Electro-optical device producing wider reproducible color...

Details Electro-optical device producing wider reproducible color... Electro-optical device producing wider reproducible color...

2006-05-19

2009-12-01

Heyman, John (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S108000, C349S109000, C349S114000

Reexamination Certificate

active

07626659

ABSTRACT:
An electro-optical device includes a plurality of sub-pixels each having a light transmission region and a light reflection region, wherein coloration layers of a same color are disposed on each of the light transmission region and light reflection region of each sub-pixel, the coloration layers being constituting a plurality of colors, and color display is implemented for either transmission display or reflection display, the transmission display being implemented by the light transmission region and the reflection display being implemented by the light reflection region, and wherein the number of colors of the coloration layers disposed in the light transmission regions is more than that of the coloration layers in the light reflection regions, whereby a reproducible color range in the transmission display is set to be wider than the reproducible color range in the reflection display, with respect to the xy chromaticity diagram.

REFERENCES:
patent: 7463317 (2008-12-01), Takizawa et al.
patent: 2002/0191130 (2002-12-01), Liang et al.
patent: 2003/0231267 (2003-12-01), Murai et al.
patent: 1 251 389 (2002-10-01), None
patent: A-2001306023 (2001-11-01), None
patent: A 2002-258029 (2002-09-01), None
patent: A-2004-191646 (2004-07-01), None

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