METHOD OF MANUFACTURING A COLOR FILTER
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United States of America Patent
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app pub date -
Jan 7, 2015
filing date -
Dec 26, 2014
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Abandoned
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Abstract
The disclosure is related to a method for manufacturing a color filter comprises coating a light shielding layer on a substrate, forming a trench on the light shielding layer to form a black matrix layer and a sub-pixel region. The black matrix layer comprises a top surface and a bottom surface. The bottom surface is bounded on the substrate. The top surface is at the surface of the black matrix layer away from the substrate. The area of the bottom surface is less than the area of top surface. The black matrix layer and the sub-pixel region are formed in an alternate interval manner. Each sub-pixel region is positioned between two adjacent black matrixes. A color filter layer is formed at the sub-pixel region. The color filter obtained by the method of the disclosure has a smooth surface without the step and avoids the leakage of light.
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