Organic electroluminescence element
    41.
    发明申请
    Organic electroluminescence element 有权
    有机电致发光元件

    公开(公告)号:US20060043859A1

    公开(公告)日:2006-03-02

    申请号:US10535310

    申请日:2003-11-13

    IPC分类号: H01J1/88

    摘要: An organic electroluminescence element comprising: an anode; a first emitting layer comprising at least a first host material and a first dopant; a second emitting layer comprising at least a second host material and a second dopant; and a cathode in the order mentioned: wherein the energy gap Egh1 of the first host material, the energy gap Egd1 of the first dopant, the energy gap Egh2 of the second host material, and the energy gap Egd2 of the second dopant satisfy the following formulas; and the luminescent intensity I1 at the maximum luminescent wavelength of an emission spectrum derived from the first emitting layer, and the luminescent intensity I2 at the maximum luminescent wavelength of an emission spectrum derived from the second emitting layer satisfy the following formula: Egh1>Egd1 Egh2>Egd2 Egd1>Egd2 I1>3.5×I2.

    摘要翻译: 一种有机电致发光元件,包括:阳极; 包括至少第一主体材料和第一掺杂剂的第一发光层; 第二发光层,包括至少第二主体材料和第二掺杂剂; 和阴极,其中第一主体材料的能隙E 1h 1,第一掺杂剂的能隙E gd 1,能隙E 第二主体材料的第二能隙和第二掺杂剂的能隙E gd 2满足下式: 并且从第一发光层得到的发光光谱的最大发光波长的发光强度I 1和来自第二发光层的发光光谱的最大发光波长的发光强度I 2满足下式: in-line-formula description =“In-line Formulas”end =“lead”?> E 1> E 1 <?in-line-formula description = “In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> E gd 2 <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> E-in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> I 1> 3.5xI 2. <?in-line-formula description =“In-line Formulas”end =“tail”?>

    Organic electroluminescent device
    43.
    发明授权
    Organic electroluminescent device 有权
    有机电致发光器件

    公开(公告)号:US06509109B1

    公开(公告)日:2003-01-21

    申请号:US09281953

    申请日:1999-03-31

    IPC分类号: H05B3300

    摘要: An organic EL device is improved to produce an increased luminance and have a prolonged lifetime. In an organic EL device comprising a cathode layer 16, an electron injection region 14, a light emission region 12 and an anode layer 10 as laminated in that order, the electron injection region 14 contains an aromatic compound composed of carbon and hydrogen or an aromatic compound composed of carbon, hydrogen and oxygen, along with a reducing dopant, and the electron affinity of the electron injection region is controlled to fall between 1.8 and 3.6 eV; or the electron injection region 14 contains an electron-transporting compound and a reducing dopant having a work function of at most 2.9 eV, and the electron affinity of the electron injection region is controlled to fall between 1.8 and 3.6 eV.

    摘要翻译: 有机EL器件被改进以产生增加的亮度并且具有延长的寿命。 在包括依次层叠的阴极层16,电子注入区域14,发光区域12和阳极层10的有机EL器件中,电子注入区域14含有由碳和氢或芳族化合物构成的芳族化合物 由碳,氢和氧组成的化合物以及还原性掺杂剂,电子注入区的电子亲和力控制在1.8和3.6eV之间; 或电子注入区域14含有电子传输性化合物和功函数为2.9eV以下的还原性掺杂剂,电子注入区域的电子亲和力控制在1.8〜3.6eV之间。

    Organic electroluminescence display device
    48.
    发明授权
    Organic electroluminescence display device 有权
    有机电致发光显示装置

    公开(公告)号:US08106582B2

    公开(公告)日:2012-01-31

    申请号:US10591688

    申请日:2005-02-18

    IPC分类号: H01L51/52 H01J9/24

    摘要: An organic electroluminescent display (1) including: a substrate (11); and a first organic electroluminescent device part (10) and a second organic electroluminescent device part (20) placed side by side on a surface of the substrate; the first organic electroluminescent device part (10) including at least a light reflective conductive layer (12), an organic luminescent medium layer (13), and a transparent electrode layer (15) in this order and including a light reflective layer (14) inside or outside of the organic luminescent medium layer (13) or the transparent electrode layer (15); the second organic electroluminescent device part (20) including at least a light reflective conductive layer (12), a first inorganic compound layer (21), an organic luminescent medium layer (13), and a transparent electrode layer (15) in this order and including a light reflective layer (14) inside or outside of the organic luminescent medium layer (13) or the transparent electrode layer (15); and an emission spectrum of light from the first organic electroluminescent device part (10) differing from an emission spectrum of light from the second organic electroluminescent device part (20).

    摘要翻译: 一种有机电致发光显示器(1),包括:基板(11); 以及并排放置在所述基板的表面上的第一有机电致发光器件部件(10)和第二有机电致发光器件部件(20) 第一有机电致发光器件部分(10),其至少包括光反射导电层(12),有机发光介质层(13)和透明电极层(15),并且包括光反射层(14) 在有机发光介质层(13)或透明电极层(15)的内部或外部; 第二有机电致发光器件部分(20)至少包括光反射导电层(12),第一无机化合物层(21),有机发光介质层(13)和透明电极层(15) 并且在有机发光介质层(13)或透明电极层(15)的内部或外部包括光反射层(14)。 以及来自第一有机电致发光器件部分(10)的光的发射光谱与来自第二有机电致发光器件部分(20)的光的发射光谱不同。

    Organic EL device
    49.
    发明授权
    Organic EL device 有权
    有机EL器件

    公开(公告)号:US08106391B2

    公开(公告)日:2012-01-31

    申请号:US12670490

    申请日:2008-09-26

    IPC分类号: H01L51/00 H01L51/30

    摘要: An organic EL device includes: an anode, a cathode and an organic thin-film layer interposed between the anode and the cathode, in which the organic thin-film layer includes: an emitting layer containing a host material and a phosphorescent material; and a hole transporting layer provided adjacent to the anode relative to the emitting layer. The hole transporting layer includes a first hole transporting layer and a second hole transporting layer that are sequentially layered on the anode, in which the first hole transporting layer contains an amino compound substituted by an aromatic substituent represented by a formula (1) below and the second hole transporting layer contains at least one of compounds represented by formulae (2) to (5) below.

    摘要翻译: 有机EL器件包括:阳极,阴极和介于阳极和阴极之间的有机薄膜层,其中有机薄膜层包括:含有主体材料和磷光材料的发射层; 以及相对于发光层与阳极相邻设置的空穴传输层。 空穴传输层包括依次层叠在阳极上的第一空穴传输层和第二空穴传输层,其中第一空穴传输层含有被下述式(1)表示的芳香族取代基取代的氨基化合物和 第二空穴传输层含有下述式(2)〜(5)表示的化合物中的至少一种。