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Organic electroluminescent device

專利號
US11177444B2
公開日期
2021-11-16
申請人
LG CHEM, LTD.(KR Seoul)
發(fā)明人
Dongheon Kim; Kongkyeom Kim; Hyungjin Lee; Nansra Heo; Woochul Lee
IPC分類
C07C15/28; C07D471/10; C07D251/24; H01L51/00; H01L51/50; C07D307/91; C09K11/06
技術(shù)領(lǐng)域
group,or,aryl,heteroaryl,atoms,carbon,alkyl,layer,host,material
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 Chemical Formula 3,

R100 is hydrogen; deuterium; a halogen group; a cyano group; a nitro group; a hydroxyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted aryl group; a substituted or unsubstituted fluorenyl group; a substituted or unsubstituted carbazole group; or a substituted or unsubstituted heteroaryl group, x is an integer of 1 to 6, and when x is 2 or greater, R100s are the same as or different from each other,

L11 to L14 are the same as or different from each other, and each independently a direct bond; or a substituted or unsubstituted arylene group, u, v, w and y are each an integer of 1 or 2, and when u is 2, L11s are the same as or different from each other, when v is 2, L12s are the same as or different from each other, when w is 2, L13s are the same as or different from each other, and when y is 2, L14s are the same as or different from each other,

權(quán)利要求

1
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