Liquid-crystal nematic substances

Details Liquid-crystal nematic substances Liquid-crystal nematic substances

1984-04-23

1986-04-29

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

2522995, 558414, 558406, 558401, 350350R, 560 5, 560102, 560116, 560117, 562403, C09K 334, C07C 6974, C07C 6129, C07C12100, G02F 113

Patent

active

045855765

ABSTRACT:
What is described is an improved opto-electronic component and display which uses novel liquid crystal nematic substances for the control of the light transmission and for the display of numbers symbols and images. The novel nematic liquid crystal substances herein, which exhibit high clearing temperatures, low working temperatures and rapid switching times, are 7-alkyl-perhydrophenanthren-2-carboxylic acids and esters thereof.

REFERENCES:
patent: 3984419 (1976-10-01), Hauck et al.
patent: 4386007 (1983-05-01), Krause et al.
patent: 4421670 (1983-12-01), Deutscher et al.
patent: 4432885 (1984-02-01), Petrzilka et al.
patent: 4434073 (1984-02-01), Sucrow et al.
patent: 4438268 (1984-03-01), Zaschke et al.

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