Liquid crystal cells – elements and systems – Nominal manufacturing methods or post manufacturing...
Reexamination Certificate
2006-03-21
2006-03-21
Font, Frank G. (Department: 2883)
Liquid crystal cells, elements and systems
Nominal manufacturing methods or post manufacturing...
Reexamination Certificate
active
07016009
ABSTRACT:
A method of manufacturing an LCD panel that avoids erosion of a transparent conductive film. The method includes forming a TFT substrate with an active region and with a pad region having a transparent conductive film. The TFT substrate is covered with a light-shielding material. That light shielding material is patterned to form a black matrix in the active region and an erosion barrier film over the transparent conductive film in the pad region. Beneficially, the black matrix and the erosion barrier film are formed of the same material, using the same mask. Color filters are electrodeposited from an aqueous solution without erosion of the transparent conductive film in the pad region.
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Font Frank G.
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
Rude Timothy L.
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