RHODAMINE COMPOUND, FILM CONTAINING THE SAME, OPTICAL FILTER FOR IMAGE DISPLAY, COLOR CONVERSION LAYER, COLOR CONVERSION FILTER USING THE SAME AND COLOR CONVERSION LIGHT-EMITTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a rhodamine compound having excellent light fastness and heat resistance, and to provide a color conversion layer including a color conversion pigment that has high stability to decomposition in the color conversion from blue or blue-green color to red color and keeps high color conversion efficiency even when the rhodamine content is increased.;SOLUTION: This invention is a rhodamine compound having the chemical structure represented by general formula (I) (wherein R₁-R₁₁ are each H, a substituted alkyl or the like); in addition, a film including the same; an optical filter, further a color conversion layer including the rhodamine compound and a binder; a color conversion filter using the same; and a color conversion light-emitting device.;COPYRIGHT: (C)2005,JPO&NCIPI