公开(公告)号：US20130105785A1

公开(公告)日：2013-05-02

申请号：US13807836

申请日：2011-07-01

申请人： Masanori Seki ,  Ryuji Ishii ,  Hajime Muta

发明人： Masanori Seki ,  Ryuji Ishii ,  Hajime Muta

IPC分类号： H01L51/50 ,  C07D487/04

CPC分类号： H01L51/5012 ,  C07D487/04 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0085 ,  H01L2251/308 ,  H05B33/10

摘要： The present invention provides a blue or green phosphorescent organic electroluminescent device which has high luminous efficiency. An organic electroluminescent device includes a light-emitting layer containing a pyrroloindole compound represented by general formula (1) below. In general formula (1), X represents a substituted or unsubstituted arylene group, Ar1 and Ar2 each represent a substituted or unsubstituted aryl group, and R1 to R8 each represent a hydrogen atom or an alkyl group having 1 to 2 carbon atoms.

摘要翻译： 本发明提供了具有高发光效率的蓝色或绿色磷光有机电致发光器件。 有机电致发光器件包括含有由以下通式（1）表示的吡咯并吲哚化合物的发光层。 通式（1）中，X表示取代或未取代的亚芳基，Ar 1和Ar 2分别表示取代或未取代的芳基，R 1〜R 8表示氢原子或碳原子数1〜2的烷基。

公开(公告)号：US20130001536A1

公开(公告)日：2013-01-03

申请号：US13583705

申请日：2011-03-14

申请人： Takeshi Sekiguchi ,  Koichi Suzuki ,  Hajime Muta ,  Ryuji Ishii

发明人： Takeshi Sekiguchi ,  Koichi Suzuki ,  Hajime Muta ,  Ryuji Ishii

IPC分类号： C07D413/04 ,  H01L51/54 ,  H01L51/30

CPC分类号： H01L51/0072 ,  C07D413/04 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1048 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0085 ,  H01L51/5016 ,  H05B33/14

摘要： A novel organic compound which can be preferably used as a phosphorescent host material is provided. A benzoxazolyl carbazole compound represented by the general formula [1] shown in the specification is provided.

摘要翻译： 提供了可以优选用作磷光主体材料的新型有机化合物。 提供了由本说明书中所示的通式[1]表示的苯并恶唑基咔唑化合物。

公开(公告)号：US08974923B2

公开(公告)日：2015-03-10

申请号：US13583731

申请日：2011-03-14

申请人： Hajime Muta ,  Takeshi Sekiguchi ,  Ryuji Ishii ,  Koichi Suzuki

发明人： Hajime Muta ,  Takeshi Sekiguchi ,  Ryuji Ishii ,  Koichi Suzuki

IPC分类号： C07D403/04 ,  H01L27/32 ,  H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14

CPC分类号： C07D403/04 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H05B33/14

摘要： The present invention provides a novel organic compound that is chemically stable and can be used as a host material for phosphorescence emission.The present invention provides a benzimidazolyl carbazole compound shown by Formula [1] described in the description.

摘要翻译： 本发明提供化学稳定且可用作磷光发射的主体材料的新型有机化合物。 本发明提供了描述中描述的式[1]所示的苯并咪唑基咔唑化合物。

公开(公告)号：US20130001537A1

公开(公告)日：2013-01-03

申请号：US13583731

申请日：2011-03-14

申请人： Hajime Muta ,  Takeshi Sekiguchi ,  Ryuji Ishii ,  Koichi Suzuki

发明人： Hajime Muta ,  Takeshi Sekiguchi ,  Ryuji Ishii ,  Koichi Suzuki

IPC分类号： C07D403/04 ,  H01L27/32 ,  H01L51/54

CPC分类号： C07D403/04 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H05B33/14

摘要： The present invention provides a novel organic compound that is chemically stable and can be used as a host material for phosphorescence emission.The present invention provides a benzimidazolyl carbazole compound shown by Formula [1] described in the description.

摘要翻译： 本发明提供化学稳定且可用作磷光发射的主体材料的新型有机化合物。 本发明提供了描述中描述的式[1]所示的苯并咪唑基咔唑化合物。

公开(公告)号：US20130001542A1

公开(公告)日：2013-01-03

申请号：US13634505

申请日：2011-03-14

申请人： Maki Okajima ,  Keiji Okinaka ,  Tetsuo Takahashi ,  Hajime Muta ,  Yohei Iwasaki ,  Minako Nakasu ,  Naoki Yamada ,  Yosuke Nishide

发明人： Maki Okajima ,  Keiji Okinaka ,  Tetsuo Takahashi ,  Hajime Muta ,  Yohei Iwasaki ,  Minako Nakasu ,  Naoki Yamada ,  Yosuke Nishide

IPC分类号： H01L51/52

CPC分类号： H01L51/5004 ,  C09K11/06 ,  C09K2211/1011 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5096 ,  H05B33/14

摘要： Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime.An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.

摘要翻译： 本发明的方面提供一种具有连续运行寿命的蓝色有机发光装置。 有机发光器件包括含有具有捕获电子或空穴的能力的掺杂剂的发光层和空穴阻挡层或电子阻挡层，其中掺杂剂的LUMO与LUMO之间的差异 主体材料，主体材料的HOMO和掺杂剂的HOMO之间的尺寸关系，以及主体材料的T1与空穴阻挡层的T1之间或主体材料的T1与主体材料的T1之间的差异 规定了电子阻挡层的T1。

公开(公告)号：US20120205639A1

公开(公告)日：2012-08-16

申请号：US13501123

申请日：2010-12-02

申请人： Minako Nakasu ,  Masataka Yashima ,  Hajime Muta ,  Keiji Okinaka ,  Tomona Yamaguchi ,  Tomonari Horikiri ,  Maki Okajima ,  Naoki Yamada

发明人： Minako Nakasu ,  Masataka Yashima ,  Hajime Muta ,  Keiji Okinaka ,  Tomona Yamaguchi ,  Tomonari Horikiri ,  Maki Okajima ,  Naoki Yamada

IPC分类号： H01L27/32 ,  H01L51/54

CPC分类号： H01L51/006 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  G03G15/04036 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5048 ,  H01L51/506 ,  H01L2251/308 ,  H05B33/14

摘要： Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.

摘要翻译： 提供了一种在连续驱动期间具有增强的耐久性的有机发光器件。 有机发光器件包括：阳极，阴极和置于阳极和阴极之间的有机化合物层，并且至少包括空穴传输层和发射层，其中：发射层包含蓝色发光 材料; 空穴传输层含有多种有机化合物; 有机化合物中具有最小电离电位的有机化合物包括在自由基阳离子状态的蓝色波长区域中不具有吸收光谱峰的化合物。

公开(公告)号：US20110001864A1

公开(公告)日：2011-01-06

申请号：US12919968

申请日：2009-05-14

申请人： Keiji Okinaka ,  Masataka Yashima ,  Maki Okajima ,  Hajime Muta

发明人： Keiji Okinaka ,  Masataka Yashima ,  Maki Okajima ,  Hajime Muta

IPC分类号： G09G3/30 ,  G09G5/10 ,  H04N5/225 ,  H01L51/52 ,  H01L33/26

CPC分类号： H01L51/5012 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0085

摘要： An organic light emitting device having long continuous driving lifetime is provided. The organic light emitting device includes an anode, a cathode, and an emission layer formed of an organic compound arranged between the anode and the cathode, in which the emission layer includes a light emitting material and a material having a smallest ionization potential, and an absorption spectrum in a radical cation state of the material having the smallest ionization potential in the emission layer does not have its absorption peak in an emission wavelength region of the light emitting material.

摘要翻译： 提供了具有长连续驱动寿命的有机发光器件。 有机发光器件包括阳极，阴极和由布置在阳极和阴极之间的有机化合物形成的发射层，其中发射层包括发光材料和具有最小电离电位的材料，以及 在发光层中具有最小电离电位的材料的自由基阳离子状态的吸收光谱在发光材料的发射波长区域中不具有其吸收峰。

公开(公告)号：US09331296B2

公开(公告)日：2016-05-03

申请号：US13634505

申请日：2011-03-14

申请人： Maki Okajima ,  Keiji Okinaka ,  Tetsuo Takahashi ,  Hajime Muta ,  Yohei Iwasaki ,  Minako Nakasu ,  Naoki Yamada ,  Yosuke Nishide

发明人： Maki Okajima ,  Keiji Okinaka ,  Tetsuo Takahashi ,  Hajime Muta ,  Yohei Iwasaki ,  Minako Nakasu ,  Naoki Yamada ,  Yosuke Nishide

IPC分类号： H01L51/54 ,  H01L51/50 ,  C09K11/06 ,  H05B33/14 ,  H01L51/00

CPC分类号： H01L51/5004 ,  C09K11/06 ,  C09K2211/1011 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5096 ,  H05B33/14

摘要： Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime.An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.

摘要翻译： 本发明的方面提供一种具有连续运行寿命的蓝色有机发光装置。 有机发光器件包括含有具有捕获电子或空穴的能力的掺杂剂的发光层和空穴阻挡层或电子阻挡层，其中掺杂剂的LUMO与LUMO之间的差异 主体材料，主体材料的HOMO和掺杂剂的HOMO之间的尺寸关系，以及主体材料的T1与空穴阻挡层的T1之间或主体材料的T1与主体材料的T1之间的差异 规定了电子阻挡层的T1。

公开(公告)号：US09312494B2

公开(公告)日：2016-04-12

申请号：US13501123

申请日：2010-12-02

申请人： Minako Nakasu ,  Masataka Yashima ,  Hajime Muta ,  Keiji Okinaka ,  Tomona Yamaguchi ,  Tomonari Horikiri ,  Maki Okajima ,  Naoki Yamada

发明人： Minako Nakasu ,  Masataka Yashima ,  Hajime Muta ,  Keiji Okinaka ,  Tomona Yamaguchi ,  Tomonari Horikiri ,  Maki Okajima ,  Naoki Yamada

IPC分类号： H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H01L51/50 ,  H05B33/14

CPC分类号： H01L51/006 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  G03G15/04036 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5048 ,  H01L51/506 ,  H01L2251/308 ,  H05B33/14

摘要： Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.

摘要翻译： 提供了一种在连续驱动期间具有增强的耐久性的有机发光装置。 有机发光器件包括：阳极，阴极和置于阳极和阴极之间的有机化合物层，并且至少包括空穴传输层和发射层，其中：发射层包含蓝色发光 材料; 空穴传输层含有多种有机化合物; 有机化合物中具有最小电离电位的有机化合物包括在自由基阳离子状态的蓝色波长区域中不具有吸收光谱峰的化合物。

公开(公告)号：US08354788B2

公开(公告)日：2013-01-15

申请号：US12919968

申请日：2009-05-14

申请人： Keiji Okinaka ,  Masataka Yashima ,  Maki Okajima ,  Hajime Muta

发明人： Keiji Okinaka ,  Masataka Yashima ,  Maki Okajima ,  Hajime Muta

IPC分类号： H01J1/62

CPC分类号： H01L51/5012 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0085

摘要： An organic light emitting device having long continuous driving lifetime is provided. The organic light emitting device includes an anode, a cathode, and an emission layer formed of an organic compound arranged between the anode and the cathode, in which the emission layer includes a light emitting material and a material having a smallest ionization potential, and an absorption spectrum in a radical cation state of the material having the smallest ionization potential in the emission layer does not have its absorption peak in an emission wavelength region of the light emitting material.

摘要翻译： 提供了具有长连续驱动寿命的有机发光器件。 有机发光器件包括阳极，阴极和由布置在阳极和阴极之间的有机化合物形成的发射层，其中发射层包括发光材料和具有最小电离电位的材料，以及 在发光层中具有最小电离电位的材料的自由基阳离子状态的吸收光谱在发光材料的发射波长区域中不具有其吸收峰。