Color filter and manufacturing method therefor
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United States of America Patent
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Jul 8, 2008
Grant Date -
Dec 21, 2006
app pub date -
Jun 9, 2006
filing date -
Jun 17, 2005
priority date (Note) -
Expired
status (Latency Note)
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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.
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