1987-08-03
1989-11-07
Heyman, John S.
350340, 350341, G02F 113
Patent
active
048787426
ABSTRACT:
A liquid crystal optical modulator having a liquid crystal held between two substrates each having a light-transmissive electrode on the surface, in which at least one substrate has minute alignment-treated region having two or more kinds of liquid crystal aligning abilities different from each other formed and arranged on the same substrate.
REFERENCES:
patent: 3843231 (1974-10-01), Borel et al.
patent: 4617646 (1986-10-01), Yang
L. D. Bowden and R. B. Champ, "Liquid Crystal Alignment Technique", IBM Technical Disclosure Bulletin, vol. 20, No. 8, Jan. 78.
Ishii Takayuki
Ishiwata Kazuya
Mochizuki Chiori
Ohkubo Yukitoshi
Watanabe Yasuyuki
Canon Kabushiki Kaisha
Heyman John S.
Mai Huy K.
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