Color filter and manufacturing method therefor

Details Color filter and manufacturing method therefor Color filter and manufacturing method therefor

2008-07-08

2008-07-08

McPherson, John A. (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

C347S107000

Reexamination Certificate

active

07396619

ABSTRACT:
A color filter includes a transparent substrate, a black matrix formed on the transparent substrate, a plurality of banks superposed on the black matrix, and a color layer formed of R, G and B color portions. The black matrix defines a plurality of sub-pixels of the color filter. The banks and the black matrix enclose a plurality of spaces for respectively accommodating the R, G and B color portions. Wherein, a plurality of groups is defined, each group includes a plurality of sub-pixels of concolorous color portions, at least one channel is formed on the bank between adjacent sub-pixels of concolorous color portions in the group. In a manufacturing method for the color filter, the ink can flow over between the adjacent sub-pixels in a defined group and level through the channel, thus the uniformity of the color portions can be improved.

REFERENCES:
patent: 6630274 (2003-10-01), Kiguchi et al.
patent: 2003/0118921 (2003-06-01), Chen et al.

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