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    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME
    71.
    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.

    BISCARBAZOLE DERIVATIVE HOST MATERIALS AND GREEN EMITTER FOR OLED EMISSIVE REGION
    75.
    发明申请
    BISCARBAZOLE DERIVATIVE HOST MATERIALS AND GREEN EMITTER FOR OLED EMISSIVE REGION 有权
    用于OLED电动区域的BISCARBAZOLE衍生主体材料和绿色发光体

    公开(公告)号：US20150243905A1

    公开(公告)日：2015-08-27

    申请号：US14400801

    申请日：2012-06-14

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

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

    IPC分类号： H01L51/00 ,  C09K11/06

    CPC分类号： H01L51/0072 ,  C07D403/14 ,  C07D405/14 ,  C09B57/00 ,  C09B57/008 ,  C09B57/10 ,  C09K11/06 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1048 ,  C09K2211/1059 ,  C09K2211/1074 ,  C09K2211/1088 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5206 ,  H01L51/5221 ,  H01L2251/301 ,  H01L2251/308 ,  H01L2251/5384

    摘要： An organic electroluminescence device utilizes a novel combination comprising one or more biscarbazole derivative compounds as the phosphorescent host material in combination with a green phosphorescent dopant material in the light emitting region of the device, where the biscarbazole derivative compounds are represented by a formula (1A) or (1B) below; where A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3; and the green phosphorescent dopant material is a phosphorescent organometallic complex having a chemical structure represented by LL′L″M wherein M is a metal that forms octahedral complexes, L, L′, and L″ are equivalent or inequivalent bidentate ligands wherein each L comprises a substituted or unsubstituted phenylpyridine ligand coordinated to M through an sp2 hybridized carbon and N; and, one of L, L′ and L″ is different from at least one of the other two.

    摘要翻译： 一种有机电致发光器件利用包含一种或多种双咔唑衍生物化合物作为磷光主体材料的新型组合，与装置的发光区域中的绿色磷光掺杂剂材料组合，其中双咔唑衍生物化合物由式（1A）表示， 或（1B） 其中A1表示取代或未取代的含有1至30个环碳原子的含氮杂环基; A2表示取代或未取代的碳原子数为6〜30的芳香族烃基或取代或未取代的碳原子数为1〜30的含氮杂环基， X1和X2各自是连接基团; Y1至Y4各自表示取代基; p和q表示1〜4的整数。 并且r和s表示1〜3的整数。 并且绿色磷光掺杂剂材料是具有由LL'L“M表示的化学结构的磷光有机金属络合物，其中M是形成八面体复合物的金属，L，L'和L”是相当于或不等价的双齿配体，其中每个L包括 通过sp2杂化的碳和N配位于M的取代或未取代的苯基吡啶配体; 并且L，L'和L“中的一个与另外两个中的至少一个不同。

    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME
    76.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 审中-公开

    公开(公告)号：US20130306962A1

    公开(公告)日：2013-11-21

    申请号：US13995276

    申请日：2011-02-11

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

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

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5028 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012

    摘要： The OLEDs of the present invention are characterized by providing 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 represented by the formula (1) or (2): (Cz-)nA  (1) Cz(-A)m  (2) wherein Cz represents a substituted or unsubstituted arylcarbazolyl group or carbazolylalkylene group, A represents a group represented by the following general formula (3): (M)p-(L)q-(M′)r  (3) wherein M and M′ each independently represent a heteroaromatic ring having 2 to 40 carbon atoms and nitrogen atom and forming a substituted or unsubstituted ring, M and M′ may represent a same ring or different rings, L represents a single bond, a substituted or unsubstituted aryl group or arylene group having 6 to 30 carbon atoms, a substituted or unsubstituted cycloalkylene group having 5 to 30 carbon atoms or a substituted or unsubstituted heteroaromatic ring having 2 to 30 carbon atoms, p represents an integer of 0 to 2, q represents an integer of 1 or 2, r represents an integer of 0 to 2, and p+r represents an integer of 1 or greater; and n and m each represent an integer of 1 to 3; 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 formula: LL′L″M wherein M is a metal that forms octahedral complexes, L, L′, L″ are equivalent or inequivalent bidentate ligands wherein each L comprises a substituted or unsubstituted phenylpyridine ligand coordinated to M through an sp2 hybridized carbon and N; and one of L, L′ and L″ is inequivalent to at least one of the other two.

    BISCARBAZOLE DERIVATIVE HOST MATERIALS FOR OLED EMISSIVE REGION
    77.
    发明申请
    BISCARBAZOLE DERIVATIVE HOST MATERIALS FOR OLED EMISSIVE REGION 有权

    公开(公告)号：US20150194621A1

    公开(公告)日：2015-07-09

    申请号：US14400352

    申请日：2012-05-17

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

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

    IPC分类号： H01L51/50

    CPC分类号： H01L51/5016 ,  C07D209/82 ,  C07D401/14 ,  C07D405/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/185 ,  H01L51/0059 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/5384 ,  H05B33/20

    摘要： An organic electroluminescence device utilizes a novel combination of one or more biscarbazole derivative compounds as the phosphorescent host material in combination with an organometallic phosphorescent material as a dopant in the light emitting region of the device, where the biscarbazole derivative compounds are represented by a formula (1A) or (2A) below: (1A), (2A) where A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; Xi and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3; and the organometallic phosphorescent material is a compound having a substituted chemical structure represented by the formula (4A): where each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, alkylaryl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted aryl, substituted heteroaryl or a heterocyclic group; M is a platinum group metal; Ar′, Ar″, Ar′″ and Ar″″ each independently represent a substituted or unsubstituted aryl or heteroaryl substituent on the phenylpyridine ligand; a is 0 or 1; b is 0 or 1; c is 0 or 1; d is 0 or 1; m is 1 or 2; n is 1 or 2; m+n is the maximum number of ligands that can be coordinated to M, and wherein at least one of a, b, c, and d is 1 and when at least one of a and b is 1 and at least one of b and c is 1, at least one of Ar′ and Ar″ is different from at least one of Ar′″ and Ar″″.