Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2006-02-14
2006-02-14
Dudek, James A. (Department: 2871)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S047000, C349S153000
Reexamination Certificate
active
06999136
ABSTRACT:
A method of fabricating a liquid crystal display includes forming a gate insulating film to have different thickness in accordance with position. A liquid crystal display according to an embodiment of the present invention comprises a first thin film transistor formed in a picture display part together with liquid crystal cells each provided at each crossing area of a plurality of signal lines for driving each of the liquid crystal cells; a second thin film transistor included in a drive circuit that generates a drive signal to drive the signal lines and formed in a drive circuit part located at the outer area of the picture display part; and a gate insulating film formed between an active layer and each gate electrode included in each of the first and second thin film transistors, and having a structure of at least two-layers, inclusive of an etch-stopper layer, and wherein the gate insulating films of the first and second thin film transistors are formed to have different thickness from each other.
REFERENCES:
patent: 6670635 (2003-12-01), Yamazaki et al.
Dudek James A.
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
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