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131 条记录 (耗时 0.062 秒)

    Organic electroluminescence device
    61.
    发明授权
    Organic electroluminescence device 有权
    有机电致发光器件

    公开(公告)号：US09203043B2

    公开(公告)日：2015-12-01

    申请号：US13902355

    申请日：2013-05-24

    申请人： Kazuki Nishimura ,  Tetsuya Inoue ,  Yumiko Mizuki ,  Nobuhiro Yabunouchi ,  Mitsuru Eida

    发明人： Kazuki Nishimura ,  Tetsuya Inoue ,  Yumiko Mizuki ,  Nobuhiro Yabunouchi ,  Mitsuru Eida

    IPC分类号： H01L51/50 ,  C09K11/06 ,  H01L51/00

    CPC分类号： H01L51/5012 ,  C09K11/06 ,  C09K2211/185 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/504 ,  H01L51/5044 ,  H01L2251/308 ,  H01L2251/5376 ,  H01L2251/5384

    摘要： An organic electroluminescence device 1 includes: an anode 3, a cathode 4 opposed to the anode 3 and an emitting layer 5 provided between the anode 3 and the cathode 4. The emitting layer 5 contains first and second host materials and a luminescent material. The first host material has a partial structure represented by at least one of the following formulae (1) and (2) while the second host material has a partial structure represented by the following formula (3). Az represents a substituted or unsubstituted aromatic heterocyclic group containing a nitrogen-containing six-membered ring. WCN is an aromatic hydrocarbon group substituted by at least one cyano group (CN) or an aromatic heterocyclic group substituted by at least one cyano group (CN). Ar1 is a substituted or unsubstituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group, but is not an aromatic heterocyclic group containing a nitrogen-containing six-membered ring. —Az—(WCN)p  (1) —Az—(CN)q  (2) —Ar1—(CN)r  (3)

    摘要翻译： 有机电致发光器件1包括：阳极3，与阳极3相对的阴极4和设置在阳极3和阴极4之间的发光层5.发光层5包含第一和第二主体材料和发光材料。 第一主体材料具有由下式（1）和（2）中的至少一个表示的部分结构，而第二主体材料具有由下式（3）表示的部分结构。 Az表示含有含氮六元环的取代或未取代的芳香族杂环基。 WCN是被至少一个氰基（CN）或被至少一个氰基（CN）取代的芳族杂环基取代的芳香族烃基。 Ar 1是取代或未取代的芳香族烃基或取代或未取代的芳香族杂环基，但不是含有含氮六元环的芳香族杂环基。 （ZCN）p（1）-Az-（CN）q（2）-Ar1-（CN）r（3）

    Organic light emitting device and materials for use in same
    65.
    发明授权
    Organic light emitting device and materials for use in same 有权

    公开(公告)号：US08941099B2

    公开(公告)日：2015-01-27

    申请号：US13642693

    申请日：2010-07-07

    申请人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Chishio Hosokawa ,  Toshinari Ogiwara

    发明人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Chishio Hosokawa ,  Toshinari Ogiwara

    IPC分类号： H01L35/24

    CPC分类号： H01L51/0058 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/308

    摘要： The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the formula (A-I): formula (A-1) wherein R1 and R2 each represent independently a substituted or unsubstituted alkyl group having from 1 to about 5 carbon atoms; Ar1 represents a divalent residue of a benzene ring, a naphthalene ring, a chrysene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzo[a]triphenylene ring, a benzochrysene ring, a fluoranthene ring, a benzo[b]fluoranthene ring or picene ring; and Ar2 represents a monovalent residue of a naphthalene ring, a chrysene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzo[a]triphenylene ring, a benzochrysene ring, a fluoranthene ring, a benzo[b]fluoranthene ring or a picene ring; and Ar1 and Ar2 each may have independently one or plural substituent(s) selected from the group consisting of an alkyl group having 1 to about 3 carbon atoms, a cycloalkyl group having about 5 to about 7 ring-forming carbon atoms, a silyl group having about 3 to about 12 carbon atoms, a cyano group, a halogen atom and an aryl group having about 6 to about 16 ring-forming carbon atoms; and the phosphorescent emitter material comprises a phosphorescent organometallic complex having a substituted chemical structure represented by one of the following partial chemical structures represented by the formulae: formulae (I), (II), (III) wherein R is independently hydrogen or an alkyl substituent having 1-3 carbon atoms, and wherein at least one ring of the formula has one or more of said alkyl substituent.

    ORGANIC ELECTROLUMINESCENT ELEMENT
    68.
    发明申请
    ORGANIC ELECTROLUMINESCENT ELEMENT 有权
    有机电致发光元件

    公开(公告)号：US20130292664A1

    公开(公告)日：2013-11-07

    申请号：US13980051

    申请日：2012-01-20

    申请人： Kazuki Nishimura ,  Yukitoshi Jinde ,  Toshinari Ogiwara ,  Tesuya Inoue ,  Chishio Hosokawa

    发明人： Kazuki Nishimura ,  Yukitoshi Jinde ,  Toshinari Ogiwara ,  Tesuya Inoue ,  Chishio Hosokawa

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5012 ,  C09B47/00 ,  C09B57/00 ,  C09B57/10 ,  H01L51/5016 ,  H01L51/504 ,  H01L51/5044 ,  H01L2251/5376 ,  H01L2251/552 ,  H01L2251/558 ,  H05B33/145

    摘要： An organic electroluminescence device includes a pair of electrodes and an organic compound layer interposed therebetween. The organic compound layer includes a plurality of emitting layers including a first emitting layer and a second emitting layer, in which at least one of the first and second emitting layers contains a phosphorescent dopant material, and a space layer between the first and second emitting layers. The space layer contains a compound satisfying a relationship of the following numerical formula (1) in terms of a difference ΔST between singlet energy EgS and an energy gap Eg77K at 77K, [Numerical Formula 1] ΔST=EgS−Eg77K≦0.5 (eV)  (1).

    摘要翻译： 有机电致发光器件包括一对电极和插入其间的有机化合物层。 有机化合物层包括包含第一发光层和第二发光层的多个发光层，其中第一发光层和第二发光层中的至少一个含有磷光掺杂剂材料，第一发光层和第二发光层之间的空间层 。 空间层包含以77K下的单线态能量EgS与能隙Eg77K之间的差ΔST表示满足下述数值式（1）的关系的化合物，[数学式1] DeltaST = EgS-Eg77K×0.5（eV） （1）。

    Organic electroluminescence device
    69.
    发明授权
    Organic electroluminescence device 有权
    有机电致发光器件

    公开(公告)号：US08461574B2

    公开(公告)日：2013-06-11

    申请号：US12816030

    申请日：2010-06-15

    申请人： Kazuki Nishimura ,  Yuichiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kenichi Fukuoka ,  Chishio Hosokawa

    发明人： Kazuki Nishimura ,  Yuichiro Kawamura ,  Toshinari Ogiwara ,  Hitoshi Kuma ,  Kenichi Fukuoka ,  Chishio Hosokawa

    IPC分类号： H01L35/24

    CPC分类号： H01L51/5016 ,  C09B1/00 ,  C09B57/00 ,  C09B57/10 ,  H01L27/3211 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5048 ,  H01L2251/552

    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。