABSTRACT:
A semi-transmissive liquid crystal display device is formed by sealing liquid crystal of negative dielectric anisotropy between a TFT substrate and a counter substrate, and has a transmission region controlling transmitted light and a reflection region controlling reflected light. Moreover, a reflecting electrode and a transparent electrode on the TFT substrate are covered with a first vertical orientation film, and a common electrode on the counter substrate is covered with a second vertical orientation film. Only the entire second vertical orientation film and the first vertical orientation film in the transmission region are modified by light, a pretilt angle of liquid crystal molecules on an interface between the first and second vertical orientation films is 45° or more, and the liquid crystal molecules in the transmission region are subjected to bend orientation.
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Tasaka Yasutoshi
Tashiro Kunihiro
Yoshida Hidefumi
Briggs Nathanael R
Greer Burns & Crain Ltd.
Sharp Kabushiki Kaisha
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