Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2004-12-23
2009-02-10
Nelms, David (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S065000, C349S096000, C349S141000
Reexamination Certificate
active
07489374
ABSTRACT:
A normally-closed liquid crystal display includes a component to selectively absorb characteristic leakage light occurring at black representation. Therefore, when black is displayed, occurrence of unnecessary leakage light due to partial depolarization of polarized light caused by a component of an LCD panel can be suppressed. It is therefore possible to provide a liquid crystal display in which display performance of black is improved to clearly display black.
REFERENCES:
patent: 6646699 (2003-11-01), Utsumi et al.
patent: 2005/0030448 (2005-02-01), Huh et al.
patent: 2002-040233 (2002-02-01), None
patent: 2003-084271 (2003-03-01), None
Hiyama Ikuo
Kondo Katsumi
Maehara Mutsumi
Sugibayashi Makiko
Utsumi Yuka
Antonelli, Terry Stout & Kraus, LLP.
Hitachi Displays Ltd.
Nelms David
Nguyen Thanh-Nhan P
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