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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According to one embodiment of the present specification, Ar6 and Ar7 are the same as or different from each other, and each independently an aryl group having 6 to 50 carbon atoms unsubstituted or substituted with an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, a halogen group, a cyano group, a silyl group, a heteroaryl group or a substituent formed with two or more combinations thereof; or a heteroaryl group having 2 to 50 carbon atoms unsubstituted or substituted with an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, a halogen group, a cyano group, a silyl group, a heteroaryl group or a substituent formed with two or more combinations thereof.
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