Liquid crystal cells – elements and systems – Nominal manufacturing methods or post manufacturing...
Reexamination Certificate
2008-11-14
2010-12-14
Heyman, John (Department: 2871)
Liquid crystal cells, elements and systems
Nominal manufacturing methods or post manufacturing...
C349S110000, C349S147000
Reexamination Certificate
active
07852452
ABSTRACT:
A method of fabricating a pixel structure of liquid crystal display is described. A transparent conductive layer and a first metal layer are formed over a substrate sequentially. The first metal layer and the transparent conductive layer are patterned to form a gate pattern and a pixel electrode pattern. A gate insulating layer and a semiconductor layer are formed over the substrate sequentially. A patterning process is performed to preserve the semiconductor layer and the gate insulating layer above the gate pattern and remove the first metal layer of the pixel electrode pattern. A second metal layer is formed over the substrate. The second metal layer is patterned to form a source pattern and a drain pattern. A black material layer is formed over the substrate, and then the black material layer is patterned to form a black matrix pattern uncovering the transparent conductive layer of the pixel electrode pattern.
REFERENCES:
patent: 5703668 (1997-12-01), Shin
patent: 2003/0197187 (2003-10-01), Kim et al.
Huang Mao-Tsun
Shih Ming-Hung
Au Optronics Corp.
Heyman John
J.C. Patents
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