Thermochromic liquid crystal materials and devices

Details Thermochromic liquid crystal materials and devices Thermochromic liquid crystal materials and devices

1986-06-18

1988-05-03

Gron, Teddy S.

Compositions

Liquid crystal compositions

Containing nonsteryl liquid crystalline compound of...

25229901, 25229966, 25229964, 25229965, 25229961, 25229967, 2522995, 2522997, 350346, 350350R, 350350S, 350351, G02F 113, C09K 1930, C09K 1912

Patent

active

047418591

ABSTRACT:
A novel method of preparing thermochromic liquid crystal mixtures is provided in which mixtures which show an injected smectic phase at lower temperatures than their thermochromic cholesteric phase are prepared, and by following the envelope of the injected smectic - cholesteric transition on the phase diagram a series of thermochromic compositions containing the same components but having a series of working temperature ranges are obtained.
Novel thermochromic liquid crystal mixtures prepared using the method are also provided.

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