ORGANIC ELECTROLUMINESCENCE DEVICE
    18.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20120153268A1

    公开(公告)日:2012-06-21

    申请号:US13388389

    申请日:2011-01-14

    IPC分类号: H01L51/54

    摘要: An organic electroluminescence device includes an anode, an emitting layer, an electron-transporting region, and a cathode, the anode, the emitting layer, the electron-transporting region, and the cathode being stacked in this order, the emitting layer including a host material, and a dopant material that emits fluorescence having a main peak wavelength of 550 nm or less, the electron-transporting region including a barrier layer that is adjacent to the emitting layer, and the barrier layer including a barrier material that includes an electron-transporting structural part, and a triplet barrier structural part that includes a fused polycyclic aromatic hydrocarbon compound, and satisfies the relationship “ETb>ETh” (where, ETh is the triplet energy of the host material, and ETb is the triplet energy of the barrier material).

    摘要翻译: 有机电致发光器件包括阳极,发光层,电子传输区域和阴极,阳极,发光层,电子传输区域和阴极依次层叠,发光层包括主体 材料和发射具有550nm以下的主峰波长的荧光的掺杂剂材料,所述电子传输区域包括与发光层相邻的阻挡层,并且所述阻挡层包括阻挡材料,所述阻挡材料包括电子发射层, 输送结构部分和包含稠合多环芳烃化合物的三重态势垒结构部分,并且满足关系“ETb> ETh”(其中ETh是主体材料的三线态能量,ETb是势垒的三线态能量 材料)。

    NITROGENATED HETEROCYCLIC RING DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME
    19.
    发明申请
    NITROGENATED HETEROCYCLIC RING DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME 有权
    含氮杂环化合物衍生物和有机电致发光元件

    公开(公告)号:US20120132899A1

    公开(公告)日:2012-05-31

    申请号:US13389165

    申请日:2011-01-13

    摘要: A nitrogen-containing heterocyclic derivative represented by the following formula (1): wherein any “12-a” groups of R1 to R12 are independently a hydrogen atom, a fluorine atom, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; any “a” groups of R1 to R12 are independently a single bond which is bonded to L1; L1 is a single bond, a “b+1” valent substituted or unsubstituted hydrocarbon ring group having 6 to 30 ring carbon atoms or a “b+1” valent substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; HAr is a substituted or unsubstituted nitrogen-containing heterocyclic group; and “a” and “b” are independently an integer of 1 to 4, and at least one of “a” and “b” is 1. Also disclosed is a nitrogen-containing heterocyclic derivative represented by the following formula (21) or (31):

    摘要翻译: 由下式(1)表示的含氮杂环衍生物:其中R 1〜R 12的任何“12-a”基团独立地为氢原子,氟原子,取代或未取代的环碳原子数为6〜30的芳基 或取代或未取代的环原子数为5〜30的杂环基; R 1〜R 12的任何“a”组独立地为与L1键合的单键; L1是单键,“b + 1”价的取代或未取代的环碳原子数为6〜30的烃环基或具有5〜30个环原子的“b + 1”价取代或未取代的杂环基; HAr是取代或未取代的含氮杂环基; “a”和“b”独立地为1〜4的整数,“a”和“b”中的至少一个为1.还公开了由下式(21)表示的含氮杂环衍生物或 (31):