利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

167 条记录 (耗时 0.053 秒)

    Organic electroluminescent device
    106.
    发明授权
    Organic electroluminescent device 有权
    有机电致发光器件

    公开(公告)号：US08912531B2

    公开(公告)日：2014-12-16

    申请号：US12477387

    申请日：2009-06-03

    申请人： Toshinari Ogiwara ,  Kazuki Nishimura ,  Toshihiro Iwakuma

    发明人： Toshinari Ogiwara ,  Kazuki Nishimura ,  Toshihiro Iwakuma

    IPC分类号： H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01J1/62 ,  H01J63/04 ,  H01L51/50

    CPC分类号： H01L51/5016 ,  H01L51/0057 ,  H01L51/0072 ,  H01L51/5088 ,  H01L2251/552

    摘要： An organic electroluminescent device including an emitting layer, an electron-injecting controlling layer and an electron-transporting layer between an anode and a cathode in sequential order from the anode, bonding one to another, the emitting layer including a host material and a dopant, the ionization potential (Ips) of the main material forming the electron-injecting controlling layer and the ionization potential (Iph) of the host material of the emitting layer satisfying the following relationship (i), the electron mobility of the electron-transporting material forming the electron-transporting layer being 10−5 cm2/Vs or more at the electric field intensity of 400 to 500 (V/cm)1/2, and the affinity level (Af1) of the host material of the emitting layer, the affinity level (Af2) of the main material forming the electron-injecting controlling layer, and the affinity level (Af3) of the electron-transporting material forming the electron-transporting layer satisfying the following relationships (ii) and (iii). 0.5 eV>Ips−Iph≧0 eV  (i) Af2−Af1>0 eV  (ii) Af3−Af2>0.2 eV  (iii).

    摘要翻译： 一种有机电致发光器件，包括从阳极起依次依次彼此键合的发光层，电子注入控制层和阳极和阴极之间的电子传输层，所述发光层包括主体材料和掺杂剂， 形成电子注入控制层的主要材料的电离电位（Ips）和发射层的主体材料的电离电位（Iph）满足以下关系式（i），形成电子传输材料的电子迁移率 电子传输层的电场强度为400〜500（V / cm）1/2时为10 -5 cm 2 / Vs以上，发光层的主体材料的亲和度（Af1）为亲和力 形成电子注入控制层的主要材料的电平（Af2）和形成电子传输层的电子传输材料的亲和度（Af3）满足以下r （ii）和（iii）。 0.5eV> Ips-Iph≥0eV（i）Af2-Af1> 0eV（ii）Af3-Af2> 0.2eV（iii）。

    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME
    107.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 审中-公开

    公开(公告)号：US20130306961A1

    公开(公告)日：2013-11-21

    申请号：US13995216

    申请日：2011-02-11

    申请人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Tomoki Kato ,  Mitsunori Ito

    发明人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Tomoki Kato ,  Mitsunori Ito

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5028 ,  H01L51/0059 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016

    摘要： The present invention provides an OLED in which an organic thin film emissive 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 following formula: wherein at least one of Ar1 to Ar3 is represented by the following formula: wherein at least X1 to X3 are independently a nitrogen atom or CR2, provided that two of X1 to X3 are a nitrogen atom, R1 is a linear or branched alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted silyl group, an aryl group having 6 to 50 ring carbon atoms, a heteroaryl group having 5 to 50 ring atoms, a halogen atom or a cyano group, R2 is a hydrogen atom or a group represented by R1, a is an integer of 1 to 2 and n is an integer of 0 to 3, L1 is a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, L2 is a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 50 ring atoms, at most two of Ar1 to Ar3 that are not the group of formula (2) are independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, when L1, L2 and/or at most two of Ar1 to Ar3 that are not the group of formula (2) are a substituted group, the substitutes are independently a linear or branched alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted silyl group, an aryl group having 6 to 14 ring carbon atoms, a heteroaryl group having 5 to 20 ring atoms, a halogen atom or a cyano group, when two or more of Ar1 to Ar3 are the groups of formula (2), the groups of formula (2) may be the same or different, when a is 2, R1s may be the same or different, and when n is 2 or more, L2s may be the same or different; 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 following formulas: wherein each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted heteroaryl or a heterocyclic group.

    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME
    108.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 审中-公开

    公开(公告)号：US20130306960A1

    公开(公告)日：2013-11-21

    申请号：US13995193

    申请日：2011-02-11

    申请人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Mitsunori Ito

    发明人： Hitoshi Yamamoto ,  Michael S. Weaver ,  Julia J. Brown ,  Kazuki Nishimura ,  Toshihiro Iwakuma ,  Mitsunori Ito

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5028 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012

    摘要： The present invention provides an OLED in which an organic thin film emissive 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 following formula (1): wherein R2 represents a hydrogen atom, a benzene ring, a condensed aromatic hydrocarbon ring, a dibenzofuran ring or a group represented by Ar3—R3; Ar1 to Ar3 each independently represent a benzene ring, a condensed aromatic hydrocarbon ring or a dibenzofuran ring; R1 and R3 each independently represent a hydrogen atom, a benzene ring, a condensed aromatic hydrocarbon ring, or a dibenzofuran ring; the condensed aromatic hydrocarbon ring represented by R1 to R3 and Ar1 to Ar3 is selected from the group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring, and a benzo[b]fluoranthene ring; and R1 to R3, Ar1 to Ar3 and 2,7-disubstituted naphthalene ring each independently may have one or more substituents; with the proviso that when Ar1 and Ar2 each represents a condensed aromatic hydrocarbon constituted by four or more-membered ring, Ar1 and Ar2 are different from each other; wherein when Ar1 and Ar2 each represents a benzene ring, R1 and R2 cannot both be a hydrogen atom or a naphthalene ring at the same time; and when R1 and R2 each represents a hydrogen atom, Ar1 and Ar2 cannot both be a naphthalene ring at the same time or a combination of a naphthalene ring and a benzene ring; 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 following formulas: wherein each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted heteroaryl or a heterocyclic group.