Organic electroluminescent compounds and an organic electroluminescent device comprising the same
View Patent ↗The present disclosure relates to novel organic electroluminescent compounds and an organic electroluminescent device comprising the same. By using the organic electroluminescent compound of the present disclosure, the organic electroluminescent device may improve driving lifespan while maintaining equal or greater efficiency compared to conventional devices.
1. An organic electroluminescent compound represented by formula 1:
wherein
Ar1 represents a substituted phenyl, or a substituted or unsubstituted (C10-C30)aryl;
L represents a phenylene;
R1 represents hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, or a substituted or unsubstituted (C6-C30)aryl;
a represents an integer of 0 to 4; where a represents an integer of 2 or more, each of R1 may be the same or different.
2. The organic electroluminescent compound according to claim 1 ,
wherein Ar1 represents a substituted phenyl, or a substituted or unsubstituted (C10-C15)aryl;
L represents a phenlylene;
R1 represents hydrogen, a substituted or unsubstituted (C1-C10)alkyl, or a substituted or unsubstituted (C6-C15)aryl.
3. The organic electroluminescent compound according to claim 1 ,
wherein Ar1 represents (C10-C15)aryl unsubstituted or substituted with a (C1-C10)alkyl, a halogen, a cyano or deuterium; L represents a phenlylene;
R1 represents hydrogen, or an unsubstituted (C6-C15)aryl.
4. The organic electroluminescent compound according to claim 1 ,
wherein the substituents of the substituted alkyl, the substituted phenyl or the substituted aryl, each independently, are at least one selected from the group consisting of deuterium, a halogen, a cyano, a carboxyl, a nitro, a hydroxyl, a (C1-C30)alkyl, a halo(C1-C30)alkyl, a (C2-C30)alkenyl, a (C2-C30)alkynyl, a (C1-C30)alkoxy, a (C1-C30)alkylthio, a (C3-C30)cycloalkyl, a (C3-C30)cycloalkenyl, a (3- to 7-membered)heterocycloalkyl, a (C6-C30)aryloxy, a (C6-C30)arylthio, a (3- to 30-membered)heteroaryl unsubstituted or substituted with a (C6-C30)aryl, a (C6-C30)aryl unsubstituted or substituted with a (3- to 30-membered)heteroaryl, a tri(C1-C30)alkylsilyl, a tri(C6-C30)arylsilyl, a di(C1-C30)alkyl(C6-C30)arylsilyl, a (C1-C30)alkyldi(C6-C30)arylsilyl, an amino, a mono- or di-(C1-C30)alkylamino, a mono- or di-(C6-C30)arylamino, a (C1-C30)alkyl(C6-C30)arylamino, a (C1-C30)alkylcarbonyl, a (C1-C30)alkoxycarbonyl, a (C6-C30)arylcarbonyl, a di(C6-C30)arylboronyl, a di(C1-C30)alkylboronyl, a (C1-C30)alkyl(C6-C30)arylboronyl, a (C6-C30)aryl(C1-C30)alkyl and a (C1-C30)alkyl(C6-C30)aryl.
5. The organic electroluminescent compound according to claim 1 ,
wherein the compound represented by formula 1 is selected from the group consisting of:
6. An organic electroluminescent device comprising the compound according to claim 1 .