ORGANIC LIGHT EMITTING DEVICE
    12.
    发明申请

    公开(公告)号:US20170288147A1

    公开(公告)日:2017-10-05

    申请号:US15447704

    申请日:2017-03-02

    Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

    ORGANIC ELECTROLUMINESCENCE DEVICE
    13.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20150188057A1

    公开(公告)日:2015-07-02

    申请号:US14583011

    申请日:2014-12-24

    Abstract: An organic electroluminescence (EL) device, including an anode; a cathode; and an emission layer between the anode and the cathode, the emission layer emitting a light via a singlet excited state, a stacking structure of at least three layers having different components being provided between the anode and the emission layer, wherein the stacking structure includes: a first layer including an electron accepting compound having a lowest unoccupied molecular orbital (LUMO) level of about −9.0 eV to about −4.0 eV; a second layer including a compound represented by the following Formula (1), the second layer being closer to the emission layer than the first layer; and a third layer including a compound represented by the following Formula (2), the third layer being closer to the emission layer than the second layer, wherein the emission layer includes a compound represented by the following Formula (3).

    Abstract translation: 一种有机电致发光(EL)器件,包括阳极; 阴极 以及在所述阳极和所述阴极之间的发光层,所述发光层经由单重激发态发光,在所述阳极和所述发光层之间设置具有不同成分的至少三层的堆叠结构,其中所述堆叠结构包括: 包括具有约-9.0eV至约-4.0eV的最低未占分子轨道(LUMO)水平的电子接受化合物的第一层; 第二层,其包含由下式(1)表示的化合物,所述第二层比所述第一层更靠近所述发光层; 和包含由下式(2)表示的化合物的第三层,第三层比第二层更靠近发光层,其中发光层包括由下式(3)表示的化合物。

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