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公开(公告)号：US10529934B2
公开(公告)日：2020-01-07
申请号：US15511553
申请日：2015-09-09
发明人： Takakazu Saito , Yusuke Ishii , Kazuei Ohuchi , Nobuhiko Akino , Rui Ishikawa
摘要： Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. The metal complex is represented by the following formula (1): wherein M represents an iridium atom or the like, n1 represents 1 to 3, n2 represents 0 to 2, X1 to X8 represent a carbon atom or the like, R1 to R8 represent a hydrogen atom or the like, one of Xa and Xb is a single bond, and the other is a group represented by —CR11R12—CR13R14—, R11 to R14 represent an alkyl group or the like, ring A represents a heteroaromatic ring, and A1-G1-A2 represents an anionic bidentate ligand.
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公开(公告)号：US10128449B2
公开(公告)日：2018-11-13
申请号：US15109959
申请日：2014-12-18
发明人： Takakazu Saito , Yusuke Ishii , Kazuei Ohuchi , Kohei Asada , Nobuhiko Akino
摘要： A metal complex represented by the following formula (1) is provided. In formula (1), M represents an iridium atom or a platinum atom; n1 represents 1, 2 or 3. n2 represents 0, 1 or 2; E1 to E4 represent a nitrogen atom or a carbon atom; R1 to R10 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryl group, an aryloxy group, a monovalent heterocyclic group or a halogen atom; Xa and Xb represent a direct bond, an oxygen atom, a sulfur atom, —C(═O)—, —CRXa2— or —NRXa—; A1-G1-A2 represents an anionic bidentate ligand; and G1 represents an atomic group constituting a bidentate ligand together with A1 and A2.
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公开(公告)号：US20140374727A1
公开(公告)日：2014-12-25
申请号：US14372033
申请日：2013-01-10
申请人： Sumitomo Chemical Company, Limited , National Institute of Advanced Industrial Science and Technology
发明人： Nobuhiko Akino , Taichi Abe , Hideo Konno , Shigeru Shimada , Kazuhiko Sato
CPC分类号： H01L51/0085 , C07F7/0805 , C07F15/0033 , C08K5/0091 , C08K5/56 , C09K11/06 , C09K2211/1007 , C09K2211/1059 , C09K2211/185 , H01L51/5012 , H01L51/5016 , H01L51/5203 , H05B33/10
摘要： A highly stable metal complex useful for the manufacture of a light-emitting device has an excellent lifetime property, particularly in a blue region, specifically a metal complex represented by Formula (1): wherein M is a metal atom; each R0 independently represents a divalent linking group; i and j each independently represent 0 or 1; RP1, RP2, RP3, RP4, RP5 and RP6 resent each independently rep a hydrogen atom and the like, with a proviso that at least one of RP1, RP2, RP3, RP4, RP5 and RP6 is a dendron; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom and the like.
摘要翻译： 用于制造发光器件的高度稳定的金属络合物具有优异的寿命特性，特别是在蓝色区域，特别是由式（1）表示的金属络合物：其中M是金属原子; 每个R 10独立地表示二价连接基团; i和j各自独立地表示0或1; RP1，RP2，RP3，RP4，RP5和RP6各自独立地表示氢原子等，条件是RP1，RP2，RP3，RP4，RP5和RP6中的至少一个是树突; m为1〜3的整数，n为0〜2的整数，m + n为2或3。 和由式（2）表示的部分：表示二齿配体; 其中Rx和Ry是与金属原子M键合的原子，并且各自独立地表示碳原子等。
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公开(公告)号：US11046655B2
公开(公告)日：2021-06-29
申请号：US16089485
申请日：2017-03-21
IPC分类号： C07D235/18 , H01L51/50
摘要： A compound represented by the formula (1) is provided: wherein A1 represents an oxygen atom, a sulfur atom, —NR5— or —PR5—; at least one A1 is —NR5— or —PR5—; R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an alkylsulfenyl group, a cycloalkylsulfenyl group, an arylsulfenyl group or a disubstituted amino group; R2 and R3 represent an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, a cycloalkoxy group, an aryloxy group, an alkylsulfenyl group, a cycloalkylsulfenyl group, an arylsulfenyl group, a monovalent heterocyclic group, a halogen atom or a disubstituted amino group; R4 represents a hydrogen atom, —C(R6)3, —OR7, —N(R7)2 or —Si(R7)3; m represents an integer of 0 to 3; and n represents an integer of 0 to 4.
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公开(公告)号：US11005044B2
公开(公告)日：2021-05-11
申请号：US15759890
申请日：2016-09-30
发明人： Toshiaki Sasada , Makoto Anryu , Nobuhiko Akino , Takakazu Saito
IPC分类号： H01L51/00 , C09K11/06 , C08F2/44 , C07F15/00 , H01L51/50 , C08F12/26 , C08G61/12 , C09K11/02
摘要： A light emitting device is provided which contains an anode, a cathode, and two organic layers disposed between the anode and the cathode. The first organic layer contains a phosphorescent material and the second organic layer contains a crosslinked body of a crosslinkable material and a phosphorescent material. The two phosphorescent materials contain the same phosphorescent compound represented by formula (1), and the crosslinkable material is a compound represented by formula (3): In formula (1), M represents a metal atom, n1 is ≥1, n2 is ≥0, E1 and E2 represent a carbon atom, L1 and L2 represent an aromatic heterocyclic ring, and A1-G1-A2 represents an anionic bidentate ligand. In formula (3), mB1 to mB3 represent an integer of ≥0, Ar7 may represent an aromatic hydrocarbon group, LB1 may represent a divalent group, and X″ may represent a crosslinkable group.
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公开(公告)号：US09976078B2
公开(公告)日：2018-05-22
申请号：US15064717
申请日：2016-03-09
发明人： Nobuhiko Akino , Chizu Sekine , Satoshi Mikami , Tomoya Nakatani
IPC分类号： H01L51/50 , C09K11/02 , C08G61/02 , C08G61/10 , C08K5/00 , C08L65/00 , C09K11/06 , H01L51/00 , C09D5/22
CPC分类号： C09K11/025 , C08G61/02 , C08G61/10 , C08K5/0041 , C08L65/00 , C09D5/22 , C09K11/06 , C09K2211/1416 , C09K2211/1425 , C09K2211/1441 , C09K2211/145 , C09K2211/1458 , C09K2211/1466 , C09K2211/185 , H01L51/0035 , H01L51/0039 , H01L51/0043 , H01L51/0085 , H01L51/5016
摘要： This invention provides a luminescent composition comprising a polymer and at least one phosphorescent compound, characterized in that the electronic conjunction chain coefficient Ze of the main repeating minimum unit of the polymer falls within the following range: 0
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公开(公告)号：US20150014669A1
公开(公告)日：2015-01-15
申请号：US14371844
申请日：2013-01-10
申请人： Sumitomo Chemical Company, Limited , National Institute of Advanced Industrial Science and Technology
发明人： Nobuhiko Akino , Taichi Abe , Hideo Konno , Shigeru Shimada , Kazuhiko Sato
IPC分类号： H01L51/00
CPC分类号： H01L51/0085 , C07F15/0033 , C08K5/0091 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1059 , C09K2211/185 , H01L51/5012 , H01L51/5016 , H05B33/10
摘要： A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): wherein M is a metal atom; R0 is a divalent linking group; each j independently represents 0 or 1; RP1, RP2, RP3, RP4 and RP6 each independently represents a hydrogen atom or the like; RP5 represents a halogen atom or the like; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom, an oxygen atom or a nitrogen atom.
摘要翻译： 金属络合物显示出高色纯度的蓝色发光，具有温度依赖性低的色纯度，特别是在蓝色区域。 具体地，金属络合物由式（1a）表示：其中M是金属原子; R 0是二价连接基团; 每个j独立地表示0或1; RP1，RP2，RP3，RP4和RP6各自独立地表示氢原子等; RP5表示卤素原子等; m为1〜3的整数，n为0〜2的整数，m + n为2或3。 和由式（2）表示的部分：表示二齿配体; 其中Rx和Ry是与金属原子M键合的原子，并且各自独立地表示碳原子，氧原子或氮原子。
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公开(公告)号：US10711091B2
公开(公告)日：2020-07-14
申请号：US16089464
申请日：2017-03-21
IPC分类号： H01L51/50 , C08G61/10 , H05B33/10 , H01L51/00 , C07D235/18
摘要： Provided is a light-emitting device including an anode, a light-emitting layer, an electron-transporting layer and a cathode. The electron-transporting layer contains at least one electron-transporting material whose LUMO level is −3.0 eV or more and at least one dopant material selected from the group consisting of a heterocyclic compound whose SOMO level is −2.2 to −1.5 eV and a derivative thereof. The LUMO level of the electron-transporting material is smaller than the SOMO level of the heterocyclic compound.
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公开(公告)号：US10431760B2
公开(公告)日：2019-10-01
申请号：US15315110
申请日：2015-05-22
发明人： Makoto Anryu , Nobuhiko Akino
摘要： A light emitting device excellent in luminance life includes an anode, a cathode, a first organic layer (containing at least one phosphorescent compound) disposed between the anode and cathode and a second organic layer (containing at least one phosphorescent compound and a crosslinked body) disposed between the anode and first organic layer. At least one phosphorescent compound contained in the first and second organic layers is the same phosphorescent compound and is represented by the formula (1): wherein M may be an iridium atom, n1 represents an integer of 1 or more, n2 may be 0 or more, E1 and E2 may be a carbon atom, ring L1 represents an aromatic heterocyclic ring, ring L2 may be an aromatic hydrocarbon ring, A1-G1-A2 represents an anionic bidentate ligand, and at least one of rings L1 and L2 has an aryl group, a monovalent heterocyclic group or a substituted amino group.
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公开(公告)号：US09735374B2
公开(公告)日：2017-08-15
申请号：US14371844
申请日：2013-01-10
申请人： Sumitomo Chemical Company, Limited , National Institute of Advanced Industrial Science and Technology
发明人： Nobuhiko Akino , Taichi Abe , Hideo Konno , Shigeru Shimada , Kazuhiko Sato
CPC分类号： H01L51/0085 , C07F15/0033 , C08K5/0091 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1059 , C09K2211/185 , H01L51/5012 , H01L51/5016 , H05B33/10
摘要： A metal complex exhibits blue light emission of high color purity and has a color purity of small temperature dependence, particularly in the blue region. Specifically, the metal complex is represented by Formula (1a): wherein M is a metal atom; R0 is a divalent linking group; each j independently represents 0 or 1; RP1, RP2, RP3, RP4 and RP6 each independently represents a hydrogen atom or the like; RP5 represents a halogen atom or the like; m is an integer of from 1 to 3, n is an integer of from 0 to 2, and m+n is 2 or 3; and the portion represented by Formula (2): represents a bidentate ligand; wherein Rx and Ry are an atom bonding to the metal atom M, and each independently represents a carbon atom, an oxygen atom or a nitrogen atom.
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