Patterned light modulating device

Details Patterned light modulating device Patterned light modulating device

2003-07-07

2009-06-23

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S085000, C349S201000, C349S123000, C349S124000, C349S125000, C349S126000, C349S127000, C349S128000, C349S129000, C349S130000

Reexamination Certificate

active

07551258

ABSTRACT:
A repeated pattern layer having areas for imparting different electro-optic characteristics to a light modulating device is disclosed. The repeated pattern is arranged so that any pixel area formed in the assembled device (above a certain minimum size) will contain an area of each electo-optic characteristic in the right proportions. The pattern is arranged as a two dimensional grid of areas of different characteristic with at least one area of each characteristic provided in each row and column of the grid.The patterned layer may usefully be an alignment layer for a liquid crystal device, especially a bistable device, and the different areas may be arranged to give grey scale in the device.

REFERENCES:
patent: 5853818 (1998-12-01), Kwon et al.
patent: 6639642 (2003-10-01), Suzuki et al.
patent: 6727968 (2004-04-01), Bryan-Brown et al.
patent: 7053975 (2006-05-01), Wood et al.
patent: 2003/0063246 (2003-04-01), Bryan-Brown et al.
patent: WO 0140853 (2001-06-01), None

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