Organic light-emitting device having increased electron transport ability of an electron transport region
    57.
    发明授权
    Organic light-emitting device having increased electron transport ability of an electron transport region 有权
    具有增加的电子传输区域的电子传输能力的有机发光器件

    公开(公告)号:US09401484B2

    公开(公告)日:2016-07-26

    申请号:US14561798

    申请日:2014-12-05

    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the emission layer includes a compound represented by Formula 1 as described herein; and at least one of the hole blocking layer, the electron transport layer, and the electron injection layer in the electron transport region includes at least one compound represented by Formulae 2, 3, 4, or 5, as described herein.

    Abstract translation: 一种有机发光装置,包括:第一电极; 面对所述第一电极的第二电极; 以及在所述第一电极和所述第二电极之间的有机层,所述有机层包括发光层,所述第一电极与所述发光层之间的空穴传输区域,所述空穴传输区域包括选自空穴传输层, 空穴注入层和缓冲层以及发射层和第二电极之间的电子传输区域,电子传输区域包括选自空穴阻挡层,电子传输层和电子注入层中的至少一个,其中 发光层包括由本文所述的式1表示的化合物; 并且电子传输区域中的空穴阻挡层,电子传输层和电子注入层中的至少一个包含至少一种如式2,3,4或5所示的化合物,如本文所述。

    Organic light-emitting device
    58.
    发明授权
    Organic light-emitting device 有权
    有机发光装置

    公开(公告)号:US09246111B1

    公开(公告)日:2016-01-26

    申请号:US14560352

    申请日:2014-12-04

    Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer, the organic layer including an emission layer, a hole transport region including a hole transport layer, a hole injection layer, or a buffer layer, and an electron transport region including a hole blocking layer, an electron transport layer, or an electron injection layer, wherein a triplet energy of a hole transport material of the hole transport layer is from about 2.4 to about 3.2 eV, an electron affinity of the hole transport material is from about 2.2 to about 2.6 eV; the triplet energy of the hole transport material is greater than a triplet energy of a dopant of the emission layer and a triplet energy of a host material of the emission layer, the host material of the emission layer includes the compound represented by Formula 1.

    Abstract translation: 一种有机发光装置,包括:第一电极; 第二电极; 有机层,包括发光层的有机层,包括空穴传输层的空穴传输区域,空穴注入层或缓冲层,以及包含空穴阻挡层,电子传输层或电子传输层的电子传输区域 电子注入层,其中空穴传输层的空穴传输材料的三线态能为约2.4至约3.2eV,空穴传输材料的电子亲和力为约2.2至约2.6eV; 空穴传输材料的三线态能量大于发射层的掺杂剂的三线态能量和发射层的主体材料的三线态能量,发射层的主体材料包括由式1表示的化合物。

    ORGANIC LIGHT-EMITTING DEVICE
    59.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权
    有机发光装置

    公开(公告)号:US20150349266A1

    公开(公告)日:2015-12-03

    申请号:US14549461

    申请日:2014-11-20

    Abstract: An organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the first electrode and including an emission layer (EML); a hole transport region between including an electron blocking layer (EBL) and at least one selected from a hole injection layer (HIL), a hole transport layer (HTL), and a buffer layer; and an electron transport region and including a hole blocking layer (HBL) and at least one selected from an electron transport layer and electron injection layer (EIL). A triplet energy of a material for the electron blocking layer (EBL T1), a triplet energy of a material for the hole blocking layer (HBL T1), and a triplet energy of a host in the emission layer (Host T1) satisfy Equation (1) and Equation (2): HBL T1>EBL T1≧Host T1  (1) HBL T1−EBL T1≧0.2 eV  (2).

    Abstract translation: 有机发光装置包括第一电极; 第二电极; 和在第一电极和第一电极之间并包括发射层(EML)的有机层; 包括电子阻挡层(EBL)和选自空穴注入层(HIL),空穴传输层(HTL)和缓冲层中的至少一种的空穴传输区域; 和电子传输区域,并且包括空穴阻挡层(HBL)和选自电子传输层和电子注入层(EIL)中的至少一种。 用于电子阻挡层(EBL T1)的材料的三重态能量,用于空穴阻挡层(HBL T1)的材料的三线态能量以及发射层(主体T1)中的主体的三线态能满足等式( 1)和等式(2):HBL T1> EBLT1≥主机T1(1)HBL T1-EBLT1≥0.2eV(2)。

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