发明名称 COLORING COMPOSITION FOR COLOR FILTER, AND COLOR FILTER
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a coloring composition for a color filter, with which the color filter with a high contrast ratio is formed and which uses a pigment having fine and regulated particle size, and the color filter having high luminance and the high contrast ratio. <P>SOLUTION: The coloring composition for the color filter contains a pigment carrier composed of a transparent resin, its precursor or their mixture and the pigment, wherein the pigment is a fine organic pigment formed by kneading a mixture of an organic pigment, a salt whose volume based median particle size (D50) is 1-50μm, 95% particle size (D95) is 80μm or less, and Mg content is 0.002-0.08 wt.%, and a water soluble organic solvent. The color filter is provided with a filter segment formed of the coloring composition for the color filter. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>
申请公布号 JP2007163543(A) 申请公布日期 2007.06.28
申请号 JP20050355721 申请日期 2005.12.09
申请人 TOYO INK MFG CO LTD 发明人 YOKOTE RYO;TSUCHIDA JUNICHI;SATO TAKESHI;SEGAWA NOBUYUKI
分类号 G02B5/20;C09B67/02;C09B67/04 主分类号 G02B5/20
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