Organic electroluminescence device
    3.
    发明授权
    Organic electroluminescence device 有权
    有机电致发光器件

    公开(公告)号:US08803420B2

    公开(公告)日:2014-08-12

    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)。

    PYRENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME
    5.
    发明申请
    PYRENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME 有权
    使用相同的紫罗兰衍生物和有机电致发光元件

    公开(公告)号:US20120248420A1

    公开(公告)日:2012-10-04

    申请号:US13389294

    申请日:2010-12-20

    IPC分类号: H01L51/54 C07F7/08

    摘要: A pyrene derivative represented by the following formula (1); wherein R1 to R10 are independently a hydrogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group or a group represented by the following formula (2), at least one of R1 to R10 is a group represented by the following formula (2) and at least two of R1 to R10 are substituted or unsubstituted aryl group. Provided that in the case where only one of R1 to R10 is a group represented by the following formula (2), at least one of the substituted or unsubstituted aryl groups is an aryl group having 10 to 50 carbon atoms. X, Y and Z are independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted alkoxy group;

    摘要翻译: 由下式(1)表示的芘衍生物; 其中R 1至R 10独立地为氢原子,取代或未取代的芳基,取代或未取代的烷基,取代或未取代的环烷基或下式(2)表示的基团,R 1至R 10中的至少一个为 由下式(2)表示的基团和R 1〜R 10中的至少两个为取代或未取代的芳基。 只要R1〜R10中只有一个为下述式(2)表示的基团,至少一个取代或未取代的芳基为碳原子数为10〜50的芳基。 X,Y和Z独立地为取代或未取代的烷基,取代或未取代的芳基或取代或未取代的烷氧基;

    ORGANIC ELECTROLUMINESCENCE DEVICE
    8.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20110049483A1

    公开(公告)日:2011-03-03

    申请号:US12816030

    申请日:2010-06-15

    IPC分类号: H01L51/52

    摘要: An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy ETfbd of the fluorescent dopant FBD is larger than the triplet energy ETbh of the host BH; the green emitting portion includes a host GH and a phosphorescent dopant PGD; the electron-transporting region includes a common electron-transporting layer adjacent to the red emitting portion, the green emitting portion and the blue emitting portion; the common electron-transporting layer includes a material having a triplet energy ETel larger than ETbh; and the difference between the affinity of the host GH and the affinity of the material constituting the common electron-transporting layer is 0.4 eV or less.

    摘要翻译: 一种从阳极和阴极之间的阳极依次依次包括相对的阳极和阴极以及空穴传输区,发光层和电子传输区的有机电致发光器件,其中发光层包括红色发射部分, 绿色发光部分和蓝色发光部分; 蓝色发光部分包括主体BH和荧光掺杂剂FBD; 荧光掺杂剂FBD的三重态能量ETfbd大于主体BH的三线态能量ETbh; 绿色发光部分包括主体GH和磷光掺杂剂PGD; 电子传输区域包括与红色发射部分,绿色发射部分和蓝色发射部分相邻的公共电子传输层; 共同的电子传输层包括具有大于ETbh的三线态能量ETel的材料; 并且主体GH的亲和性与构成公共电子传输层的材料的亲和性之间的差为0.4eV以下。

    ORGANIC ELECTROLUMINESCENCE DEVICE
    9.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20100301312A1

    公开(公告)日:2010-12-02

    申请号:US12735175

    申请日:2008-12-19

    摘要: An organic electroluminescence device including: an anode (10), a cathode (70), an emitting layer (40) including an organic compound, which is between the anode (10) and the cathode (70), two or more layers arranged in a hole injection and transport region which is between the anode (10) and the emitting layer (40), and one or more layers arranged in an electron injection and transport region which is between the emitting layer (40) and the cathode (70), wherein a layer in the hole injection and transport region, which is in contact with the emitting layer (40), includes an aromatic amine derivative having a carbazole skeleton, one of the layers other than the layer in contact with the emitting layer (40) in the hole injection and transport region includes one or more materials selected from the group consisting of thiophene derivatives, tricyclic or more cyclic fused aromatic derivatives, amine derivatives excluding the compound represented by the following formula (A), conductive polymers, CFx, CuPc, transition metal oxides, fullerenes and acceptor materials, and a layer in the electron injection and transport region includes a benzimidazole derivative.

    摘要翻译: 一种有机电致发光器件,包括阳极(10),阴极(70),包含位于阳极(10)和阴极(70)之间的有机化合物的发射层(40) 位于阳极(10)和发光层(40)之间的空穴注入和传输区域以及布置在发光层(40)和阴极(70)之间的电子注入和传输区域中的一个或多个层, 其特征在于,与所述发光层(40)接触的所述空穴注入传输区域的层包含具有咔唑骨架的芳香族胺衍生物,与所述发光层(40)接触的层以外的层之一 )包括选自噻吩衍生物,三环或更多环稠合芳族衍生物,不包括下式(A)表示的化合物的胺衍生物,导电性聚 半胱氨酸,CFx,CuPc,过渡金属氧化物,富勒烯和受体材料,并且电子注入和输送区中的层包括苯并咪唑衍生物。