Patent ID: 11858952
Assignee: LG CHEM, LTD.
Field: Optics (Instruments)
Classification: CPC C  G | IPC C  G

Claim 3:
4. The compound according to claim 1, wherein R2 and R5 are the same as or different from each other, and each independently —C(═O)ORa; an aryl group having 6 to 30 carbon atoms unsubstituted or substituted with one or more selected from the group consisting of a halogen group, CN, CF3, —C(═O)ORa, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heteroaryl group; or a heteroaryl group having 6 to 30 carbon atoms unsubstituted or substituted with an aryl group, and Ra is a substituted or unsubstituted alkyl group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heteroaryl group.