Polymer stabilized four domain twisted nematic liquid crystal di

Details Polymer stabilized four domain twisted nematic liquid crystal di Polymer stabilized four domain twisted nematic liquid crystal di

1996-05-15

1998-11-03

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349129, 349134, G02F 11333, G02F 11337, G02F 1141

Patent

active

058317007

ABSTRACT:
A liquid crystalline light modulating pixel includes first and second cell wall structures and nematic liquid crystal within a UV cured polymer network disposed therebetween. The first and second cell wall structures cooperate with the liquid crystal to form four liquid crystal domains within the pixel. The liquid crystal in each of the domains exhibits a twisted nematic liquid crystal structure and the orientation of the liquid crystal director of the liquid crystal adjacent one of the cell wall structures in at least two domains is different. The polymer network stabilizes the four domain structure at both high field and zero field conditions.

REFERENCES:
patent: 5119218 (1992-06-01), Yoshimoto et al.
patent: 5189540 (1993-02-01), Nakamura et al.
patent: 5194973 (1993-03-01), Isogai et al.
patent: 5296952 (1994-03-01), Takatsu et al.

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