Patent ID: 8304470

Claim:
A resin composition for optical components, which is an ultraviolet-curable transparent resin composition used as a material for an optical component, wherein said resin composition comprises the following components (A) to (C): (A) an epoxy resin having two or more epoxy groups in one molecule thereof; (B) an oxetane compound having one or more oxetanyl groups in one molecule thereof; and (C) an onium salt comprising an anion component represented by the following formula (1) and a cation component: [PF n (X) 6−n ] − (1) wherein n is an integer of 1 to 5, and X is a fluorinated alkyl group having a carbon number of 1 to 9 or a fluorinated phenyl group as a photo-acid generator; and wherein the component (C) is contained in an amount of 0.01 to 2.0 parts by weight based on 100 parts by weight of a total amount of the components (A) and (B).