Patent ID: 11925107
Assignee: HODOGAYA CHEMICAL CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 1:
2. The organic electroluminescent device according to claim 1, wherein Ar1 to Ar3 in the general formula (1) represent a substituted or unsubstituted phenyl, a substituted or unsubstituted biphenylyl, or a substituted or unsubstituted terphenylyl, and wherein, when Ar1 to Ar3 in the general formula (1) have the substituents, the substituents of Ar1 to Ar3 in the general formula (1) are one or more of cyano; nitro; a halogen atoms; a linear or a branched alkyloxy of 1 to 6 carbon atoms; an aryloxy; an arylalkyloxy; an aromatic hydrocarbon group, a condensed polycyclic aromatic group, or an aromatic heterocyclic group.