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1. 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″″.

2. 发明授权

US09082995B2 Organic EL element and organic EL material-containing solution 有权
标题翻译：有机EL元件和含有机EL材料的溶液
公开(公告)号：US09082995B2
公开(公告)日：2015-07-14
申请号：US12667893
申请日：2008-07-04
申请人： Kazuki Nishimura , Chishio Hosokawa , Toshihiro Iwakuma , Kenichi Fukuoka , Tetsuya Inoue
发明人： Kazuki Nishimura , Chishio Hosokawa , Toshihiro Iwakuma , Kenichi Fukuoka , Tetsuya Inoue
IPC分类号： H01L29/08 , H01L35/24 , H01L51/00 , H01L51/50 , C09K11/06 , C09B6/00 , C09B23/14 , C09B57/00 , C09B1/00 , C09B3/14 , C09B3/78
CPC分类号： H01L51/5036 , C09B1/00 , C09B3/14 , C09B3/78 , C09B6/00 , C09B23/148 , C09B57/00 , C09B57/008 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0072 , H01L51/0081 , H01L51/0085 , H01L51/5016
摘要： An organic EL device (1) includes an anode (3), a cathode (4) and an organic thin-film layer (5) provided between the anode (3) and the cathode (4). The organic thin-film layer (5) includes a single-layered mixed-color emitting layer (51) for providing mixed-color emission. The mixed-color emitting layer (51) contains a host, a fluorescent dopant for blue fluorescent emission and a phosphorescent dopant for red or green phosphorescent emission.
摘要翻译：有机EL器件（1）包括阳极（3），阴极（4）和设置在阳极（3）和阴极（4）之间的有机薄膜层（5）。有机薄膜层（5）包括用于提供混合色发射的单层混色发光层（51）。混合色发光层（51）包含主体，用于蓝色荧光发射的荧光掺杂剂和用于红色或绿色磷光发射的磷光掺杂剂。

3. 发明授权

US09054319B2 Organic electroluminescence device 有权
标题翻译：有机电致发光器件
公开(公告)号：US09054319B2
公开(公告)日：2015-06-09
申请号：US13439731
申请日：2012-04-04
申请人： Kazuki Nishimura , Toshihiro Iwakuma , Kenichi Fukuoka , Chishio Hosokawa , Jun Endo , Nobuhiro Yabunouchi , Hiroshi Yamamoto
发明人： Kazuki Nishimura , Toshihiro Iwakuma , Kenichi Fukuoka , Chishio Hosokawa , Jun Endo , Nobuhiro Yabunouchi , Hiroshi Yamamoto
IPC分类号： H01L29/08 , H01L51/00 , C09K11/06 , H01L51/50
CPC分类号： H01L51/0054 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , C09K2211/185 , C09K2211/186 , H01L51/0052 , H01L51/0055 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0085 , H01L51/0087 , H01L51/5016 , H01L51/5048
摘要： An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton.
摘要翻译：有机电致发光器件包括阳极，阴极和置于阳极和阴极之间的有机薄膜层。有机薄膜层包括含有主体和磷光掺杂剂的磷光发光层以及比磷光发光层更靠近阴极的电子传输层。宿主含有取代或未取代的多环稠合芳族骨架。

4. 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）。

5. 发明授权

US08604466B2 Organic electroluminescent element 有权
标题翻译：有机电致发光元件
公开(公告)号：US08604466B2
公开(公告)日：2013-12-10
申请号：US13258693
申请日：2010-03-23
申请人： Jun Endo , Chishio Hosokawa , Toshihiro Iwakuma
发明人： Jun Endo , Chishio Hosokawa , Toshihiro Iwakuma
IPC分类号： H01L35/24
CPC分类号： H01L51/0072 , C07D235/18 , H01L51/0058 , H01L51/0059 , H01L51/5048 , H01L51/5092
摘要： Provided is an organic electroluminescence device that has solved the conventional problems, and is thermally and chemically stable, has high efficiency with which an electron is injected from a cathode layer or an intermediate conductive layer to a light emitting layer, provides high luminous efficiency at a low voltage, and can maintain a long lifetime. Specifically, the organic electroluminescence device is an organic electroluminescence device, including: two electrode layers and optionally one or more intermediate conductive layers; a light emitting layer between the electrode layers, or between one of the electrode layers and the intermediate conductive layer and/or between the intermediate conductive layers; and an electron injection region formed of one or two or more layers between the light emitting layer and the cathode layer and/or between the light emitting layer and the intermediate conductive layer, in which at least one layer in the electron injection region contains at least one kind selected from the group consisting of an oxide of a transition metal belonging to any one of Groups 5 to 8 of the periodic table, a nitrogen-containing heterocyclic derivative, and a chalcogenide, and further contains a compound represented by the formula: MxAOy (in the formula, M represents Li, Na, K, Rb, or Cs, A represents Zr, V, Nb, Ta, Si, or Ge, x represents 1 or 2, and y represents an integer of 1 to 4).
摘要翻译：本发明提供了一种有机电致发光器件，其解决了常规问题，并且是化学稳定的，具有从阴极层或中间导电层向发光层注入电子的高效率，在低电压，可以保持长寿命。具体地说，有机电致发光元件是有机电致发光器件，包括：两个电极层和可选的一个或多个中间导电层; 电极层之间或者电极层和中间导电层之间和/或中间导电层之间的发光层; 以及在所述发光层和所述阴极层之间和/或所述发光层与所述中间导电层之间由一层或两层以上形成的电子注入区域，其中所述电子注入区域中的至少一层至少含有选自属于周期表第5至8族中的任何一种的过渡金属的氧化物，含氮杂环衍生物和硫族化物的一种，并且还包含由下式表示的化合物：MxAOy （式中，M表示Li，Na，K，Rb或Cs，A表示Zr，V，Nb，Ta，Si或Ge，x表示1或2，y表示1〜4的整数。

6. 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.

7. 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.

8. 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。

9. 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.

10. 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.

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