Organic electroluminescent device
    5.
    发明授权
    Organic electroluminescent device 有权
    有机电致发光器件

    公开(公告)号:US08273467B2

    公开(公告)日:2012-09-25

    申请号:US11711689

    申请日:2007-02-28

    摘要: An organic electroluminescent device, which comprises: a pair of electrodes; and an organic compound layer including a light-emitting layer between the pair of electrodes, wherein the organic compound layer comprises a compound represented by formula (I): wherein Z1, Z2, Z3 and Z4 each independently represents an atom selected from the group consisting of carbon, nitrogen, sulfur and oxygen and necessary for forming an unsaturated 6-membered ring skeleton, the atom may have a hydrogen atom or a substituent; a bond in the unsaturated 6-membered ring indicates a single bond or a double bond; and R1 represents a substituent.

    摘要翻译: 一种有机电致发光器件,其包括:一对电极; 以及在所述一对电极之间包含发光层的有机化合物层,其中所述有机化合物层包含由式(I)表示的化合物:其中Z 1,Z 2,Z 3和Z 4各自独立地表示选自以下的原子: 的碳,氮,硫和氧,并且是形成不饱和6元环骨架所必需的,该原子可以具有氢原子或取代基; 不饱和6-元环中的键表示单键或双键; 并且R 1表示取代基。

    Organic electroluminescence element
    6.
    发明授权
    Organic electroluminescence element 有权
    有机电致发光元件

    公开(公告)号:US08129897B2

    公开(公告)日:2012-03-06

    申请号:US12178455

    申请日:2008-07-23

    IPC分类号: H01L51/50

    摘要: The present invention provides an organic electroluminescence element having at least a light-emitting layer disposed between a pair of electrodes, wherein the light-emitting layer includes at least two electron transporting materials and a hole transporting host material, with at least one of the electron transporting materials being an electron transporting light-emitting material, and a total concentration of the at least two electron transporting materials in the light-emitting layer decreases from a cathode side toward an anode side.

    摘要翻译: 本发明提供了一种有机电致发光元件,其至少具有设置在一对电极之间的发光层,其中所述发光层包括至少两个电子传输材料和空穴传输主体材料,所述至少一个电子 作为电子输送性发光材料的输送材料,并且发光层中的至少两个电子输送材料的总浓度从阴极侧向阳极侧减小。

    Organic electroluminescent element having plurality of light emitting layers with specific thicknesses
    7.
    发明授权
    Organic electroluminescent element having plurality of light emitting layers with specific thicknesses 有权
    具有多个具有特定厚度的发光层的有机电致发光元件

    公开(公告)号:US07663309B2

    公开(公告)日:2010-02-16

    申请号:US11902899

    申请日:2007-09-26

    IPC分类号: H01L51/00 H05B33/02

    摘要: In an organic EL element, a light-emitting layer is divided into at least three layers in a thickness direction including a light-emitting layer A close to an anode, a light-emitting layer C close to a cathode and a light-emitting layer B between the light-emitting layers A and C, wherein in one embodiment a thickness (a) of the light-emitting layer A, a thickness (c) of the light-emitting layer C and a thickness (b) of the light-emitting layer B satisfy the relationship of a b>c is satisfied, and an intermediate layer containing a hole blocking material is disposed between the divided light-emitting layers.

    摘要翻译: 在有机EL元件中,发光层在包括靠近阳极的发光层A,靠近阴极的发光层C和发光层的发光层的厚度方向上分成至少三层 B,其中在一个实施例中,发光层A的厚度(a),发光层C的厚度(c)和发光层A的厚度(b) 发光层B满足a b> c的关系,并且在划分的发光层之间设置包含空穴阻挡材料的中间层。

    ORGANIC ELECTROLUMINESCENCE ELEMENT
    8.
    发明申请
    ORGANIC ELECTROLUMINESCENCE ELEMENT 有权
    有机电致发光元件

    公开(公告)号:US20090026938A1

    公开(公告)日:2009-01-29

    申请号:US12178445

    申请日:2008-07-23

    IPC分类号: H01J1/63

    摘要: An organic electroluminescence element including an organic layer including a light-emitting layer disposed between a pair of electrodes, wherein the light-emitting layer contains at least one hole transporting light-emitting material and at least one electron-transporting host material, and a concentration of the hole transporting light-emitting material in the light-emitting layer decreases from an anode side toward a cathode side.

    摘要翻译: 一种有机电致发光元件,包括具有设置在一对电极之间的发光层的有机层,其中所述发光层包含至少一个空穴传输发光材料和至少一个电子传输基质材料,并且浓度 在发光层中的空穴传输发光材料从阳极侧向阴极侧减小。