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    • 7. 发明申请
    • ORGANIC LIGHT EMITTING DIODE (OLED) DEVICE
    • 有机发光二极管(OLED)器件
    • WO2013177986A1
    • 2013-12-05
    • PCT/CN2013/074578
    • 2013-04-24
    • AU OPTRONICS CORPORATION
    • WU, ChangyenCHO, TingyiLEE, MengtingHO, MenghuanCHIANG, PohsuanCHEN, Chiehwei
    • H01L51/50
    • H01L27/3209H01L51/5004H01L51/506H01L51/5076H01L51/5221H01L51/5278H01L2251/5353H01L2251/5376
    • An organic light emitting diode device (100) has a substrate (102), a cathode (110) formed on the substrate (102), an anode (190) spaced-apart from the cathode (110), a plurality of electroluminescent units (120a,120b, 120n) stacked between the cathode (110) and the anode (190), and a plurality of charge generation layers (150a, 150b), each of which is formed between two adjacent electroluminescent units. Each electroluminescent unit (120a,120b, 120n) has an electron-transport layer (130), an emission layer (135) formed on the electron-transport layer (130), and a hole-transport layer (140) formed on the emission layer (135). The electron-transport layer (130a) of the first electroluminescent unit (120a) is formed on the cathode (110), defining a first energy barrier, and the anode (190) is formed on the hole-transport layer (140n) of the last electroluminescent unit (120n), defining a second energy barrier. The first energy barrier is higher than the second energy barrier. The first electroluminescent unit (120a) has a lifetime longer than that of each of the rest electroluminescent units (120b,120n).
    • 有机发光二极管装置(100)具有基板(102),形成在基板(102)上的阴极(110),与阴极(110)间隔开的阳极(190),多个电致发光单元 层叠在阴极(110)和阳极(190)之间的多个电荷产生层(150a,150b),每个电荷产生层形成在两个相邻的电致发光单元之间。 每个电致发光单元(120a,120b,120n)具有电子传输层(130),形成在电子传输层(130)上的发射层(135)和形成在发射层上的空穴传输层(140) 层(135)。 第一电致发光单元(120a)的电子传输层(130a)形成在阴极(110)上,限定第一能量势垒,并且阳极(190)形成在第一电致发光单元的空穴传输层(140n)上 最后的电致发光单元(120n),限定第二能量屏障。 第一个能量屏障高于第二个能量屏障。 第一电致发光单元(120a)的寿命比其余电致发光单元(120b,120n)的寿命长。