646517-01-3Relevant articles and documents
RED PIGMENT COMPOSITION FOR COLOR FILTER
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Page/Page column 55, (2020/01/24)
Disclosed is a pigment composition which comprises (a) a pigment of formula wherein Ar1 is phenylene or C2-C6-heteroarylene, Ar2 is C6-C10-aryl or C2_C6-heteroaryl; and (b) a pigment derivative of formula ( PM - C X1 ). (II), wherein P1 is a residue of a colorant chromophore, X1 is a group comprising an aliphatic carboxamide group, an aliphatic sulfonamide group, a carboxylic acid group or salt thereof, and m is 1, 2, 3 or 4. The pigment composition is suitable to color organic material, especially photosensitive resist formulations for use in color filter applications having high contrast ratios.