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    • 10. 发明申请
    • LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS
    • 发光装置,显示装置和电子装置
    • US20110127906A1
    • 2011-06-02
    • US12946962
    • 2010-11-16
    • Masayuki MITSUYAMasahisa OTAKE
    • Masayuki MITSUYAMasahisa OTAKE
    • H01J1/62H01L51/54
    • H01L27/3209H01L27/322H01L51/0072H01L51/5036H01L51/5048H01L51/5278H01L2251/5315
    • A light-emitting device includes an anode; a cathode; a first light-emitting unit provided between the anode and the cathode and having at least one light-emitting layer; a second light-emitting unit provided between the cathode and the first light-emitting unit and having at least one light-emitting layer; and a carrier generation layer provided between the first light-emitting unit and the second light-emitting unit, the carrier generation layer generating holes and electrons in response to application of a voltage between the anode and the cathode. The carrier generation layer includes an n-type electron transport layer and an electron-withdrawing layer, the n-type electron transport layer being positioned between_the first light-emitting unit and the electron-withdrawing layer and containing alkali metal oxide and an electron-transporting material having electron transport properties, the electron-withdrawing layer contacting the n-type electron transport layer and containing organic cyanide having an aromatic ring.
    • 发光器件包括阳极; 阴极 设置在所述阳极和所述阴极之间并具有至少一个发光层的第一发光单元; 第二发光单元,设置在所述阴极和所述第一发光单元之间并且具有至少一个发光层; 以及载体产生层,设置在第一发光单元和第二发光单元之间,载体产生层响应于在阳极和阴极之间施加电压而产生空穴和电子。 载流子产生层包括n型电子传输层和吸电子层,n型电子传输层位于第一发光单元和吸电子层之间并含有碱金属氧化物和电子传输 具有电子传输性质的材料,吸电子层与n型电子传输层接触并含有具有芳环的有机氰化物。