1990-04-03
1991-07-30
Miller, Stanley D.
350337, G02F 113
Patent
active
050354914
ABSTRACT:
A liquid crystal apparatus, comprising: a liquid crystal cell comprising a pair of substrates, and a chiral smectic liquid crystal showing at least two different optically stable states formed by cooling from a uniaxial alignment phase and disposed between the substrates; and a polarizer and an analyzer disposed to sandwiched the liquid crystal cell; wherein the chiral smectic liquid crystal, polarizer and analyzer are disposed to satisfy any one of the following sets of conditions I-IV characterized by combination of X, Y and Z directions shown below:
REFERENCES:
patent: 4902107 (1990-02-01), Tsuboyama et al.
patent: 4932758 (1990-06-01), Hanyu et al.
Iwamoto Hirofumi
Kawagishi Hideyuki
Mihara Tadashi
Tsuboyama Akira
Canon Kabushiki Kaisha
Mai Huy K.
Miller Stanley D.
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