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US 11,637,244 B2Granted
Light-emitting material, compound, and organic light-emitting element
AssigneesKyushu University, National University Corporation, Kyulux, Inc.
InventorsYan Geng, Chihaya Adachi, Hajime Nakanotani, Naoto Notsuka, Keiro Nasu
Life of this patent
Estimating the term…
Abstract
A compound represented by the following general formula is excellent in light emission properties. R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A represents a substituent in which Hammett's σp value is positive.
Claims15
An organic light-emitting element comprising a compound represented by the following general formula (1):
- wherein R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A is represented by the following general formula (9):
- wherein L19 represents a substituted or non-substituted arylene group, or a substituted or non-substituted heteroarylene group;
- A1 to A5 each independently represent N or C(R19) and at least one of A1 to A5 is N;
- and R19 represents a hydrogen atom or a substituent.
1 more element
A compound represented by the general formula (1):
- wherein R1 and R2 each independently represent a fluorinated alkyl group, D represents an aryl group substituted with a substituted or non-substituted diarylamino group in which Hammett's σp value is negative, and A is represented by the following general formula (9):
- wherein L19 represents a substituted or non-substituted arylene group, or a substituted or non-substituted heteroarylene group;
- A1 to A5 each independently represent N or C(R19) and at least one of A1 to A5 is N;
- and R19 represents a hydrogen atom or a substituent.
1 more element
Dependencies are inferred from the claim text.