公开(公告)号：US09663711B2

公开(公告)日：2017-05-30

申请号：US13590388

申请日：2012-08-21

申请人： Kyoko Takeda ,  Harue Osaka ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Hiromi Seo

发明人： Kyoko Takeda ,  Harue Osaka ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Satoshi Seo ,  Hiromi Seo

IPC分类号： H01L51/50 ,  C09K11/06 ,  H01L51/00

CPC分类号： C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1044 ,  C09K2211/1088 ,  C09K2211/1092 ,  C09K2211/1096 ,  C09K2211/185 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5072 ,  H01L2251/552

摘要： A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to −3.5 eV and less than or equal to −2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.

公开(公告)号：US09608222B2

公开(公告)日：2017-03-28

申请号：US13240003

申请日：2011-09-22

申请人： Tsunenori Suzuki ,  Satoshi Seo

发明人： Tsunenori Suzuki ,  Satoshi Seo

IPC分类号： H01L27/15 ,  H01L31/12 ,  H01L33/00 ,  H01L29/74 ,  H01L29/00 ,  H01L51/50 ,  H01L51/00 ,  H01L51/52

CPC分类号： H01L51/5012 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0062 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0081 ,  H01L51/5036 ,  H01L51/5278

摘要： A light-emitting element is provided, including a first electrode and a second electrode, a first layer including first and second organic compounds, the first layer being formed between the first electrode and the second electrode wherein the first organic compound is capable of emitting a first light and the second organic compound has an electron transporting property, and a second layer including third and fourth organic compounds, the second layer being formed between the first layer and the second electrode wherein the third organic compound is capable of emitting a second light and has an electron trap property and the fourth organic compound has an electron transporting property.

公开(公告)号：US09564609B2

公开(公告)日：2017-02-07

申请号：US13369797

申请日：2012-02-09

申请人： Toshiki Sasaki ,  Nozomu Sugisawa ,  Hisao Ikeda ,  Satoshi Seo ,  Nobuharu Ohsawa ,  Shunpei Yamazaki

发明人： Toshiki Sasaki ,  Nozomu Sugisawa ,  Hisao Ikeda ,  Satoshi Seo ,  Nobuharu Ohsawa ,  Shunpei Yamazaki

IPC分类号： H01L33/00 ,  H01L51/52 ,  H01L51/50

CPC分类号： H01L51/5218 ,  H01L51/5036 ,  H01L51/5265

摘要： A light-emitting element disclosed includes a first electrode layer; a second electrode layer which transmits light; and a light-emitting layer interposed between the first electrode layer and the second electrode layer. The first electrode layer includes a first conductive layer which is able to reflect light, a second conductive layer provided over the first conductive layer and including titanium, and a third conductive layer which transmits light and contains a metal oxide having work function higher than that of a material of the first conductive layer.

摘要翻译： 所公开的发光元件包括第一电极层; 透光的第二电极层; 以及插入在第一电极层和第二电极层之间的发光层。 第一电极层包括能够反射光的第一导电层，设置在第一导电层上并包括钛的第二导电层，以及透射光并包含具有比第二导电层的功函数高的功函数的金属氧化物的第三导电层 第一导电层的材料。

公开(公告)号：US09394280B2

公开(公告)日：2016-07-19

申请号：US13598253

申请日：2012-08-29

申请人： Satoshi Seo ,  Satoko Shitagaki ,  Miyako Morikubo ,  Naoaki Hashimoto ,  Takahiro Ishisone ,  Kyoko Takeda ,  Hiromi Seo

发明人： Satoshi Seo ,  Satoko Shitagaki ,  Miyako Morikubo ,  Naoaki Hashimoto ,  Takahiro Ishisone ,  Kyoko Takeda ,  Hiromi Seo

IPC分类号： H01L51/50 ,  C07D403/14 ,  C07D409/14 ,  H05B33/14 ,  C09K11/06 ,  H01L51/00

CPC分类号： H01L51/0072 ,  C07D403/14 ,  C07D409/14 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/006 ,  H01L51/0071 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5076 ,  H05B33/14

摘要： To provide a novel heterocyclic compound that can be used as a host material in which a light-emitting substance of a light-emitting layer is dispersed. A heterocyclic compound comprising a dibenzo[f,h]quinoxaline ring and two hole-transport skeletons, where the dibenzo[f,h]quinoxaline ring and the two hole-transport skeletons are bonded to an aromatic hydrocarbon group. A heterocyclic compound represented by the following general formula (G1) is provided. Note that in the formula, A1 and A2 each independently represent any of a substituted or unsubstituted carbazole skeleton, a substituted or unsubstituted dibenzofuran skeleton, and a substituted or unsubstituted dibenzothiophen skeleton; B represents a substituted or unsubstituted dibenzo[f,h]quinoxaline skeleton; and Ar represents an arene skeleton having 6 to 13 carbon atoms. A light-emitting element including the heterocyclic compound is provided.

摘要翻译： 提供可用作分散发光层的发光物质的主体材料的新型杂环化合物。 包含二苯并[f，h]喹喔啉环和两个空穴传输骨架的杂环化合物，其中二苯并[f，h]喹喔啉环和两个空穴传输骨架与芳族烃基键合。 提供由以下通式（G1）表示的杂环化合物。 注意，在该式中，A1和A2各自独立地表示取代或未取代的咔唑骨架，取代或未取代的二苯并呋喃骨架和取代或未取代的二苯并噻吩骨架中的任意一种; B代表取代或未取代的二苯并[f，h]喹喔啉骨架; Ar表示碳原子数6〜13的芳烃骨架。 提供了包含杂环化合物的发光元件。

公开(公告)号：US09385328B2

公开(公告)日：2016-07-05

申请号：US13419863

申请日：2012-03-14

申请人： Kaori Ogita ,  Hiromi Nowatari ,  Harue Osaka ,  Takahiro Ushikubo ,  Satoshi Seo ,  Takako Takasu

发明人： Kaori Ogita ,  Hiromi Nowatari ,  Harue Osaka ,  Takahiro Ushikubo ,  Satoshi Seo ,  Takako Takasu

IPC分类号： H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  H05B33/14 ,  C07F15/00

CPC分类号： H01L51/0052 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1092 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0085 ,  H05B33/14

摘要： A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.

摘要翻译： 提供了包含有机化合物和无机化合物并具有高载流子传输性能的复合材料。 提供具有良好载体注入有机化合物性质的复合材料。 提供了由于电荷转移相互作用而导致的光吸收不可能发生的复合材料。 提供具有高可见光透射特性的复合材料。 提供了包含相对于烃化合物显示电子接受性的烃化合物和无机化合物的复合材料。 烃化合物具有与萘骨架，菲骨架或三亚苯骨架结合的取代基，分子量为350〜2000，该取代基具有一个以上选自苯环，萘环，菲 环和三亚苯环。

公开(公告)号：US09309223B2

公开(公告)日：2016-04-12

申请号：US13537763

申请日：2012-06-29

申请人： Hiroshi Kadoma ,  Kaori Ogita ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Satoshi Seo

发明人： Hiroshi Kadoma ,  Kaori Ogita ,  Satoko Shitagaki ,  Nobuharu Ohsawa ,  Satoshi Seo

IPC分类号： H01L51/54 ,  C09K11/06 ,  C07D401/10 ,  C07D405/10 ,  C07D409/10 ,  H01L51/00 ,  H05B33/20 ,  H01L51/50

CPC分类号： H01L51/0072 ,  C07D401/10 ,  C07D405/10 ,  C07D409/10 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1088 ,  C09K2211/1092 ,  H01L51/0074 ,  H01L51/5012 ,  H01L51/5016 ,  H05B33/20

摘要： Provided is a novel heterocyclic compound which can be used as a host material for dispersing a light-emitting material in a light-emitting layer of a light-emitting element. Further provided is a light-emitting element which is driven at a low voltage and has high current efficiency. By including the light-emitting element, a light-emitting device, an electronic device, and a lighting device each with reduced power consumption are provided. The light-emitting element contains a compound in which a dibenzo[f,h]quinoline ring and a hole-transport skeleton are bonded through an arylene group. The light-emitting device, the electronic device, and the lighting device each including the light-emitting element are provided. The light-emitting element contains a heterocyclic compound having a structure represented by the following general formula (G1).

摘要翻译： 提供了一种新颖的杂环化合物，其可以用作将发光材料分散在发光元件的发光层中的主体材料。 进一步提供了以低电压驱动并具有高电流效率的发光元件。 通过包括发光元件，提供了具有降低的功耗的发光器件，电子器件和照明器件。 发光元件含有二苯并[f，h]喹啉环和空穴传输骨架通过亚芳基键合的化合物。 提供了包括发光元件的发光装置，电子装置和照明装置。 发光元件含有具有由以下通式（G1）表示的结构的杂环化合物。

公开(公告)号：US09224968B2

公开(公告)日：2015-12-29

申请号：US13552899

申请日：2012-07-19

申请人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

发明人： Yuji Iwaki ,  Junichiro Sakata ,  Hisao Ikeda ,  Tomoya Aoyama ,  Takaaki Nagata ,  Takahiro Kawakami ,  Satoshi Seo ,  Ryoji Nomura

IPC分类号： H01L51/50 ,  H01L51/00

CPC分类号： H01L51/5048 ,  H01L51/0059 ,  H01L51/0062 ,  H01L51/0072 ,  H01L51/0081

摘要： An object of the present invention is to provide a light-emitting element with high luminous efficiency, and a light-emitting element of low-voltage driving. Another object is to provide a light-emitting device with low power consumption by using the light-emitting element. Another object is to provide an electronic appliance with low power consumption by using the light-emitting device in a display portion. A light-emitting element includes, between a pair of electrodes, a layer containing a composite material of a first organic compound and an inorganic compound and a layer containing a second organic compound being in contact with the layer containing the composite material, wherein the second organic compound does not have a peak of an absorption spectrum in a wavelength region of 450 to 800 nm if the second organic compound is compounded with the inorganic compound.

摘要翻译： 本发明的目的是提供一种发光效率高的发光元件和低电压驱动用发光元件。 另一个目的是通过使用发光元件来提供具有低功耗的发光装置。 另一个目的是通过在显示部分中使用发光装置来提供具有低功耗的电子设备。 发光元件在一对电极之间包括含有第一有机化合物和无机化合物的复合材料的层和包含与含有复合材料的层接触的第二有机化合物的层，其中第二 如果第二有机化合物与无机化合物混合，有机化合物在450-800nm的波长区域中不具有吸收光谱的峰值。

公开(公告)号：US09155158B2

公开(公告)日：2015-10-06

申请号：US13432253

申请日：2012-03-28

申请人： Hideko Inoue ,  Yui Yamada ,  Nobuharu Ohsawa ,  Satoshi Seo

发明人： Hideko Inoue ,  Yui Yamada ,  Nobuharu Ohsawa ,  Satoshi Seo

IPC分类号： H01L51/54 ,  C09K11/06 ,  H05B33/14 ,  C07F15/00 ,  H01L51/00 ,  H01L51/50

CPC分类号： H05B33/14 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1059 ,  C09K2211/185 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/5016 ,  H01L51/504

摘要： The organometallic complex, which is a novel substance, is represented by General Formula (G1) or General Formula (G2). In General Formula (G1), R1 represents an alkyl group having 1 to 4 carbon atoms and R2 to R10 each represents hydrogen or an alkyl group having 1 to 4 carbon atoms. M represents a Group 9 element or a Group 10 element. When M is a Group 9 element, n is 3, and when M is a Group 10 element, N is 2. In General Formula (G2), R11 represents an alkyl group having 1 to 4 carbon atoms and R12 to R20 each represents hydrogen or an alkyl group having 1 to 4 carbon atoms. M represents a Group 9 element or a Group 10 element. When M is a Group 9 element, n is 3, and when M is a Group 10 element, N is 2.

摘要翻译： 作为新物质的有机金属络合物由通式（G1）或通式（G2）表示。 在通式（G1）中，R 1表示碳原子数1〜4的烷基，R 2〜R 10各自表示氢或碳原子数1〜4的烷基。 M表示第9族元素或第10族元素。 当M为9族元素时，n为3，当M为10族时，N为2.在通式（G2）中，R 11表示碳原子数1〜4的烷基，R 12〜R 20表示氢 或碳原子数为1〜4的烷基。 M表示第9族元素或第10族元素。 当M为9族元素时，n为3，当M为10族时，N为2。

公开(公告)号：US09112170B2

公开(公告)日：2015-08-18

申请号：US11713622

申请日：2007-03-05

申请人： Nobuharu Ohsawa ,  Satoshi Seo ,  Hiroko Murata

发明人： Nobuharu Ohsawa ,  Satoshi Seo ,  Hiroko Murata

IPC分类号： H01L51/54 ,  H01L51/50

CPC分类号： H01L51/504 ,  H01L51/5016 ,  H01L51/5028 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5206 ,  H01L51/5221 ,  H01L2251/562

摘要： It is an object to provide an element structure which is suitable for a light-emitting element using a phosphorescent compound. It is another object to provide a light-emitting element with high luminous efficiency by using the element structure. In particular, it is another object to provide a light-emitting element with high luminous efficiency and long life. A light-emitting element is manufactured, which includes a first light-emitting layer and a second light-emitting layer provided to be in contact with each other between a first electrode and a second electrode, where the first light-emitting layer includes a hole transporting host material and a phosphorescent compound, and the second light-emitting layer includes an electron transporting host material and the phosphorescent compound.

摘要翻译： 本发明的目的是提供一种适用于使用磷光化合物的发光元件的元件结构。 另一个目的是通过使用元件结构来提供具有高发光效率的发光元件。 特别地，本发明的另一个目的是提供一种具有高发光效率和长寿命的发光元件。 制造发光元件，其包括第一发光层和设置成在第一电极和第二电极之间彼此接触的第二发光层，其中第一发光层包括孔 传输主体材料和磷光化合物，并且第二发光层包括电子传输主体材料和磷光化合物。

公开(公告)号：US09048439B2

公开(公告)日：2015-06-02

申请号：US13074214

申请日：2011-03-29

申请人： Hiromi Nowatari ,  Satoshi Seo

发明人： Hiromi Nowatari ,  Satoshi Seo

IPC分类号： H01L51/54 ,  H01L51/00 ,  H01L51/50

CPC分类号： H01L51/0078 ,  H01L51/0072 ,  H01L51/5036 ,  H01L51/5048 ,  Y10S428/917

摘要： A light-emitting element which emits light with high luminance and can be driven at low voltage. The light-emitting element includes n (n is a natural number of 2 or more) EL layers between an anode and a cathode, and includes a first layer, a second layer, and a third layer between an m-th (m is a natural number, 1≦m≦n−1) EL layer from the anode and an (m+1)th EL layer. The first layer functions as a charge-generation region, has hole-transport properties, and contains an acceptor substance. The third layer has electron-transport properties and contains an alkali metal or the like. The second layer formed of a metal complex having a metal-oxygen bond and an aromatic ligand is provided between the first and third layers, whereby an injection barrier at the time of injecting electrons generated in the first layer into the m-th EL layer through the third layer can be lowered.

摘要翻译： 发光的发光元件，其亮度高，可以低电压驱动。 发光元件包括在阳极和阴极之间的n（n是2以上的自然数）EL层，并且包括第m层之间的第一层，第二层和第三层（m是 自然数，1＆nlE; m＆nlE; n-1）来自阳极的EL层和第（m + 1）个EL层。 第一层用作电荷产生区域，具有空穴传输性质，并且含有受体物质。 第三层具有电子传输性质并含有碱金属等。 由具有金属 - 氧键的金属络合物和芳族配体形成的第二层设置在第一和第三层之间，由此在第一层中产生的电子注入第m层EL层时的注入势垒通过 可以降低第三层。