Low driving voltage polymer dispersed liquid crystal display dev

Details Low driving voltage polymer dispersed liquid crystal display dev Low driving voltage polymer dispersed liquid crystal display dev

1996-08-05

1998-12-08

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 86, G02F 11333

Patent

active

058477870

ABSTRACT:
A reduced driving voltage polymer dispersed liquid crystal display (10) has a transparent polymer matrix (20) disposed between two substrates (12, 14). Droplets of a nematic liquid crystal fluid (22) are uniformly dispersed throughout the polymer matrix. Particles of an optically transparent material (24) that is a weak conductor are uniformly dispersed throughout the polymer matrix to reduce the electrical potential across the polymer. The enhanced conductivity of the polymer matrix allows the display to be operated at a reduced voltage.

REFERENCES:
patent: 5307187 (1994-04-01), Sunohara et al.
patent: 5479278 (1995-12-01), Takeuchi et al.
Handbook of Display Technology, Castellano, "Polymer Dispersed LCDs," pp. 211-214, Academic Press, California 1992.

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