Organic electroluminescence device
    97.
    发明申请
    Organic electroluminescence device 审中-公开
    有机电致发光器件

    公开(公告)号:US20090072732A1

    公开(公告)日:2009-03-19

    申请号:US12289590

    申请日:2008-10-30

    IPC分类号: H01J1/63

    摘要: An organic electroluminescence device comprising a cathode, an anode and, sandwiched between the cathode and the anode, at least a hole transporting layer and a light emitting layer containing a phosphorescent light emitting material and a host material, wherein the hole transporting layer comprises a hole transporting material having a triplet energy of 2.52 to 3.70 eV and a hole mobility of 10−6 cm2/Vs or higher as measured at a field intensity of 0.1 to 0.6 MV/cm. Thus, the organic electroluminescence device utilizing a phosphorescent light emission according to the present invention can exhibit a favorable current efficiency and a long lifetime.

    摘要翻译: 一种有机电致发光器件,包括阴极,阳极和夹在阴极和阳极之间的至少一个空穴传输层和含有磷光发光材料和主体材料的发光层,其中空穴传输层包括孔 在0.1〜0.6MV / cm的场强测定时,具有2.52〜3.70eV的三重态能量和10 -6 cm 2 / Vs以上的空穴迁移率的材料。 因此,利用根据本发明的磷光发光的有机电致发光器件可以表现出良好的电流效率和长的寿命。

    ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    98.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件和有机电致发光器件材料

    公开(公告)号:US20090009065A1

    公开(公告)日:2009-01-08

    申请号:US12108066

    申请日:2008-04-23

    IPC分类号: H01L51/54 C07C13/48 C07F7/08

    摘要: An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer includes at least one phosphorescent material and a host material represented by the following Formula (1). Ra—Ar1—Ar2—Rb   (1) In Formula (1):Ra and Rb each represent a substituted or non-substituted benzene ring or a substituted or non-substituted condensed aromatic hydrocarbon ring selected from a group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring and a picene ring; andAr1 and Ar2 each represent a substituted or non-substituted benzene ring or a substituted or non-substituted condensed aromatic hydrocarbon ring selected from a group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring and a picene ring.

    摘要翻译: 有机电致发光器件包括:阴极; 阳极; 以及设置在阴极和阳极之间的单层或多层有机薄膜层。 在有机电致发光器件中,有机薄膜层包括至少一个发光层,并且至少一个发光层包含至少一种磷光材料和由下式(1)表示的主体材料。 <?in-line-formula description =“In-line Formulas”end =“lead”?> Ra-Ar1-Ar2-Rb(1)<?in-line-formula description =“In-line Formulas”end = 尾“→在式(1)中:Ra和Rb各自表示取代或未取代的苯环或取代或未取代的稠合芳族烃环,其选自萘环,烯环,荧蒽 环,三亚苯环,菲环,苯并菲环,二苯并菲环,苯并三苯环,苯并环和吡啶环; Ar 1和Ar 2各自表示取代或未取代的苯环或选自萘环,烯环,荧蒽环,三亚苯环,苯并菲环的取代或未取代的稠合芳族烃环 ,二苯并菲环,苯并三亚苯环,苯并环和吡烯环。