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Patent Searching and Data


Title:
COLOR FILTER, LIQUID CRYSTAL DISPLAY PANEL, AND PASTE FOR FORMING RESIN BLACK MATRIX
Document Type and Number:
Japanese Patent JP2004093656
Kind Code:
A
Abstract:

To provide a color filter having the flatness to an extent that the alignment disorder of liquid crystal leading to deterioration of display quality does not occur, capable of normally conducting foreign matter protrusion inspection using reflected light, and used for manufacturing a liquid crystal display panel with the high contrast of light and shade.

The color filter is provided with a resin black matrix whose optical density per unit film thickness is ≥4.4/μm, the film thickness is ≤0.9μm, and the surface roughness is ≤30 nm using black particulates having high light shielding property and small in particle size.


Inventors:
NOMURA HIDESHI
GOTO TETSUYA
Application Number:
JP2002251331A
Publication Date:
March 25, 2004
Filing Date:
August 29, 2002
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
G02B5/00; G02B5/20; G02F1/1335; (IPC1-7): G02B5/20; G02B5/00; G02F1/1335