Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Reexamination Certificate
2007-07-31
2007-07-31
McPherson, John A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
C349S106000, C349S110000, C347S106000
Reexamination Certificate
active
10862351
ABSTRACT:
A color filter of liquid crystal display (LCD) panel is described. A surface property of a black matrix is changed by coating with an ink-repellent layer formed of cheap materials, to provide better separation between portions of a colored layer, thus reducing the cost of the ink-repellent layer and avoid overflowing while color ink drops are attaching onto a transparent substrate. In addition, a method of fabricating a color filter of LCD panel is described. The ink-repellent layer is transferred onto the black matrix, and then the colored layer is formed thereon. The ink-repellent layer effectively separates the colored layer. This method of the invention greatly diminishes the usage of the ink-repellent layer, steps of exposure and development, and the cost and time of fabricating the color filter.
REFERENCES:
patent: 5691011 (1997-11-01), Newsham et al.
patent: 6228435 (2001-05-01), Yoshikawa et al.
patent: 2004/0151994 (2004-08-01), Tsai et al.
Li Huai-An
Lo Yu-Cheng
Tsai Ming-Feng
Chungwa Picture Tubes, Ltd.
McPherson John A.
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