Organic electroluminescent device
地域：
Seoul
摘要
The present specification relates to an organic electroluminescent device comprising: a first electrode; a second electrode; and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer comprises a light emitting layer and an electron transfer layer, the light emitting layer comprises a first host material, a second host material and a dopant material, the first host material has a HOMO energy level of ?5.9 eV or lower, and the second host material has a HOMO energy level higher than a HOMO energy level of the first host material by 0.1 eV to 0.2 eV.
說明書
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In the present specification, descriptions on the aryl group provided above may be applied to the arylene group except for being a divalent.
In the present specification, descriptions on the heteroaryl group provided above may be applied to the heteroarylene group except for being a divalent.
According to one embodiment of the present specification, the electron transfer layer comprises a compound having a structure of an electron donor and an electron acceptor bonding to each other.
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