ORGANIC ELECTROLUMINESCENCE DEVICE
    4.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20090009066A1

    公开(公告)日:2009-01-08

    申请号:US12122308

    申请日:2008-05-16

    IPC分类号: H01L51/52

    摘要: An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: a host material represented by the following formula (1); and at least one phosphorescent material. Ra—Ar1—Ar2—Ar3—Rb   (1) In the formula (1), Ra, Rb, Ar1, Ar2 and Ar3 each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted condensed aromatic hydrocarbon ring selected from a 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 benzo[b]fluoranthene ring, a benzochrysene ring and a picene ring.When Ar2 represents a substituted or unsubstituted benzene ring, a substituted or unsubstituted 2,7-phenanthrenediyl group or a substituted or unsubstituted triphenylene ring, [Ra—Ar1—] and [Rb—Ar3—] are groups that are structured differently from each other.

    摘要翻译: 有机电致发光器件包括:阴极; 阳极; 以及设置在阴极和阳极之间的单层或多层有机薄膜层。 在有机电致发光器件中,有机薄膜层包括至少一个发光层,并且所述至少一个发光层包含:由下式(1)表示的主体材料。 和至少一种磷光材料。 <?in-line-formula description =“In-line Formulas”end =“lead”?> Ra-Ar1-Ar2-Ar3-Rb(1)<?in-line-formula description =“In-line formula”end =“尾”→在式(1)中,Ra,Rb,Ar1,Ar2和Ar3分别表示取代或未取代的苯环或取代或未取代的稠合芳香族烃环,其选自萘环, 苯并环,苯并环,苯并菲环,二苯并菲环,苯并三亚苯环,苯并[b]荧蒽环,苯并环和咔啉环。 当Ar 2表示取代或未取代的苯环时,取代或未取代的2,7-菲二基或取代或未取代的三亚苯基环[Ra-Ar 1]和[R b-Ar 3 - ]是彼此不同的结构 。

    ORGANIC ELECTROLUMINESCENCE DEVICE
    5.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件

    公开(公告)号:US20130020558A1

    公开(公告)日:2013-01-24

    申请号:US13354557

    申请日:2012-01-20

    申请人: Toshinari OGIWARA

    发明人: Toshinari OGIWARA

    IPC分类号: H01L51/54 H01L33/50

    摘要: An organic electroluminescence device includes a pair of electrodes and an organic compound layer between the pair of electrodes. The organic compound layer includes an emitting layer including a host material and a phosphorescent dopant material. The host material is selected from a compound satisfying the following formula (1) with respect to a difference ΔST between singlet energy EgS and an energy gap Eg77K at 77K and satisfying the following formula (2) with respect to the singlet energy EgS. ΔST=EgS−Eg77K

    摘要翻译: 有机电致发光器件包括一对电极和一对电极之间的有机化合物层。 有机化合物层包括包含主体材料和磷光掺杂剂材料的发光层。 相对于单线态能量EgS,单线态能量EgS与77K的能隙Eg77K之间的差Dgr; ST,满足下式(2),选自满足下式(1)的化合物的主体材料。 &Dgr; ST = EgS-Eg77K <0.4(eV)(1)EgS≥2.90(eV)(2)

    ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    6.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE 有权
    有机电致发光器件和有机电致发光器件材料

    公开(公告)号:US20100253211A1

    公开(公告)日:2010-10-07

    申请号:US12427999

    申请日:2009-04-22

    IPC分类号: H01J1/63

    摘要: An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, at least one layer of the organic thin-film layer includes: an organic-electroluminescence-device material represented by a general formula selected from the following formulae (1), (2) and (3); and at least one phosphorescent material. In the formula: A represents a group selected from a 3-fluoranthenyl group, 5-benzo[c]phenanthrenyl group, 6-benzo[c]phenanthrenyl group and 10-benzo[g]chrysenyl group; Ar represents a fused aromatic ring having 10 to 30 carbon atoms and having triplet energy of 2.10 eV or more; and A or Ar is allowed to be substituted by a phenyl group or a naphthyl group.

    摘要翻译: 有机电致发光器件包括:阴极; 阳极; 以及设置在阴极和阳极之间的单层或多层有机薄膜层。 在有机电致发光元件中,有机薄膜层的至少1层包括:由下述通式(1),(2)和(3)所示的通式表示的有机电致发光元件材料。 和至少一种磷光材料。 式中,A表示选自3-氟苯基,5-苯并[c]菲基,6-苯并[c]菲基和10-苯并[g]嘧啶基中的基团。 Ar表示碳原子数为10〜30,三重态能量为2.10eV以上的稠环芳香环, 并且A或Ar被苯基或萘基取代。

    ORGANIC ELECTROLUMINESCENCE DEVICE
    8.
    发明申请
    ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开
    有机电致发光器件

    公开(公告)号:US20120181518A1

    公开(公告)日:2012-07-19

    申请号:US13341225

    申请日:2011-12-30

    IPC分类号: H01L51/54

    摘要: An organic electroluminescence device includes: an anode; a cathode; and at least hole transporting layer and emitting layer both provided between the anode and the cathode. The hole transporting layer contains a hole transporting material. The emitting layer is adjacent to the hole transporting layer, and contains a first host material, a second host material and a phosphorescent dopant material. An ionization potential IP(HT) of the hole transporting material, an ionization potential IP(h1) of the first host material and an ionization potential IP(h2) of the second host material satisfy a relationship represented by an expression (1) below. IP(h1)>IP(HT)>IP(h2)  Expression (1)

    摘要翻译: 有机电致发光器件包括:阳极; 阴极 并且至少空穴传输层和发射层均设置在阳极和阴极之间。 空穴传输层包含空穴传输材料。 发光层与空穴传输层相邻,并且包含第一主体材料,第二主体材料和磷光掺杂剂材料。 空穴传输材料的电离电位IP(HT),第一主体材料的电离电位IP(h1)和第二主体材料的电离电位IP(h2)满足由下式(1)表示的关系。 IP(h1)> IP(HT)> IP(h2)表达式(1)

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

    公开(公告)号:US20100163853A1

    公开(公告)日:2010-07-01

    申请号:US12477387

    申请日:2009-06-03

    IPC分类号: H01L51/54

    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)