Organic electroluminescent compound and organic electroluminescent device comprising the same
The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure may be comprised in a light-emitting layer, and is effective for producing an organic electroluminescent device having high luminescent efficiency and/or excellent lifespan characteristic.
1 . An organic electroluminescent compound represented by the following formula 1-3:
wherein
R 1 to R 3 , R 5 to R 6 , and R 8 each represent hydrogen;
R 9 to R 16 each independently represent hydrogen or deuterium;
R 7 represents a phenyl substituted with deuterium or a biphenyl substituted with deuterium;
Ar 1 represents a phenyl substituted with deuterium or a biphenyl substituted with deuterium;
D N means that N hydrogen atoms are substituted with deuterium; and
N represents an integer of 8 to 26.
2 . The organic electroluminescent compound according to claim 1 , wherein N represents an integer of 13 to 26.
3 . An organic electroluminescent material comprising the organic electroluminescent compound according to claim 1 .
4 . An organic electroluminescent device comprising the organic electroluminescent compound according to claim 1 .
5 . The organic electroluminescent device according to claim 4 , wherein the organic electroluminescent compound is comprised in a light-emitting layer.