Patent ID: 11878962
Assignee: LG CHEM, LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 2:
3. The compound of claim 1, wherein L2 is a direct bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylene group, a substituted or unsubstituted terphenylene group, a substituted or unsubstituted quaterphenylene group, a substituted or unsubstituted naphthylene group, a substituted or unsubstituted anthracenylene group, a substituted or unsubstituted phenanthrenylene group, a substituted or unsubstituted triphenylenylene group, a substituted or unsubstituted pyrenylene group, a substituted or unsubstituted 9,9-dimethylfluorenylene group, a substituted or unsubstituted 9,9-diphenylfluorenylene group, a substituted or unsubstituted 9,9-methylphenylfluorenylene group, or a substituted or unsubstituted spiro[cyclopentane-1,9′-fluorenylene] group.