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US 2026/0020428 A1Published application
Organic electroluminescent compound and organic electroluminescent device comprising the same
OwnerEun-Joung CHOI, HaeYeon KIM +2inventors
InventorsEun-Joung CHOI, HaeYeon KIM, Seung-Hyun YOON, So-Mi PARK
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Abstract
The present disclosure relates to an organic electroluminescent compound represented by Formula 1, an organic electroluminescent material, an N-type charge-generating material, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound, the organic electroluminescent material, or the N-type charge-generating material of the present disclosure, an organic electroluminescent device having improved luminous efficiency and/or lifetime characteristics can be provided.
Claims9
An organic electroluminescent compound represented by the following Formula 1:
- wherein in Formula 1,
- R1 represents hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted phenyl, a substituted or unsubstituted biphenyl, a substituted or unsubstituted terphenyl, a substituted or unsubstituted (C1-C30)alkyl, or a substituted or unsubstituted (3- to 30-membered)heteroaryl;
- and
- R2 to R8 each independently represent hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C2-C30)alkenyl, a substituted or unsubstituted (C6-C30)aryl, a substituted or unsubstituted (3- to 30-membered)heteroaryl, a substituted or unsubstituted (C3-C30)cycloalkyl, a substituted or unsubstituted (C3-C30)cycloalkenyl, a substituted or unsubstituted (3- to 7-membered)heterocycloalkyl, a substituted or unsubstituted (C1-C30)alkoxy, a substituted or unsubstituted tri(C1-C30)alkylsilyl, a substituted or unsubstituted di(C1-C30)alkyl(C6-C30)arylsilyl, a substituted or unsubstituted (C1-C30)alkyldi(C6-C30)arylsilyl, a substituted or unsubstituted tri(C6-C30)arylsilyl, a substituted or unsubstituted fused ring group of a (C3-C30) aliphatic ring(s) and a (C6-C30) aromatic ring(s), or HAr defined by the following Formula 1-a;
- or may be linked to an adjacent substituent(s) to form a ring(s);
- with a proviso that at least one of R2 to R8 is represented by HAr defined by Formula 1-a,
- wherein X1 to X4 each independently represent N or CR9;
- L represents a single bond, a substituted or unsubstituted (C6-C30)arylene, or a substituted or unsubstituted (3- to 30-membered)heteroarylene;
- R9 to R11 each independently represent hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted (C2-C30)alkenyl, a substituted or unsubstituted (C6-C30)aryl, a substituted or unsubstituted (3- to 30-membered)heteroaryl, a substituted or unsubstituted (C3-C30)cycloalkyl, a substituted or unsubstituted (C3-C30)cycloalkenyl, a substituted or unsubstituted (3- to 7-membered)heterocycloalkyl, a substituted or unsubstituted (C1-C30)alkoxy, a substituted or unsubstituted tri(C1-C30)alkylsilyl, a substituted or unsubstituted di(C1-C30)alkyl(C6-C30)arylsilyl, a substituted or unsubstituted (C1-C30)alkyldi(C6-C30)arylsilyl, a substituted or unsubstituted tri(C6-C30)arylsilyl, a substituted or unsubstituted fused ring group of a (C3-C30) aliphatic ring(s) and a (C6-C30) aromatic ring(s), or are bonded to L;
- or may be linked to an adjacent substituent(s) to form a ring(s);
- and
- a represents an integer of 1 to 4, b represents an integer of 1 or 2, and if a and b are integers of 2 or more, each a and each b may be the same as or different from each other,
- with a proviso that if R8 is HAr in Formula 1, and at least one of X1 to X4 of Formula 1-a is N, R1 is hydrogen, deuterium, a halogen, a cyano, a substituted or unsubstituted (C1-C30)alkyl, a substituted or unsubstituted phenyl, a substituted or unsubstituted biphenyl, or a substituted or unsubstituted terphenyl.
10 more elements
Dependencies are inferred from the claim text.