Liquid crystal composition, liquid crystal device using the same

Details Liquid crystal composition, liquid crystal device using the same Liquid crystal composition, liquid crystal device using the same

1995-04-13

1997-07-08

Wu, Shean C.

Compositions

Liquid crystal compositions

2522995, 428 1, 349 89, 349117, C09K 1952, C09K 1954, G02F 113

Patent

active

056457588

ABSTRACT:
A liquid crystal composition comprising a liquid crystal and a second substance dispersed therein, the second substance having affinity for the liquid crystal and being composed of particles having a particle size and an aspect ratio of a predetermined value or greater, and a liquid crystal composition comprising a liquid crystal containing electric field sensitive liquid crystal molecules having a positive dielectric anisotropy as the principal component and flat plate-shaped particles having affinity for the liquid crystal being dispersed therein at such a degree of density suitable for effectively forming liquid crystal domains. Also described are a liquid crystal device using the same, a light-controlling element, a recording medium, and a light shutter.

REFERENCES:
patent: 5139771 (1992-08-01), Gerstein
patent: 5229451 (1993-07-01), Carter et al.
patent: 5430566 (1995-07-01), Sakaya et al.
Kurihara et al., "Phtochemically Induced Isothermal Phase Transition in Liquid Crystals. Effect of Interaction of Photoresponse Molecules with Matrix Mesogens", Mol. Cryst. Liq. Cryst. 1990, vol. 178, pp. 133-142.
Tisato Kajiyama et al, "Aggregation States and Bistable Light Switching of (Liquid Crystalline Polymer)/(Low Molecular Weight Liquid Crystal) Mixture Systems", Chemistry Letters, pp. 817-820 (1989).
Akio Sasaki, "Liquid-Crystal Termo-Optic Effects and Two New Information Display Devices", Journal of Applied Physics, vol. 45, pp. 4356-4359 (Oct. 10, 1994).
Akio Sasaki et al, "Thermally Addressed Liquid-Crystal Display for Dynamic Figures", IEEE Transactions on Electron Devices, pp. 805-805 (Sep. 1975).

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