Patent ID: 7879929

Claim:
Laser-welded product wherein a laser ray transmitting member made of a laser ray transmitting colored resin composition which contains a thermoplastic resin or a thermoplastic elastomer and a quinophthalone compound represented by Formula (1) or (2) below and a laser ray absorbing member made of a resin composition having a thermoplastic resin or a thermoplastic elastomer, and having a laser ray absorbing layer, have been welded by laser welding with laser ray that has penetrated said laser ray transmitting member: in each of Formulas (1) and (2), each of R 1 to R 8 in Formula (1) and R 1 to R 4 and R 9 to R 14 in Formula (2) independently represents a hydrogen atom, a nitro group, a mercapto group, a carboxyl group, a cyano group, a thiocyano group, a halogen atom, an alkyl group, a cycloalkyl group, an aryl group, an amino group, an acyl group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, an acyloxy group, an alkylsulfonyloxy group, an arylsulfonyloxy group, an alkoxycarbonyloxy group, an aryloxycarbonyloxy group, an alkoxycarbonyl group, a cycloalkyloxycarbonyl group, an aryloxycarbonyl group, a heterocyclic oxycarbonyl group, a carbamoyl group, a sulfamoyl group, an alkylsulfonyl group, an arylsulfonyl group, an alkylthio group, an arylthio group, a heterocyclic thio group, an alkoxysulfonyl group, a cycloalkyloxysulfonyl group, an aryloxysulfonyl group, or a heterocyclic oxysulfonyl group; at least one of R 5 to R 8 in Formula (1) is a carboxyl group, and at least one of R 9 to R 14 in Formula (2) is a carboxyl group.