Low voltage actuated field effect liquid crystals compositions a

Details Low voltage actuated field effect liquid crystals compositions a Low voltage actuated field effect liquid crystals compositions a

1974-09-03

1976-08-17

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

252408, 350150, 350160LC, 260473R, C09K 334, G02F 113

Patent

active

039752860

ABSTRACT:
A nematic liquid crystal composition suitable for use in displays and in other liquid crystal applications comprising a mixture of negative dielectric anisotropy low temperature characteristic nematic non-Schiff base liquid crystals and strongly positive dielectric anisotropy nematic non-Schiff base liquid crystals doped with traces of cholesteric liquid crystal are disclosed. These compositions have low actuation voltages and very rapid response times.

REFERENCES:
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patent: 3781088 (1973-12-01), Tsukamoto et al.
patent: 3792915 (1974-02-01), Oh et al.
patent: 3815972 (1974-06-01), Hsieh
patent: 3819531 (1974-06-01), Saeva et al.
patent: 3836478 (1974-09-01), Green et al.
patent: 3876286 (1975-04-01), Deutscher et al.
patent: 3881806 (1975-05-01), Suzuki
patent: 3891307 (1975-06-01), Tsukamoto et al.
patent: 3915883 (1975-10-01), Van Meter et al.
patent: 3919105 (1975-11-01), Katagiri et al.
Raynes, E. P., "Improved Contrast Uniformity in Twisted Nematic Liquid Crystal Electro-Optic Display Devices";

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