Patent ID: 9110350
Filing Date: 2015-08-18
Classification: C09B,C09K,G02F,G03F,H01L,H05B,Y02E

Abstract:
1. A color conversion light-emitting device comprising: a luminescent part; and a color conversion filter having a wavelength conversion capability, which contains at least one kind of squarylium dye that radiates fluorescence light, wherein the squarylium dye is a compound represented by the following general formula (1), (2) or (3): wherein A represents a group selected from (a) to (k) in the following Group I, and A′ represents a group selected from (a′) to (k′) in the following Group II; wherein ring B and ring B′ each represents a benzene ring, a naphthalene ring, a phenanthrene ring or a pyridine ring, R R R X and X′ each represents an oxygen atom, a sulfur atom, a selenium atom, —CR R Y, Y′ and Y r and r′ each represents 0 or a number that can be substituted in (a) to (k) or (a′) to (k′).