Antiferroelectric LCD in which a normal to an antiferroelectric

Details Antiferroelectric LCD in which a normal to an antiferroelectric Antiferroelectric LCD in which a normal to an antiferroelectric

1995-10-25

1998-03-17

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 37, 349 74, 349 77, 349 96, 349165, 349174, 345 97, G02F 1133, G02F 11347, G02F 113, G09G 336

Patent

active

057293074

ABSTRACT:
An antiferroelectric liquid crystal device of the present invention includes at least a first antiferroelectric liquid crystal cell and a second antiferroelectric liquid crystal cell, wherein the first and second antiferroelectric liquid crystal cells respectively have an antiferroelectric liquid crystal material interposed between a pair of electrode substrates each having an electrode film and an alignment layer, and the first and second antiferroelectric liquid crystal cells are disposed so that a normal to an antiferroelectric liquid crystal layer of the first antiferroelectric liquid crystal cell is orthogonal to a normal to an antiferroelectric liquid crystal layer of the second antiferroelectric liquid crystal cell.

REFERENCES:
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patent: 5367391 (1994-11-01), Johno et al.
patent: 5477354 (1995-12-01), Schehrer
patent: 5589966 (1996-12-01), Hama et al.
A.D.L. Chandani et al., Japanese Journal of Applied Physics, vol. 28, No. 7, pp. L1265-L1268, 1989 "Antiferroelectric Chiral Smectic Phases Reponsible for the Tristable Switching in MHPOBC".
Y. Yamada, et al., Japan Display '92, pp. 57-60, 1992 "Multi-Color Video-Rate Antiferroelectric LCDs with High Contrast and Wide View".
N. Yamamoto et al., Ferroelectrics, vol. 149, pp. 295-304, 1993, "Full-Color Antiferroelectric Liquid Crystal Display".
K. Ui et al., Preprints of the 17th Liquid Crystal Meeting, pp. 408-409, 1991, "Electro-Optical Characteristics of Double-Layer Ferroelectric Liquid Crystal".

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