G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/135 (2006.01) G02F 1/133 (2006.01) G02F 1/1337 (2006.01) G02F 1/141 (2006.01) G03G 15/00 (2006.01) G09F 9/35 (2006.01) G02F 1/1333 (2006.01)
Patent
CA 2121776
A liquid crystal device is constituted by a pair of oppositely disposed substrates having opposing inner surfaces and opposing electrodes thereon, and a chiral smectic liquid crystal disposed between the opposing electrodes. The liquid crystal device has an effective optical modulation region and a peripheral region outside the effective optical modulation region. In the device, liquid crystal molecules in the peripheral region have a pretilt angle which is larger than a pretilt angle of liquid crystal molecules in the effective optical modulation region. As a result, a local pressure irregularity or a cell thickness change caused by a liquid crystal molecular movement along an extension of the device is effectively suppressed.
Hanyu Yukio
Hotta Yoshio
Kodera Yasuto
Mihara Tadashi
Mori Sunao
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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