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51. 发明授权

US09985232B2 Biscarbazole derivative host materials for OLED emissive region 有权
公开(公告)号：US09985232B2
公开(公告)日：2018-05-29
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： H01L51/00 , H01L51/50 , C07D209/82 , C09K11/06 , C07D401/14 , C07D405/14 , H05B33/20
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: 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 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″″.

52. 发明授权

US08912531B2 Organic electroluminescent device 有权
标题翻译：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）。

53. 发明申请

US20140217378A1 ORGANIC ELECTROLUMINESCENT ELEMENT 审中-公开
标题翻译：有机电致发光元件
公开(公告)号：US20140217378A1
公开(公告)日：2014-08-07
申请号：US14128132
申请日：2012-06-20
申请人： Kazuki Nishimura , Toshinari Ogiwara , Taakshi Arakane , Kumiko Hibino
发明人： Kazuki Nishimura , Toshinari Ogiwara , Taakshi Arakane , Kumiko Hibino
IPC分类号： H01L51/00
CPC分类号： H01L51/006 , C07D209/86 , C07D235/08 , C07D235/18 , C07D307/91 , C07D403/04 , C07D403/10 , C07D403/14 , C07D487/14 , C07D491/048 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1044 , C09K2211/1059 , C09K2211/1088 , C09K2211/1092 , C09K2211/185 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0085 , H01L2251/5384 , H05B33/14
摘要： An organic electroluminescence includes an anode, a cathode and at least an emitting layer interposed between the anode and the cathode, in which the emitting layer contains a first host material, a second host material and a phosphorescent dopant material as main components. The first host material is a compound represented by the following formula (1). The second host material is a compound represented by the following formula (2).
摘要翻译：有机电致发光器件包括阳极，阴极和插入在阳极和阴极之间的发光层，其中发光层包含第一主体材料，第二主体材料和磷光掺杂剂材料作为主要组分。第一主体材料是由下式（1）表示的化合物。第二主体材料是由下式（2）表示的化合物。

54. 发明申请

US20130306961A1 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.

55. 发明申请

US20130306960A1 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.

56. 发明授权

US08568903B2 Phenanthrene derivative, and material for organic EL element 失效
标题翻译：菲衍生物和有机EL元素的材料
公开(公告)号：US08568903B2
公开(公告)日：2013-10-29
申请号：US12667777
申请日：2008-07-04
申请人： Masahiro Kawamura , Kazuki Nishimura , Yoriyuki Takashima , Mitsunori Ito , Toshihiro Iwakuma , Toshinari Ogiwara
发明人： Masahiro Kawamura , Kazuki Nishimura , Yoriyuki Takashima , Mitsunori Ito , Toshihiro Iwakuma , Toshinari Ogiwara
IPC分类号： H01L51/54 , C09K11/06 , C07C15/30
CPC分类号： C09K11/565 , C07C13/567 , C07C15/24 , C07C15/30 , C07D235/08 , C09K11/06 , C09K2211/1011 , H01L51/0054 , H01L51/0058 , H01L51/006 , H01L51/0071 , H01L51/0072 , H01L51/0085 , H01L51/5012 , H01L2251/308 , H05B33/14 , H05B33/20
摘要： A phenanthrene derivative is represented by a formula (1) below. In the formula (1), Ar1 to Ar4 each represent an aromatic hydrocarbon ring group having 6 to 18 carbon atoms for forming the ring. The aromatic hydrocarbon ring group contains none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. L represents a single bond, a substituted or unsubstituted benzene skeleton, naphthalene skeleton, biphenylene skeleton, fluorene skeleton, phenanthrene skeleton, fluoranthene skeleton, triphenylene skeleton, chrysene skeleton, phenyl-naphthalene skeleton or binaphthalene skeleton. R1 and R2 each represent a substituent, the number of which may be 0, 1 or more. R1 and R2 may be bonded in any positions of the phenanthrene skeleton. m, n, l and p each represent 0 or 1 while satisfying m+n+l+p≧1 (m,n≧l,p). a and b each represent an integer of 0 to 8.
摘要翻译：菲衍生物由下式（1）表示。式（1）中，Ar 1〜Ar 4表示碳原子数为6〜18的芳香族烃环，形成环。芳烃环基不含蒽骨架，芘骨架，乙炔骨架和并四苯骨架。 L表示单键，取代或未取代的苯骨架，萘骨架，联苯骨架，芴骨架，菲骨架，荧蒽骨架，三亚苯骨架，骨架骨架，苯基萘骨架或二萘骨架。 R1和R2各自表示取代基，其数目可以为0,1或更多。 R1和R2可以键合在菲骨架的任何位置。 m，n，l和p各自表示0或1，同时满足m + n + 1 + p> = 1（m，n> = 1，p）。 a和b各自表示0〜8的整数。

57. 发明申请

US20130126832A1 ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 有权
公开(公告)号：US20130126832A1
公开(公告)日：2013-05-23
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： H01L51/00
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, 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.

58. 发明授权

US08372529B2 Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same 有权
公开(公告)号：US08372529B2
公开(公告)日：2013-02-12
申请号：US13270786
申请日：2011-10-11
申请人： Tomoki Kato , Masaki Numata , Kazuki Nishimura , Toshihiro Iwakuma , Chishio Hosokawa
发明人： Tomoki Kato , Masaki Numata , Kazuki Nishimura , Toshihiro Iwakuma , Chishio Hosokawa
IPC分类号： H01L51/54 , C07D307/77 , C09K11/06
CPC分类号： H01L51/0073 , C07D235/08 , C07D403/10 , C07D487/04 , C07D495/04 , C07D519/00 , C09K11/025 , C09K11/06 , C09K2211/1029 , C09K2211/186 , H01L51/0065 , H01L51/0067 , H01L51/0068 , H01L51/0071 , H01L51/0072 , H05B33/14 , Y10S428/917
摘要： Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.

59. 发明申请

US20120181518A1 ORGANIC ELECTROLUMINESCENCE DEVICE 审中-公开
标题翻译：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
申请人： Toshinari OGIWARA , Kazuki Nishimura
发明人： Toshinari OGIWARA , Kazuki Nishimura
IPC分类号： H01L51/54
CPC分类号： H01L51/5004 , H01L51/0072 , H01L51/0085 , H01L51/5016 , H01L2251/5384
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）

60. 发明申请

US20120126222A1 ORGANIC ELECTROLUMINESCENT ELEMENT 审中-公开
标题翻译：有机电致发光元件
公开(公告)号：US20120126222A1
公开(公告)日：2012-05-24
申请号：US13388576
申请日：2011-07-05
申请人： Toshinari Ogiwara , Kazuki Nishimura , Hiroyuki Saito
发明人： Toshinari Ogiwara , Kazuki Nishimura , Hiroyuki Saito
IPC分类号： H01L51/54
CPC分类号： H01L51/5096 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0072 , H01L51/5044 , H01L2251/552
摘要： An organic electroluminescence device includes an anode, an emitting layer, an electron transporting zone and a cathode in sequential order. A blocking layer is provided in the electron transporting zone adjacently to the emitting layer. The blocking layer contains a fused hydrocarbon compound and at least one compound selected from an electron-donating dopant and an organic metal complex that contains an alkali metal. A triplet energy of the fused hydrocarbon compound is 2.0 eV or more.
摘要翻译：有机电致发光器件按顺序包括阳极，发光层，电子传输区和阴极。在与发光层相邻的电子传输区中设置阻挡层。阻挡层含有稠合烃化合物和至少一种选自含电子掺杂剂和含有碱金属的有机金属络合物的化合物。稠合烃化合物的三重态能量为2.0eV以上。

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