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US 12,565,479 B2Granted
Organic electroluminescent compound and organic electroluminescent device comprising the same
AssigneeDuPont Specialty Materials Korea Ltd.
InventorsChi-Sik Kim, Soo-Yong Lee, Seung-Hoon Yoo, Dong-Hyung Lee
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Abstract
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.
Claims5
An organic electroluminescent compound represented by the following formula 1-3:
- wherein
- R1 to R3, R5 to R6, and R8 each represent hydrogen;
- R9 to R16 each independently represent hydrogen or deuterium;
- R7 represents a phenyl substituted with deuterium or a biphenyl substituted with deuterium;
- Ar1 represents a phenyl substituted with deuterium or a biphenyl substituted with deuterium;
- DN means that N hydrogen atoms are substituted with deuterium;
- and
- N represents an integer of 8 to 26.
5 more elements
Dependencies are inferred from the claim text.