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The present invention relates to a compound for a cover layer and an organic light-emitting device including the same. The compound for a cover layer according to an example of the present invention is suitable for an organic light-emitting device, and ca
A novel organic compound is provided. In particular, a novel organic compound which can improve the element characteristics of a light-emitting element is provided. A novel light-emitting element with high emission efficiency, low driving voltage, and high reliability is provided. An organic compound including an amine skeleton and a benzo[b]naphtho[1,2-d]furan skeleton is provided. A light-emitting element including the organic compound is provided.
An organic optoelectric deviceincludes an anode and a cathode facing each other, an emission layer between the anode and the cathode, a hole transport layer between the anode and the emission layer, and a hole transport auxiliary layer between the hole transport layer and the emission layer, wherein the hole transport auxiliary layer includes a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2 or a combination of Chemical Formulae 3 and 4, and a display device is disclosed. Explanations of Chemical Formulae 1 to 3 are the same as described in specification.
An aromatic amine derivative having a specific structure. An organic electroluminescence device which is composed of one or more organic thin film layers sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers especially a hole transporting layer, contains the aromatic amine derivative. The aromatic amine derivative has at least one substituted or unsubstituted dibenzofuran skeleton and at least one substituted or unsubstituted terphenylene skeleton. Because the molecules in the aromatic amine derivative hardly crystallize, organic electroluminescence devices improving their production yield and having prolonged lifetime are provided.
4-bromo-p-terphenyl
![bis(4-(dibenzo[b,d]furan-4-yl)phenyl)amine](/upload/2023/2/6a8ad88b-e9c7-41f9-b725-42fb6e4e7ffa.png)
bis(4-(dibenzo[b,d]furan-4-yl)phenyl)amine
![N,N-bis[4-(dibenzofuran-4-yl)phenyl]-4-amino-p-terphenyl](/upload/2023/2/a0a92029-56d3-442f-a81c-632197d4f91e.png)
N,N-bis[4-(dibenzofuran-4-yl)phenyl]-4-amino-p-terphenyl
| Conditions | Yield |
|---|---|
|
With
tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate;
In
toluene;
for 4h;
Inert atmosphere;
Reflux;
|
91% |
4-(4-bromophenyl)dibenzofuran
![N-(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1’:4',1''-terphenyl]-4-amine](/upload/2023/2/073b8afa-8aaf-4177-9e6f-5080e046edd3.png)
N-(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1’:4',1''-terphenyl]-4-amine
N,N-bis[4-(dibenzofuran-4-yl)phenyl]-4-amino-p-terphenyl
| Conditions | Yield |
|---|---|
|
With
tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine; sodium t-butanolate;
In
toluene;
Reflux;
|
67% |
4-dibenzofurylboronic acid
N,N-bis(4-bromophenyl)-4-amino-p-terphenyl
4-N,N-diphenylamino-1-bromobenzene
4-biphenylboronic acid
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