Patent ID: 8017670

Claim:
An epoxy resin composition for optical-semiconductor encapsulation, which comprises the following ingredients (A) to (D): (A) an epoxy resin; (B) a curing agent; (C) a naphthalocyanine colorant, and (D) a phthalocyanine colorant, wherein the composition has a maximum transmittance of 10% or higher in the visible light region of from 450 to 650 nm and a transmittance in the near infrared region of from 750 to 900 nm of 5% or lower when being molded into a 1 mm thick molded object, wherein the naphthalocyanine colorant and the phthalocyanine colorant are each present in an amount of 0.001 to 0.3 parts by weight with respect to 100 parts by weight of the epoxy resin, wherein the ingredient (D) is represented by the formula (2): wherein R is alkyl or alkoxyalkyl; M is a vanadyl; and X is a halogen atom.