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    • 7. 发明申请
    • Organic Electroluminescent Element
    • 有机电致发光元件
    • US20070285008A1
    • 2007-12-13
    • US11660673
    • 2005-08-15
    • Shinji MatsuoHiroshi MiyazakiTaishi Tsuji
    • Shinji MatsuoHiroshi MiyazakiTaishi Tsuji
    • H01J1/63
    • H05B33/14C09K11/06C09K2211/1007C09K2211/1029C09K2211/1037C09K2211/1092C09K2211/185C09K2211/186H01L51/0081H01L51/0085H01L51/0087H01L51/5016
    • This invention relates to an organic electroluminescent element (organic EL element) utilizing phosphorescence which shows improved luminous efficiency and driving stability and has a simple structure. The organic EL element comprises an anode, organic layers containing a hole-transporting layer, a light-emitting layer, and an electron-transporting layer, and a cathode piled one upon another on a substrate with the hole-transporting layer disposed between the light-emitting layer and the anode and the electron-transporting layer disposed between the light-emitting layer and the cathode. The light-emitting layer contains a compound represented by the following general formula (I) as a guest material and an organic metal complex containing at least one metal selected from ruthenium, rhodium, palladium, silver, rhenium, osmium, iridium, platinum, and gold as a guest material; in general formula (I), R1-R6 are independently hydrogen atoms, alkyl groups, aralkyl groups, alkenyl groups, cyano groups, alkoxy groups, aromatic hydrocarbon groups, or aromatic heterocyclic groups.
    • 本发明涉及利用磷光的有机电致发光元件(有机EL元件),其显示出改善的发光效率和驱动稳定性并且具有简单的结构。 有机EL元件包括阳极,含有空穴传输层的有机层,发光层和电子传输层,以及在基板上彼此堆叠的阴极,空穴传输层设置在光 设置在发光层和阴极之间的阳极和电子传输层。 发光层含有作为客体材料的由以下通式(I)表示的化合物和含有选自钌,铑,钯,银,铼,锇,铱,铂的至少一种金属的有机金属络合物和 金作为客人材料; 在通式(I)中,R 1 -R 6独立地是氢原子,烷基,芳烷基,烯基,氰基,烷氧基,芳族烃基, 或芳族杂环基。