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    • 22. 发明申请
    • Organic electroluminescent element
    • 有机电致发光元件
    • US20060035109A1
    • 2006-02-16
    • US10527530
    • 2003-09-18
    • Takashi ArakaneToshihiro IwakumaChishio Hosokawa
    • Takashi ArakaneToshihiro IwakumaChishio Hosokawa
    • H05B33/12
    • H05B33/14C09K11/06C09K2211/1011C09K2211/1029C09K2211/1044C09K2211/185C09K2211/186C09K2211/188H01L51/006H01L51/0071H01L51/0079H01L51/0085H01L51/5016H01L51/5092
    • An organic electroluminescence device comprising a cathode, an anode and an organic thin film layer which is sandwiched between the cathode and the anode and comprises at least one layer containing a light emitting layer comprising a phosphorescent light emitting compound is provided. The device comprises an electron injecting layer which is adhered to the cathode and comprises at least one compound selected from metal chelate complexes with a ring having nitrogen atom, five-membered cyclic derivatives having nitrogen atom, non-condensed six-membered cyclic derivatives having nitrogen atom and condensed six-membered cyclic derivatives having nitrogen atom and one condensed carbon ring as the main component and at least one compound selected from alkali metals, alkali metal complexes, alkali metal compounds, alkaline earth metals, alkaline earth metal complexes, alkaline earth metal compounds, rare earth metals, rare earth metal complexes and rare earth metal compounds as the reductive dopant. The device uses phosphorescent light emission, exhibits a great efficiency of light emission and has a long life.
    • 提供一种有机电致发光器件,其包括阴极,阳极和夹在阴极和阳极之间的有机薄膜层,并且包括含有包含磷光发光化合物的发光层的至少一层。 该装置包括电子注入层,该电子注入层粘附于阴极并且包含至少一种选自具有氮原子的环的金属螯合物的化合物,具有氮原子的五元环衍生物,具有氮原子的非缩合六元环衍生物 具有氮原子和一个稠碳环作为主要成分的原子和缩合的六元环衍生物和至少一种选自碱金属,碱金属络合物,碱金属化合物,碱土金属,碱土金属络合物,碱土金属 化合物,稀土金属,稀土金属络合物和稀土金属化合物作为还原性掺杂剂。 该器件采用磷光发光,发光效率高,寿命长。