Liquid crystal device

Details Liquid crystal device Liquid crystal device

1995-06-07

1998-05-05

Tucker, Philip

Compositions

Liquid crystal compositions

349168, 349175, C09K 1952, C09K 1902

Patent

active

057469393

ABSTRACT:
A liquid crystal device having a cell structure comprising a pair of base plates and a smectic liquid crystal having cholesteric phase at a higher temperature side; the ratio (P/d) of the spiral pitch of the cholesteric phase (P) to the spacing between the pair of base plates (d) is 0.5 or more.

REFERENCES:
patent: 4264148 (1981-04-01), Gobl-Wunsch et al.
patent: 4639089 (1987-01-01), Okada et al.
patent: 4943387 (1990-07-01), Furukawa et al.
patent: 4969719 (1990-11-01), Bradshaw et al.
patent: 5061047 (1991-10-01), Bradshaw et al.
patent: 5076962 (1991-12-01), Furukawa et al.
patent: 5250222 (1993-10-01), Kelly et al.

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