Light-emitting device using the color converting optical components and the color converting optical components using a composition comprising a color conversion material, the material, the composition

摘要

PROBLEM TO BE SOLVED: To provide a chromatic transformation material of long service life with high durability, to provide a composition including the material, to obtain a chromatic transformation optical component by molding the composition, and to provide a light-emitting device using the optical component. ;SOLUTION: This chromatic transformation material comprises a pyridine- phthalimide condensed derivative which is preferably a compound of general formula 1 or 2 [R₁ and R₂ are each H or a (substituted) alkyl or aryl; X₁ to X₄ and Y₁ to Y₁₀ are each H, a halogen atom, (substituted) straight-chain, branched or cyclic alkyl, alkoxy, alkylthio, alkenyl, alkenyloxy, alkenylthio, aralkyl, aralkyloxy, aralkylthio, aryl, aryloxy, arylthio, amino, cyano, OH, nitro or the like, respectively], a tautomer thereof or zinc complex thereof.;COPYRIGHT: (C)2003,JPO