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Abstract

A photosensitive colored resin composition for the formation of colored images includes (a) a resin-based material hardenable with an acid, (b) a photoreactive acid-releasing agent, and (c) a pigment. A colored image formation method of a color filter suitable for liquid crystal display panel applications includes the steps of: (1) coating a photosensitive colored resin composition including (a) a resin-based material hardenable with an acid, (b) a photoreactive acid-releasing agent, and (c) a pigment on a transparent substrate, and drying the coating to form a colored resin layer; (2) pattern exposing the colored resin layer; (3) heating the exposed colored resin layer; and (4) developing the exposed and heated colored resin layer with an alkaline developing solution to form a colored image on the transparent substrate, the steps being repeated to form a multi-colored image on the same substrate. A formation method of a black matrix for the formation of a color filter having red, green, and blue picture elements and a black matrix provided on a transparent substrate includes the steps of: (1) coating a photosensitive black resin composition comprising (a) a resin-based material hardenable with an acid, (b) a photoreactive acid-releasing agent, and (c) a black pigment on a transparent substrate, and drying the coating to form a black resin layer; (2) pattern exposing the black resin layer; (3) heating the exposed black resin layer; and (4) developing the exposed and heated black resin layer.

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First Claim