Patent ID: 7270939
Filing Date: 2007-09-18
Classification: G03F

Abstract:
1. A negative photoresist composition for light diffuse reflecting film of the display panel comprising: (a) 8 to 90% by weight of an alkali-soluble resin; (b) 1 to 30% by weight of a polyfunctional monomer; (c) 0.1 to 20% by weight of a photopolymerization initiator; (d) 0.1 to 20% by weight of a thermosetting cross-linking reagent; (e) 0.01 to 10% by weight of an ultraviolet absorber; and (f) 8 to 90% by weight of a solvent wherein said (f) solvent is selecting from the group consisting of ethylene glycol monomethyl ether acetate, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, diethylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, cyclohexanone, 2-heptanone, 3-heptanone, ethyl 2-hydroxypropionate, ethyl 3-methoxypropionate, methyl 2-ethoxypropionate, ethyl 3-ethoxypropionate, 3-methyl-3-methoxybutyl propionate, n-butyl acetate, i-butyl acetate, n-amyl formate, i-amyl acetate, n-butyl propionate, ethyl butyrate, i-propyl butyrate, n-butyl butyrate and ethyl pyruvate.