Patent ID: 6756165
Filing Date: 2004-06-29
Classification: G03F,H01L

Abstract:
A barrier rib for an EL display element which is formed from a radiation sensitive resin composition comprising (A) an alkali soluble resin selected from the group consisting of a novolak resin, a homopolymer of a radical polymerizable monomer having a phenolic hydroxyl group, a homopolymer of a radical polymerizable monomer have a carboxyl group, and an epoxy group-containing a copolymer of at least one unsaturated carboxylic monomer selected from the group consisting of an unsaturated carboxylic acid and an unsaturated carboxylic anhydride, an epoxy group-containing unsaturated monomer and another olefinic unsaturated monomer other than said at least one unsaturated carboxylic monomer and said epoxy-group-containing unsaturated monomer (B) a polymerizable compound having an ethylenically unsaturated bond, and (C) a radiation sensitive polymerization initiator, on a substrate, said barrier rib having a trapezoidal cross section form with a longer top side than the bottom side on the substrate and an angle formed by a straight line connecting the upper pattern edge and the lower pattern edge and the top side of 15 to 75Â°.