Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-05-03
1995-06-06
Sikes, William L.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 78, 359100, 428 1, G02F 11337
Patent
active
054227496
ABSTRACT:
A liquid crystal device is constituted by a pair of substrates; an alignment film comprising a polyimide which has a fluorine-containing substituent in its carboxylic acid-originated moiety, disposed on at least one of the pair of substrates and subjected to an aligning treatment; and a chiral smectic liquid crystal disposed between the pair of substrates in an alignment state where its helical structure is suppressed. The chiral smectic liquid crystal is placed in an alignment state of forming an aligned region occupying an area which is at least 95% of the effective display region of the liquid crystal device. The aligned region includes a plurality of unidirectionally bent layers each organized by plural liquid crystal molecules in chiral smectic phase.
REFERENCES:
patent: Re33342 (1990-09-01), Kohtoh et al.
patent: 3864021 (1976-03-01), Katagiri et al.
patent: 4367924 (1983-01-01), Clark et al.
patent: 4561726 (1985-12-01), Goodby et al.
patent: 4634228 (1987-01-01), Inasaki et al.
patent: 4639089 (1987-01-01), Okada et al.
patent: 4674839 (1987-06-01), Tsuboyama et al.
patent: 4707079 (1987-11-01), Inoue
patent: 4709994 (1987-12-01), Kanbe et al.
patent: 4728176 (1988-03-01), Tsuboyama et al.
patent: 4735492 (1988-04-01), Sekine et al.
patent: 4778259 (1988-10-01), Kitayama et al.
patent: 4781439 (1988-11-01), Yokokura et al.
patent: 4783148 (1988-11-01), Tsuboyama et al.
patent: 4796979 (1989-01-01), Tsuboyama et al.
patent: 4796980 (1989-01-01), Kaneko et al.
patent: 4820026 (1989-04-01), Okada et al.
patent: 4832462 (1989-05-01), Clark et al.
patent: 4879059 (1989-11-01), Hanyu et al.
patent: 4883344 (1989-11-01), Okada et al.
patent: 4932757 (1990-06-01), Hanyu et al.
patent: 4932758 (1990-06-01), Hanyu et al.
patent: 4939003 (1990-07-01), Aoki et al.
patent: 5046822 (1991-09-01), Matsuda et al.
patent: 5129727 (1992-07-01), Hanyu et al.
patent: 5192596 (1993-03-01), Hanyu et al.
patent: 5200848 (1993-04-01), Hanyu et al.
patent: 5268780 (1993-12-01), Hanyu et al.
Switching Characteristic of SSFLC, Preprint for Liquid Crystal Forum (Oct. 1987) 142:3.
J. App. Phys., vol. 59, No. 7 (1986) 2355:60.
Asaoka Masanobu
Hanyu Yukio
Inaba Yutaka
Kanbe Junichiro
Sugioka Hideyuki
Canon Kabushiki Kaisha
Mai Huy
Sikes William L.
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