Patent ID: 11957020
Assignee: TORAY INDUSTRIES, INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  G | IPC C  H

Claim 16:
17. A color conversion substrate comprising:
a pyrromethene derivative, wherein the pyrromethene derivative is a compound represented by the general formula (1) below:, where in the general formula (1), X is C—R7 or N, and R1 to R9 are the same as or different from one another and are each selected from hydrogen, alkyl group, cycloalkyl group, heterocyclic group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxy group, thiol group, alkoxy group, alkylthio group, aryl ether group, aryl thioether group, aryl group, heteroaryl group, halogen, cyano group, aldehyde group, carbonyl group, carboxy group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group, boryl group, sulfo group, phosphine oxide group, and fused ring and aliphatic ring formed with an adjacent substituent, and
wherein either R8 or R9 in the general formula (1) is a cyano group.