Patent ID: 11926591
Assignee: ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The organic electroluminescent compound according to claim 1, wherein
Z represents NR2, O or S;
La represents a single bond, an unsubstituted (C6-C15)arylene, or an unsubstituted (5- to 15-membered)heteroarylene;
Ar represents an unsubstituted (C6-C15)aryl, a (5- to 15-membered)heteroaryl unsubstituted or substituted with a (C6-C15)aryl, a di(C6-C15)arylamino unsubstituted or substituted with a (C1-C6)alkyl, or an unsubstituted (C6-C15)aryl(5- to 15-membered)heteroarylamino;
R1 represents hydrogen;
R7 represents hydrogen, an unsubstituted (C6-C15)aryl, a (5- to 15-membered)heteroaryl unsubstituted or substituted with a (C6-C15)aryl, a di(C6-C15)arylamino unsubstituted or substituted with a (C1-C6)alkyl, or an unsubstituted (C6-C15)aryl(5- to 15-membered)heteroarylamino; and
a is 1 or 2.