Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2004-03-26
2008-10-21
Dudek, James A (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
Reexamination Certificate
active
07440055
ABSTRACT:
A transflective liquid crystal display device includes a pixel region having reflective and transmissive portions. A first passivation layer having one or more protrusions in the reflective portion is disposed on a thin film transistor formed on a first substrate. A reflective layer disposed on the first passivation layer in the reflective portion is uneven, at least in part due to the protrusions. A second passivation layer and a pixel electrode are disposed on the first passivation layer. A color filter layer disposed on an inner surface of the second substrate has at least one through hole in the reflective portion. An overcoat layer disposed on the color filter layer has an open portion in the transmissive portion. A common electrode is disposed on the overcoat layer and a liquid crystal layer is disposed between the pixel electrode and the common electrode.
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Korean Office Action for corresponding Korean application No. 10-2003 0032871.
Choi Su-Seok
Jang Sang-Min
Nam Mi-Sook
Brinks Hofer Gilson & Lione
Dudek James A
LG Display Co. Ltd.
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