Hybrid aligned liquid crystal display employing An anodized alig

Details Hybrid aligned liquid crystal display employing An anodized alig Hybrid aligned liquid crystal display employing An anodized alig

1996-03-07

1999-03-09

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349130, 349128, G02F 11337

Patent

active

058808019

ABSTRACT:
The present invention discloses nanomechanical fabrication methods of hybrid aligned nematic (HAN) cells of liquid crystals for creating analog spatial light modulators and smart pixel arrays on conventionally fabricated VLSI integrated circuits. The liquid crystal material is encapsulated between a top substrate and a bottom substrate. The locally averaged direction of the long axis of the molecules of liquid crystals of the HAN cells varies smoothly from homogeneous alignment on a top substrate to homeotropic alignment on a bottom substrate. The bottom substrate causes a homeotropic alignment of the liquid crystal because of its porous microstructure.

REFERENCES:
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G. Paul Montgomery. Polymer-dispersed liquid crystal films for light control applications. Proceedings of the SPIE, 1080:242-249, 1989.
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Y. Kawata, H. Takatoh, M. Hasegawa, and M. Sakamoto. The alignment of nematic liquid-crystals on photolithographic micro-groove patterns. Liquid Crystals, 16(6):1027-1036, 1994.

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