Light emitting device
    1.
    发明授权
    Light emitting device 有权
    发光装置

    公开(公告)号:US07473575B2

    公开(公告)日:2009-01-06

    申请号:US10737569

    申请日:2003-12-16

    IPC分类号: H01L51/40

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子的组合 运输材料和掺杂剂材料被优化。

    Light emitting device
    3.
    发明授权
    Light emitting device 失效
    发光装置

    公开(公告)号:US06734457B2

    公开(公告)日:2004-05-11

    申请号:US10304410

    申请日:2002-11-26

    IPC分类号: H01L3524

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子的组合 运输材料和掺杂剂材料被优化。

    Light emitting device
    5.
    发明申请
    Light emitting device 有权
    发光装置

    公开(公告)号:US20080143254A1

    公开(公告)日:2008-06-19

    申请号:US11976781

    申请日:2007-10-29

    IPC分类号: H01J1/63

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子 运输材料和掺杂剂材料被优化。

    Light emitting device
    6.
    发明授权
    Light emitting device 有权
    发光装置

    公开(公告)号:US07737437B2

    公开(公告)日:2010-06-15

    申请号:US12335747

    申请日:2008-12-16

    IPC分类号: H01L51/40

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子的组合 运输材料和掺杂剂材料被优化。

    Light emitting element, light emitting device, and lighting system
    7.
    发明授权
    Light emitting element, light emitting device, and lighting system 有权
    发光元件,发光元件和照明系统

    公开(公告)号:US07951470B2

    公开(公告)日:2011-05-31

    申请号:US11632593

    申请日:2005-08-12

    IPC分类号: H01L51/54

    摘要: According to the present invention, a light-emitting element, a light-emitting device, and a lighting system, each of which has a broad spectrum like sunlight and has high color rendering properties, can be obtained. One embodiment of the present invention has a light-emitting device which includes at least two kinds of luminescence center materials, and at least one kind of the luminescence center materials is a quinoxaline derivative represented by the following general formula (1): wherein R1 to R4 are individually hydrogen or an alkyl group having 4 carbon atoms (a straight-chain structure or a branch structure).

    摘要翻译: 根据本发明,可以获得具有像太阳光这样的宽光谱并且具有高显色性的发光元件,发光元件和照明系统。 本发明的一个实施方案具有包含至少两种发光中心材料的发光装置,并且至少一种发光中心材料是由以下通式(1)表示的喹喔啉衍生物:其中R1至 R4独立地为氢或具有4个碳原子的烷基(直链结构或分支结构)。

    Organic light emitting element and light emitting device using the same
    9.
    发明授权
    Organic light emitting element and light emitting device using the same 有权
    有机发光元件和使用其的发光装置

    公开(公告)号:US07560177B2

    公开(公告)日:2009-07-14

    申请号:US11506856

    申请日:2006-08-21

    IPC分类号: H01L51/54

    摘要: A chelate complex having as its central metal tungsten which is an inexpensive metal and which is a heavy atom is applied to an organic light emitting element, thereby obtaining an organic light emitting element capable of converting the triplet excitation energy into light emission. By applying the organic light emitting element using this metal complex, an inexpensive light emitting device which is bright but consumes little power can be provided as well as an electric appliance using the light emitting device.

    摘要翻译: 作为其中心金属钨作为廉价金属并且是重质原子的螯合络合物被施加到有机发光元件上,从而获得能够将三重态激发能转化为发光的有机发光元件。 通过使用该金属络合物涂布有机发光元件,可以提供明亮但消耗很少功率的廉价的发光器件以及使用该发光器件的电器。