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    • 94. 发明申请
    • Organic electroluminescent device
    • 有机电致发光器件
    • US20070104977A1
    • 2007-05-10
    • US11304885
    • 2005-12-16
    • Takashi ArakaneHitoshi KumaKenichi FukuokaHiroshi YamamotoChishio Hosokawa
    • Takashi ArakaneHitoshi KumaKenichi FukuokaHiroshi YamamotoChishio Hosokawa
    • H01L51/54
    • H01L51/0072H01L51/0054H01L51/0056H01L51/0058H01L51/006H01L51/5012H01L51/5048
    • An organic electroluminescent device 1 comprising, an emitting layer (50) and an electron-transporting layer (60) between a cathode (80) and an anode (20), the electron-transporting layer (60) comprising a compound represented by formula (1), the emitting layer (50) comprising a host material which is a compound with an energy gap of 2.8 eV or less represented by formula (2) and a dopant which is an indenoperylene derivative, A-B   (1) wherein A is an aromatic hydrocarbon group with three or more carbocycles and B is a substituted or unsubstituted heterocyclic group, X—(Y)n   (2) wherein X is a condensed aromatic ring group with three or more carbocycles, Y is a group selected from substituted or unsubstituted aryl, substituted or unsubstituted diarylamino, substituted or unsubstituted arylalkyl and substituted or unsubstituted alkyl groups, and n is an integer of 1 to 6, provided that Ys may be the same or different when n is 2 or more.
    • 一种有机电致发光器件1,包括在阴极(80)和阳极(20)之间的发光层(50)和电子传输层(60),所述电子传输层(60)包含由式 1),包含主体材料的发光层(50),该主体材料是由式(2)表示的能隙为2.8eV或更小的化合物和作为茚二炔衍生物的掺杂剂,<β在线公式描述= “在线公式”end =“lead”?> AB(1)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中A是具有三个或更多个 碳环和B是取代或未取代的杂环基,<?在线公式描述=“在线公式”end =“lead”→> X-(Y)<2> 式中X是具有3个以上碳环的稠环芳基,Y是选自取代或未取代的芳基,亚基 取代或未取代的二芳基氨基,取代或未取代的芳烷基和取代或未取代的烷基,n为1至6的整数,条件是当n为2以上时,Y可以相同或不同。