公开(公告)号：US20130005067A1

公开(公告)日：2013-01-03

申请号：US13609956

申请日：2012-09-11

申请人： Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Harue NAKASHIMA ,  Kumi KOJIMA ,  Satoshi SEO ,  Masakazu EGAWA ,  Ryoji NOMURA

发明人： Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Harue NAKASHIMA ,  Kumi KOJIMA ,  Satoshi SEO ,  Masakazu EGAWA ,  Ryoji NOMURA

IPC分类号： C09K11/06 ,  H01L51/56

CPC分类号： H01L51/0058 ,  C07D209/86 ,  C07D209/88 ,  C09K11/06 ,  C09K2211/1011 ,  H01L27/3244 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5012 ,  H05B33/14 ,  Y10S428/917

摘要： It is an object of the present invention to provide a novel material capable of realizing excellent color purity of blue, and a light emitting element and a light emitting device using the novel material. Further, it is an object of the present invention to provide which is highly reliable, and a light emitting element and a light emitting device using the novel material. The structure for solving the above problems in accordance with the present invention is an anthracene derivative simultaneously having a diphenylanthracene structure and a carbazole skeleton in a molecule as represented by structural formula (1):

摘要翻译： 本发明的目的是提供能够实现蓝色优异色纯度的新型材料，以及使用该新型材料的发光元件和发光装置。 此外，本发明的目的是提供高可靠性的发明元件和使用该新型材料的发光元件。 根据本发明的解决上述问题的结构是在由结构式（1）表示的分子中同时具有二苯基蒽结构和咔唑骨架的蒽衍生物：

公开(公告)号：US20120248421A1

公开(公告)日：2012-10-04

申请号：US13429560

申请日：2012-03-26

申请人： Shunpei YAMAZAKI ,  Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Hiroshi KADOMA ,  Harue OSAKA

发明人： Shunpei YAMAZAKI ,  Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Hiroshi KADOMA ,  Harue OSAKA

IPC分类号： H01L51/54

CPC分类号： H01L51/504 ,  H01L27/3209 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L2251/5346 ,  H01L2251/5376 ,  H01L2251/5384

摘要： A light-emitting element having extremely high efficiency of approximately 25% is provided. The light-emitting element includes a light-emitting layer which contains a phosphorescent guest, an n-type host, and a p-type host, where the light-emitting layer is interposed between an n-type layer including the n-type host and a p-type layer including the p-type host, and where the n-type host and the p-type host are able to form an exciplex in the light-emitting layer. The light-emitting element exhibits an extremely high emission efficiency (power efficiency of 74.3 lm/W, external quantum efficiency of 24.5%, energy efficiency of 19.3%) at a low driving voltage (2.6 V) at which luminance of 1200 cd/m2 is attainable.

摘要翻译： 提供了具有极高效率约25％的发光元件。 发光元件包括含有磷光客体，n型主体和p型主体的发光层，其中发光层插入在包括n型主体的n型层之间 以及包含p型主体的p型层，其中n型主体和p型主体能够在发光层中形成激光复合物。 在1200cd / m2的亮度的低驱动电压（2.6V）下，发光元件显示出极高的发光效率（74.3lm / W的功率效率，24.5％的外部量子效率，能量效率为19.3％） 是可以实现的

公开(公告)号：US20120199818A1

公开(公告)日：2012-08-09

申请号：US13450726

申请日：2012-04-19

申请人： Hiroko NOMURA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Satoshi SEO

发明人： Hiroko NOMURA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Satoshi SEO

IPC分类号： H01L51/54 ,  C07D401/14 ,  C07D403/10

CPC分类号： H01L51/0067 ,  C07D215/38 ,  C07D249/08 ,  C07D401/14 ,  C07D403/10 ,  C07D403/14 ,  C09K11/025 ,  C09K11/06 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5203 ,  Y10S428/917

摘要： It is an object of the present invention to provide a novel triazole derivative. Further, it is another object of the present invention to provide a light-emitting element having high luminous efficiency with the use of the novel triazole derivative. Moreover, it is still another object of the present invention to provide a light-emitting device and electronic devices which have low power consumption. A light-emitting element having high luminous efficiency can be manufactured with the use of a triazole derivative which is a 1,2,4-triazole derivative, in which an aryl group or a heteroaryl group is bonded to each of 3-position, 4-position, and 5-position, and in which any one of the aryl group or heteroaryl group has a 9H-carbazol-9-yl group.

摘要翻译： 本发明的目的是提供一种新的三唑衍生物。 此外，本发明的另一个目的是提供一种使用新型三唑衍生物的具有高发光效率的发光元件。 此外，本发明的另一个目的是提供一种具有低功耗的发光装置和电子装置。 可以使用三唑衍生物制造发光效率高的发光元件，它是1,2,4-三唑衍生物，其中芳基或杂芳基键合在3-位上，4位 - 位和5-位，其中芳基或杂芳基中的任一个具有9H-咔唑-9-基。

公开(公告)号：US20110024732A1

公开(公告)日：2011-02-03

申请号：US12899975

申请日：2010-10-07

申请人： Nobuharu OHSAWA ,  Hiroko ABE ,  Hideko INOUE ,  Satoko SHITAGAKI ,  Satoshi SEO

发明人： Nobuharu OHSAWA ,  Hiroko ABE ,  Hideko INOUE ,  Satoko SHITAGAKI ,  Satoshi SEO

IPC分类号： H01L51/30

CPC分类号： C09K11/06 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L27/3244 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5278 ,  H05B33/14 ,  Y10S428/917

摘要： It is an object of the present invention to obtain an organometallic complex that is capable of converting an excited triplet state into luminescence, a light-emitting element that can be driven for a long time, is high in luminous efficiency, and has a favorable long lifetime, and a light-emitting device using the light-emitting element. The present invention provides a light-emitting element that has a pair of electrodes (an anode and a cathode) and a light-emitting layer between a pair of electrodes, where the light-emitting layer includes an organometallic complex represented by the following general formula (5) and one of a compound that has a larger energy gap than the organometallic complex and a compound that has a larger ionization potential and a smaller electron affinity than the organometallic complex, and provides a light-emitting device using the light-emitting device.

摘要翻译： 本发明的目的是获得能够将激发的三线态转化为发光的有机金属络合物，长时间驱动的发光元件的发光效率高，并且具有良好的长 寿命和使用发光元件的发光器件。 本发明提供一种在一对电极之间具有一对电极（阳极和阴极）和发光层的发光元件，其中发光层包括由以下通式表示的有机金属络合物 （5）和具有比有机金属络合物更大的能隙的化合物和具有比有机金属络合物更大的电离电位和更小的电子亲和性的化合物之一，并且提供使用该发光器件的发光器件 。

公开(公告)号：US20100141130A1

公开(公告)日：2010-06-10

申请号：US12699913

申请日：2010-02-04

申请人： Masakazu EGAWA ,  Sachiko KAWAKAMI ,  Harue NAKASHIMA ,  Nobuharu OHSAWA ,  Satoshi SEO ,  Ryoji NOMURA

发明人： Masakazu EGAWA ,  Sachiko KAWAKAMI ,  Harue NAKASHIMA ,  Nobuharu OHSAWA ,  Satoshi SEO ,  Ryoji NOMURA

IPC分类号： H01J1/63 ,  C07D403/12 ,  C07D403/14 ,  C07D241/36

CPC分类号： C07D241/12 ,  C07D241/42 ,  C07D241/44 ,  C07D403/12 ,  C07D403/14 ,  C09K11/06 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5012 ,  H01L2251/308 ,  H05B33/20

摘要： It is an object to provide a novel bipolar organic compound. In particular, it is an object to provide a bipolar organic compound excellent in thermal stability. Further, it is another object to provide a bipolar organic compound which is electrochemically stable. A quinoxaline derivative represented by a general formula (1) is provided. Further, since the quinoxaline derivative represented by the general formula (1) is bipolar, the use of the quinoxaline derivative of the present invention allows fabrication of a light-emitting element and a light-emitting device with a low driving voltage and low power consumption. Furthermore, a light-emitting element with high luminous efficiency can be obtained.

摘要翻译： 本发明的目的是提供一种新型的双极有机化合物。 特别是其目的在于提供热稳定性优异的双极性有机化合物。 此外，另一个目的是提供一种电化学稳定的双极有机化合物。 提供由通式（1）表示的喹喔啉衍生物。 此外，由于通式（1）表示的喹喔啉衍生物是双极性的，所以使用本发明的喹喔啉衍生物可以制造具有低驱动电压和低功耗的发光元件和发光器件 。 此外，可以获得具有高发光效率的发光元件。

公开(公告)号：US20090140643A1

公开(公告)日：2009-06-04

申请号：US12323492

申请日：2008-11-26

申请人： Nobuharu OHSAWA ,  Hideko INOUE ,  Satoshi SEO

发明人： Nobuharu OHSAWA ,  Hideko INOUE ,  Satoshi SEO

IPC分类号： H01J1/62

CPC分类号： H01L51/0085 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1088 ,  C09K2211/185 ,  H01L51/5016

摘要： A light-emitting element having high emission efficiency and long lifetime is provided. By manufacturing a light-emitting device using the light-emitting element, the light-emitting device having low power consumption and long lifetime is provided. The light-emitting element is manufactured in which a light-emitting layer is included between a first electrode serving as an anode and a second electrode serving as a cathode. The light-emitting layer includes a first organic compound having a hole-transporting property, a second organic compound having an electron-transporting property, and an organometallic complex including a dibenzo[f,h]quinoxaline skeleton as a ligand. Further, a light-emitting device is manufactured using the light-emitting element.

摘要翻译： 提供了发光效率高，寿命长的发光元件。 通过制造使用发光元件的发光装置，提供了具有低功耗和长寿命的发光装置。 制造发光元件，其中在用作阳极的第一电极和用作阴极的第二电极之间包括发光层。 发光层包括具有空穴传输性的第一有机化合物，具有电子传输性的第二有机化合物和包含二苯并[f，h]喹喔啉骨架作为配体的有机金属络合物。 此外，使用发光元件制造发光器件。

公开(公告)号：US20120302751A1

公开(公告)日：2012-11-29

申请号：US13570832

申请日：2012-08-09

申请人： Hiroko NOMURA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Satoshi SEO

发明人： Hiroko NOMURA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Satoshi SEO

IPC分类号： C07D403/12 ,  C07D403/14 ,  C07D413/14 ,  C07D413/12

CPC分类号： H01L51/0072 ,  C07D403/12 ,  C07D403/14 ,  C07D413/12 ,  H01L27/3209 ,  H01L27/3283 ,  H01L51/0061 ,  H01L51/007 ,  H01L51/0085 ,  H01L51/5016 ,  H05B33/20

摘要： Disclosed is a carbazole derivative and a light-emitting element, a light-emitting device, and an electronic device using thereof. The carbazole derivative possesses an oxadiazole moiety or a quinoxaline moiety as a heteroaromatic ring having an electron-transporting property and a carbazole moiety having a hole-transporting property. The ability of the carbazole derivative to transport both electrons and holes and its large excitation energy larger than a triplet excitation energy of a phosphorescent compound allow the formation of a phosphorescent light-emitting element having well-controlled carrier balance, which contributes to the formation of light-emitting devices and electronic devices that are capable of being driven at a low voltage, have a long lifetime, and consume low power. The detailed structure of the carbazole derivative is defined in the specification.

摘要翻译： 公开了咔唑衍生物和发光元件，发光装置和使用其的电子器件。 咔唑衍生物具有恶二唑部分或喹喔啉部分作为具有电子传输性质的杂芳族环和具有空穴传输性的咔唑部分。 咔唑衍生物传输电子和空穴的能力以及大于磷光化合物的三线态激发能的大的激发能使得形成具有良好控制的载流子平衡的磷光发光元件有助于形成 能够以低电压驱动的发光装置和电子装置寿命长，消耗低功率。 咔唑衍生物的详细结构在说明书中定义。

公开(公告)号：US20120256535A1

公开(公告)日：2012-10-11

申请号：US13433508

申请日：2012-03-29

申请人： Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Hiroshi KADOMA ,  Harue OSAKA ,  Shunpei YAMAZAKI

发明人： Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Hiroshi KADOMA ,  Harue OSAKA ,  Shunpei YAMAZAKI

IPC分类号： H01J1/62

CPC分类号： H01L51/5028 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024 ,  H05B33/14

摘要： To provide a light-emitting element with high emission efficiency or long lifetime, in which the use amount of a phosphorescent compound is small. To provide a light-emitting element including a light-emitting layer between a pair of electrodes, wherein the light-emitting layer includes a phosphorescent compound, a first organic compound, and a second organic compound, and the combination of the first organic compound and the second organic compound forms an exciplex. The light-emitting element transfers energy by utilizing the overlap between the emission spectrum of the exciplex and the absorption spectrum of the phosphorescent compound and thus has high energy transfer efficiency, even when the concentration of the phosphorescent compound is low.

摘要翻译： 为了提供磷光化合物的使用量小的发光效率高，寿命长的发光元件。 为了提供一种在一对电极之间包括发光层的发光元件，其中发光层包括磷光化合物，第一有机化合物和第二有机化合物，以及第一有机化合物和 第二有机化合物形成激元复合物。 发光元件利用激光复合物的发射光谱和磷光化合物的吸收光谱之间的重叠而传递能量，因此即使当磷光化合物的浓度低时，也具有高的能量转移效率。

公开(公告)号：US20120242219A1

公开(公告)日：2012-09-27

申请号：US13419892

申请日：2012-03-14

申请人： Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Kunihiko SUZUKI

发明人： Satoshi SEO ,  Satoko SHITAGAKI ,  Nobuharu OHSAWA ,  Hideko INOUE ,  Kunihiko SUZUKI

IPC分类号： H01J1/62

CPC分类号： H01L51/5028 ,  C07D409/10 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/185 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H05B33/14

摘要： A light-emitting element having high external quantum efficiency is provided. A light-emitting element having low drive voltage is provided. Provided is a light-emitting element which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound between a pair of electrodes. A combination of the first organic compound and the second organic compound forms an exciplex (excited complex). An emission spectrum of the exciplex overlaps with an absorption band located on the longest wavelength side of an absorption spectrum of the phosphorescent compound. A peak wavelength of the emission spectrum of the exciplex is longer than or equal to a peak wavelength of the absorption band located on the longest wavelength side of the absorption spectrum of the phosphorescent compound.

摘要翻译： 提供具有高外部量子效率的发光元件。 提供具有低驱动电压的发光元件。 提供一种发光元件，其包括在一对电极之间包含磷光化合物，第一有机化合物和第二有机化合物的发光层。 第一有机化合物和第二有机化合物的组合形成激元复合物（激发络合物）。 激发子的发射光谱与位于磷光化合物的吸收光谱的最长波长侧的吸收带重叠。 激光复合物的发射光谱的峰值波长长于或等于位于磷光化合物的吸收光谱的最长波长侧的吸收带的峰值波长。

公开(公告)号：US20120235166A1

公开(公告)日：2012-09-20

申请号：US13484602

申请日：2012-05-31

申请人： Hiromi NOWATARI ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Takahiro USHIKUBO ,  Tetsuo TSUTSUI

发明人： Hiromi NOWATARI ,  Satoshi SEO ,  Nobuharu OHSAWA ,  Takahiro USHIKUBO ,  Tetsuo TSUTSUI

IPC分类号： H01L51/50

CPC分类号： H01L51/5012 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/007 ,  H01L51/0072 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/504 ,  H01L51/5278

摘要： An object is to provide a light-emitting element which exhibits light emission with high luminance and can be driven at low voltage. Another object is to provide a light-emitting device or an electronic device with reduced power consumption. Between an anode and a cathode, n (n is a natural number of two or more) EL layers are provided, where between a first EL layer and a second EL layer, a first layer containing any of an alkali metal, an alkaline earth metal, a rare earth metal, an alkali metal compound, an alkaline earth metal compound, and a rare earth metal compound, a second layer containing a material having a high electron-transporting property in contact with the first layer, and a region containing a material having a high hole-transporting property and an acceptor material in contact with the second layer are provided in this order from the anode side.

摘要翻译： 本发明的目的是提供一种具有高亮度发光并能够以低电压驱动的发光元件。 另一个目的是提供具有降低的功耗的发光装置或电子装置。 在阳极和阴极之间，提供n（n是两个或多个的自然数）EL层，其中在第一EL层和第二EL层之间，含有碱金属，碱土金属 ，稀土金属，碱金属化合物，碱土金属化合物和稀土金属化合物，含有与第一层接触的电子传输性高的材料的第二层和含有材料的区域 从阳极侧依次设置具有高空穴传输性和与第二层接触的受主材料。