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    Light-emitting element, light-emitting device, lighting device, and electronic device
    2.
    发明授权
    Light-emitting element, light-emitting device, lighting device, and electronic device 有权
    发光元件，发光装置，照明装置和电子装置

    公开(公告)号：US09099682B2

    公开(公告)日：2015-08-04

    申请号：US12874392

    申请日：2010-09-02

    申请人： Hiromi Nowatari ,  Satoshi Seo

    发明人： Hiromi Nowatari ,  Satoshi Seo

    IPC分类号： H01L51/54 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

    CPC分类号： H01L51/0067 ,  H01L27/3209 ,  H01L51/001 ,  H01L51/0032 ,  H01L51/0053 ,  H01L51/006 ,  H01L51/0081 ,  H01L51/5004 ,  H01L51/504 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5278

    摘要： A light-emitting element is provided, in which n (n is a natural number of two or more) EL layers are provided between an anode and a cathode. Between the m-th (in is a natural number, 1≦m≦n−1) EL layer and the (m+1)-th 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 substance having high electron-transport properties in contact with the first layer, and a charge-generation layer containing a substance having high hole-transport properties and an acceptor substance in contact with the second layer are provided in this order over the anode. The charge-generation layer does not have a peak of an absorption spectrum in a visible light region.

    摘要翻译： 提供了一种发光元件，其中n（n是两个或更多个的自然数）EL层设置在阳极和阴极之间。 在第m（in是自然数，1＆nlE; m＆nlE; n-1）EL层和第（m + 1）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物质的第二层和含有物质的电荷产生层 具有高空穴传输性能和与第二层接触的受主物质依次设置在阳极上。 电荷产生层在可见光区域中不具有吸收光谱的峰值。

    Light-emitting element, light-emitting device, electronic device, and lighting device
    3.
    发明授权
    Light-emitting element, light-emitting device, electronic device, and lighting device 有权
    发光元件，发光元件，电子元件及照明器具

    公开(公告)号：US09012041B2

    公开(公告)日：2015-04-21

    申请号：US13040511

    申请日：2011-03-04

    申请人： Hiromi Nowatari ,  Satoshi Seo

    发明人： Hiromi Nowatari ,  Satoshi Seo

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

    CPC分类号： H01L51/5092 ,  H01L51/0072 ,  H01L51/0078 ,  H01L51/506 ,  H01L51/5068 ,  Y10S428/917

    摘要： A light-emitting element includes an EL layer between an anode and a cathode, and a first layer, a second layer, and a third layer between the cathode and the EL layer. The first layer provided between the cathode and the second layer is in contact with the cathode and the second layer, and includes a substance having a hole-transport property and an acceptor substance. The second layer provided between the first layer and the third layer is in contact with the first layer and the third layer, and includes a phthalocyanine-based material. The third layer provided between the second layer and the EL layer is in contact with the second layer and the EL layer, and includes an alkali metal, an alkaline-earth metal, a rare-earth metal, an alkali metal compound, an alkaline-earth metal compound, or a rare-earth metal compound.

    摘要翻译： 发光元件包括在阳极和阴极之间的EL层，以及在阴极和EL层之间的第一层，第二层和第三层。 设置在阴极和第二层之间的第一层与阴极和第二层接触，并且包括具有空穴传输性质的物质和受主物质。 设置在第一层和第三层之间的第二层与第一层和第三层接触，并且包括基于酞菁的材料。 设置在第二层和EL层之间的第三层与第二层和EL层接触，并且包括碱金属，碱土金属，稀土金属，碱金属化合物，碱金属化合物， 土金属化合物或稀土金属化合物。

    Organic Light-Emitting Element, Organometallic Complex, Light-Emitting Device, Electronic Appliance, and Lighting Device
    4.
    发明申请
    Organic Light-Emitting Element, Organometallic Complex, Light-Emitting Device, Electronic Appliance, and Lighting Device 有权
    有机发光元件，有机金属复合体，发光装置，电子电器和照明装置

    公开(公告)号：US20120264936A1

    公开(公告)日：2012-10-18

    申请号：US13446216

    申请日：2012-04-13

    申请人： Hideko Inoue ,  Hiromi Nowatari ,  Satoshi Seo

    发明人： Hideko Inoue ,  Hiromi Nowatari ,  Satoshi Seo

    IPC分类号： C07F15/00

    CPC分类号： C07F15/0033 ,  C07F15/0086

    摘要： Disclosed is a phosphorescent organometallic complex having: a 6-membered aromatic heterocycle having a nitrogen atom; iridium or platinum to which the nitrogen atom coordinates; and an aryl group which is bonded to an α-carbon of the nitrogen atom and is ortho-metalated with the iridium or platinum, where at least one of the aromatic heterocycle and the aryl group has an alicyclic hydrocarbon having an intramolecular carbon-carbon bridged bond as a substituent. The ability of the bulky structure of the alicyclic hydrocarbon to inhibit aggregation of the organometallic complex, concerted with the strong electron-donating property of the alicyclic hydrocarbon to the aromatic heterocycle or the aryl group, contributes to the increase in absorption coefficient and phosphorescent efficiency of the organometallic complex. The improved absorption coefficient and the phosphorescent efficiency allow the formation of a light-emitting element with excellent external quantum efficiency over 25%.

    摘要翻译： 公开了具有：具有氮原子的6元芳族杂环的磷光有机金属络合物; 氮原子坐标的铱或铂; 和与氮原子的α-碳键合并与铱或铂进行邻位金属化的芳基，其中芳族杂环和芳基中的至少一个具有桥接的分子内碳 - 碳的脂环族烃 键作为取代基。 由脂环烃的大体积结构抑制有机金属配合物的聚集，与脂环烃的强电子性质与芳香族杂环或芳基一致，有助于提高吸收系数和磷光效率 有机金属络合物。 改善的吸收系数和磷光效率允许形成具有优异的外部量子效率超过25％的发光元件。

    Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device
    8.
    发明申请
    Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device 有权
    发光元件，发光装置，电子装置和照明装置

    公开(公告)号：US20110240972A1

    公开(公告)日：2011-10-06

    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

    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。

    Light-emitting element, light-emitting device, electronic device, and lighting device comprising a phthalocyanine-based material
    9.
    发明授权
    Light-emitting element, light-emitting device, electronic device, and lighting device comprising a phthalocyanine-based material 有权

    公开(公告)号：US09093653B2

    公开(公告)日：2015-07-28

    申请号：US13072908

    申请日：2011-03-28

    申请人： Hiromi Nowatari ,  Satoshi Seo

    发明人： Hiromi Nowatari ,  Satoshi Seo

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

    摘要： A light-emitting element that emits light with high luminance and can be driven at low voltage. The light-emitting element includes n (n is a natural number greater than or equal to 2) 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 is formed of a phthalocyanine-based material and is provided between the first layer and the third layer, 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.