ORGANIC ELECTROLUMINESCENT DEVICE
    45.
    发明申请
    ORGANIC ELECTROLUMINESCENT DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20080268285A1

    公开(公告)日:2008-10-30

    申请号:US12103162

    申请日:2008-04-15

    IPC分类号: H05B33/14

    摘要: Provided is an organic electroluminescent device for emitting blue light, which has high luminous efficiency and good drive durability. This organic electroluminescent device for emitting blue light includes an anode 2, a cathode 6, and a layer which contains an organic compound interposed between the anode 2 and the cathode 6, the layer which contains an organic compound including at least a light-emitting layer 4, wherein the light-emitting layer 4 contains a bipolar host having a hole mobility and an electron mobility of 10−4 cm2/s or greater, a light-emitting dopant and a carrier trapping dopant, and the light-emitting dopant energy gap EgB, the bipolar host energy gap Egh, and the carrier trapping dopant energy gap Egd are such that Egd>Egh>EgB.

    摘要翻译: 本发明提供一种发光蓝色光的有机电致发光元件,其发光效率高,驱动耐久性良好。 用于发射蓝光的这种有机电致发光器件包括阳极2,阴极6和包含介于阳极2和阴极6之间的有机化合物的层,该层包含至少包含发光层的有机化合物 如图4所示,其中发光层4包含具有空穴迁移率和电子迁移率为10 -4 cm 2 / s以上的双极主体,发光 掺杂剂和载流子俘获掺杂剂,以及发光掺杂剂能隙E BAT,双极性主体能隙E gh,以及载流子俘获掺杂剂能隙E gd 是这样的,例如,G g E gB

    LIGHT-EMITTING ELEMENT ARRAY AND DISPLAY APPARATUS
    46.
    发明申请
    LIGHT-EMITTING ELEMENT ARRAY AND DISPLAY APPARATUS 审中-公开
    发光元件阵列和显示设备

    公开(公告)号:US20070029539A1

    公开(公告)日:2007-02-08

    申请号:US11459571

    申请日:2006-07-24

    IPC分类号: H01L29/06

    摘要: There is provided a light-emitting element array having a plurality of light-emitting elements of different emission colors each comprising a light extraction electrode, a reflecting electrode, and an organic layer disposed between the electrodes, said organic layer comprising a light-emitting layer and a carrier-transporting layer disposed between the light-emitting layer and the reflecting electrode, wherein the geometrical distances between the reflecting electrode and light-emitting layer are the same irrespective of the emission color, and the specific relational equations (1), (2), and (3) are satisfied.

    摘要翻译: 提供了一种发光元件阵列,其具有多个发光颜色不同的发光元件,每个发光元件均包括光提取电极,反射电极和设置在电极之间的有机层,所述有机层包括发光层 以及布置在发光层和反射电极之间的载流子传输层,其中反射电极和发光层之间的几何距离与发射颜色无关,并且具体的关系式(1),( 2),(3)。

    Organic light-emitting device
    50.
    发明授权
    Organic light-emitting device 有权
    有机发光装置

    公开(公告)号:US07466074B2

    公开(公告)日:2008-12-16

    申请号:US11548893

    申请日:2006-10-12

    IPC分类号: H01J1/62

    摘要: In an organic light-emitting device which uses, in particular, a light-emitting layer material having a wide band gap, a lowering in emission intensity due to continuous driving is alleviated while maintaining a high emission efficiency. There is provided an organic light-emitting device in which a hole-transporting layer contains a second component in addition to a main component; an energy of a lowest triplet excited state of the second component is less than an energy of a lowest triplet excited state of the main component of the hole-transporting layer; a lowest unoccupied molecular orbital energy of the second component is higher than a lowest unoccupied molecular orbital energy of the main component of a light-emitting layer; and the second component has an energy gap of 2.7 eV or more.

    摘要翻译: 在特别使用具有宽带隙的发光层材料的有机发光装置中,由于连续驱动而导致的发光强度降低,同时保持高的发光效率。 提供除了主要成分之外,空穴传输层包含第二成分的有机发光器件; 第二成分的最低三重激发态的能量小于空穴传输层的主要成分的最低三重态激发态的能量; 第二组分的最低未占分子轨道能量高于发光层的主要成分的最低未占分子轨道能量; 第二成分的能隙为2.7eV以上。