Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-04-26
2008-09-30
Duong, Thoi V (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S177000, C349S130000, C349S132000, C349S123000
Reexamination Certificate
active
07430030
ABSTRACT:
A bistable nematic liquid crystal display device comprises two opposed cell walls enclosing a layer of a nematic liquid crystal material. An inner surface of each cell wall is provided with an electrode for applying an electric field across at least some of the liquid crystal material. An inner surface of one of the cell walls is provided with a surface alignment capable of inducing a desired alignment in adjacent molecules of the liquid crystal material, and a layer of finely-divided particles is immobilized on the surface alignment.
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Duong Thoi V
Hewlett--Packard Development Company, L.P.
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