Light-Emitting Device and Electronic Device Using Light-Emitting Device
    31.
    发明申请
    Light-Emitting Device and Electronic Device Using Light-Emitting Device 有权
    发光装置和使用发光装置的电子装置

    公开(公告)号:US20120206675A1

    公开(公告)日:2012-08-16

    申请号:US13371107

    申请日:2012-02-10

    IPC分类号: G02F1/1335 H01L33/08

    摘要: First to third light-emitting elements each including a reflection electrode layer, a transflective electrode layer, and a light-emitting layer provided therebetween are provided. In the first light-emitting element, the light-emitting layer is in contact with the reflection electrode layer and the transflective electrode layer. In the second light-emitting element, a first transparent electrode layer is in contact with the reflection electrode layer, the light-emitting layer is in contact with the first transparent electrode layer and the transflective electrode layer. In the third light-emitting element, a second transparent electrode layer is in contact with the reflection electrode layer, the light-emitting layer is in contact with the second transparent electrode layer and the transflective electrode layer. The first transparent electrode layer is different form the second transparent electrode layer in thickness.

    摘要翻译: 提供了分别包括反射电极层,透反射电极层和设置在其间的发光层的第一至第三发光元件。 在第一发光元件中,发光层与反射电极层和透反射电极层接触。 在第二发光元件中,第一透明电极层与反射电极层接触,发光层与第一透明电极层和透反射电极层接触。 在第三发光元件中,第二透明电极层与反射电极层接触,发光层与第二透明电极层和透反射电极层接触。 第一透明电极层的厚度与第二透明电极层不同。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE
    32.
    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:US20120168738A1

    公开(公告)日:2012-07-05

    申请号:US13415055

    申请日:2012-03-08

    IPC分类号: H01L51/54

    摘要: Light-emitting elements in which an increase of driving voltage can be suppressed are provided. Light-emitting devices whose power consumption is reduced by including such light-emitting elements are also provided. In a light-emitting element having an EL layer between an anode and a cathode, a first layer in which carriers can be produced is formed between the cathode and the EL layer and in contact with the cathode, a second layer which transfers electrons produced in the first layer is formed in contact with the first layer, and a third layer which injects the electrons received from the second layer into the EL layer is formed in contact with the second layer.

    摘要翻译: 提供了可以抑制驱动电压增加的发光元件。 还提供了通过包括这种发光元件而降低功耗的发光装置。 在具有在阳极和阴极之间的EL层的发光元件中,在阴极和EL层之间形成能与阴极接触的第一层,其中可以产生载流子的第一层与第二层接触, 第一层形成为与第一层接触,并且将从第二层接收的电子注入到EL层中的第三层形成为与第二层接触。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, LIGHTING DEVICE, AND ELECTRONIC DEVICE
    35.
    发明申请
    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:US20110260156A1

    公开(公告)日:2011-10-27

    申请号:US13174948

    申请日:2011-07-01

    IPC分类号: H01L51/54

    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。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE
    36.
    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:US20100301316A1

    公开(公告)日:2010-12-02

    申请号:US12785644

    申请日:2010-05-24

    IPC分类号: H01L51/52 H01L51/54

    摘要: An object is to provide a light-emitting element in which suppression of a drive voltage increase is achieved. Another object is to provide a light-emitting device that has reduced power consumption by including such a light-emitting element. In a light-emitting element having an EL layer between an anode and a cathode, between the cathode and the EL layer, a first layer capable of carrier generation is formed in contact with the cathode, a second layer which accepts and transports the electrons generated in the first layer is formed in contact with the first layer, and a third layer which injects the electrons accepted from the second layer into the EL layer is formed in contact with the second layer.

    摘要翻译: 本发明的目的是提供一种能够实现驱动电压增加抑制的发光元件。 另一个目的是提供一种通过包括这种发光元件而降低功耗的发光装置。 在具有阳极和阴极之间的EL层的发光元件中,在阴极和EL层之间,形成能够产生载流子的第一层与阴极接触,第二层接受和传输产生的电子 在第一层中形成为与第一层接触,并且将从第二层接受的电子注入到EL层中的第三层形成为与第二层接触。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE
    38.
    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:US20100133523A1

    公开(公告)日:2010-06-03

    申请号:US12627142

    申请日:2009-11-30

    IPC分类号: H01L51/50

    摘要: Light-emitting elements in which an increase of driving voltage can be suppressed are provided. Light-emitting devices whose power consumption is reduced by including such light-emitting elements are also provided. In a light-emitting element having an EL layer between an anode and a cathode, a first layer in which carriers can be produced is formed between the cathode and the EL layer and in contact with the cathode, a second layer which transfers electrons produced in the first layer is formed in contact with the first layer, and a third layer which injects the electrons received from the second layer into the EL layer is formed in contact with the second layer.

    摘要翻译: 提供了可以抑制驱动电压增加的发光元件。 还提供了通过包括这种发光元件而降低功耗的发光装置。 在具有在阳极和阴极之间的EL层的发光元件中,在阴极和EL层之间形成能与阴极接触的第一层,其中可以产生载流子的第一层与第二层接触, 第一层形成为与第一层接触,并且将从第二层接收的电子注入到EL层中的第三层形成为与第二层接触。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE
    39.
    发明申请
    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE 有权
    发光元件,发光器件和电子器件

    公开(公告)号:US20090283757A1

    公开(公告)日:2009-11-19

    申请号:US12465317

    申请日:2009-05-13

    IPC分类号: H01L51/52

    摘要: Disclosed is a light-emitting element with a good carrier balance and manufacturing method thereof which does not require the formation of the heterostructure. The light-emitting element includes an organic compound film containing a first organic compound as the main component (base material) between an anode and a cathode, wherein the organic compound film is provided in contact with the anode and with the cathode. The first organic compound further includes a light-emitting region to which a light-emitting substance is added and includes a hole-transport region to which a hole-trapping substance is added and/or an electron-transport region to which an electron-trapping substance is added. The hole-transport region is located between the light-emitting region and the anode, and the electron-transport region is located between the light-emitting region and the cathode.

    摘要翻译: 公开了具有良好载流子平衡的发光元件及其制造方法,其不需要形成异质结构。 发光元件包括在阳极和阴极之间含有第一有机化合物作为主要成分(基材)的有机化合物膜,其中有机化合物膜设置成与阳极和阴极接触。 第一有机化合物还包括添加有发光物质的发光区域,并且包括空穴传输区域,空穴俘获物质被添加到其中和/或电子传输区域,电子捕获 添加物质。 空穴传输区域位于发光区域和阳极之间,电子传输区域位于发光区域和阴极之间。

    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC APPLIANCE, AND METHOD OF MANUFACTURING THE SAME
    40.
    发明申请
    LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC APPLIANCE, AND METHOD OF MANUFACTURING THE SAME 有权
    发光元件,发光装置,电子器具及其制造方法

    公开(公告)号:US20120267678A1

    公开(公告)日:2012-10-25

    申请号:US13541109

    申请日:2012-07-03

    IPC分类号: H01L51/52

    摘要: A light-emitting element is provided which has a light-emitting layer between a first electrode and a second electrode, where the light-emitting layer has a first layer and a second layer; the first layer contains a first organic compound and a third organic compound; the second layer contains a second organic compound and the third organic compound; the first layer is provided to be in contact with the second layer on the first electrode side; the first organic compound is an organic compound with an electron transporting property; the second organic compound is an organic compound with a hole transporting property; the third organic compound has an electron trapping property; and light emission from the third organic compound can be obtained when voltage is applied to the first electrode and the second electrode so that the potential of the first electrode is higher than that of the second electrode.

    摘要翻译: 提供一种在第一电极和第二电极之间具有发光层的发光元件,其中发光层具有第一层和第二层; 第一层包含第一有机化合物和第三有机化合物; 第二层包含第二有机化合物和第三有机化合物; 第一层设置成与第一电极侧的第二层接触; 第一有机化合物是具有电子传输性质的有机化合物; 第二有机化合物是具有空穴传输性的有机化合物; 第三有机化合物具有电子捕获性; 并且当对第一电极和第二电极施加电压使得第一电极的电位高于第二电极的电位时,可以获得来自第三有机化合物的发光。