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    • 65. 发明公开
    • Organic light-emitting diode, display and illuminating device
    • 有机发光二极管,显示器和照明装置
    • EP2503617A2
    • 2012-09-26
    • EP11181032.1
    • 2011-09-13
    • Kabushiki Kaisha Toshiba
    • Sawabe, TomoakiTakasu, IsaoOno, TomioEnomoto, ShintaroKaneko, TakashiAono, Shinjiro
    • H01L51/50
    • H01L51/5044H01L51/0052H01L51/0059H01L51/0085H01L51/5004H01L2251/5376
    • According to one embodiment, there is provided an organic light-emitting diode (10) including an anode (12) and a cathode (17) which are arranged apart from each other, a red and green emissive layer (14a) on the anode side and a blue emissive layer (14c) on the cathode side, which are arranged to be separated from each other between the anode (12) and the cathode (17), and a spacer layer (14b) which is inserted between the red and green emissive layer (14a) and the blue emissive layer (14c), and consists of a hole transport material which prevents energy transfer from the blue emissive layer (14c) to the red and green emissive layer (14a). The red and green emissive layer (14a) contains a host material having hole transportability, a red phosphorescent emitting dopant, and a green phosphorescent emitting dopant, and the blue emissive layer (14c) contains a host material having electron transportability and a blue fluorescent emitting dopant.
    • 根据一个实施例,提供了一种有机发光二极管(10),其包括彼此分开布置的阳极(12)和阴极(17),阳极侧的红色和绿色发射层(14a) 和在阳极(12)和阴极(17)之间彼此分离布置的阴极侧上的蓝色发射层(14c),以及插入在红色和绿色之间的间隔层(14b) (14a)和蓝色发射层(14c),并且由阻止蓝色发射层(14c)到红色和绿色发射层(14a)的能量转移的空穴传输材料组成。 红色和绿色发射层(14a)包含具有空穴传输性的主体材料,红色磷光发射掺杂剂和绿色磷光发射掺杂剂,并且蓝色发射层(14c)包含具有电子传输性和蓝色荧光发射的主体材料 掺杂剂。