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    • 5. 发明申请
    • HYBRID WHITE ORGANIC LIGHT EMITTTNG DEVICE AND METHOD OF MANUFACTURING THE SAME
    • 混合白色有机发光装置及其制造方法
    • US20100187552A1
    • 2010-07-29
    • US12664040
    • 2008-08-21
    • Jeong Ik LeeHye Yong ChuSung Mook ChungLee Mi DoSang Hee ParkChi Sun Hwang
    • Jeong Ik LeeHye Yong ChuSung Mook ChungLee Mi DoSang Hee ParkChi Sun Hwang
    • H01L51/52H01L51/56
    • H05B33/10
    • Provided are a hybrid white organic light emitting diode (OLED) and a method of fabricating the same. A HOMO level difference between a fluorescent emission layer and an electron transport layer in an organic emission layer (OLED) becomes higher than that between the other layers or a LUMO level difference between a fluorescent emission layer and a hole transport layer is higher than that between the other layers, so that a recombination region is restricted to a part of an emission layer to obtain high-efficiency fluorescent light emission. In addition, triplet excitons that are not used in a fluorescent emission layer are transferred to an auxiliary emission layer formed to be spaced apart from a recombination region by a predetermined distance to emit light in a different color from the fluorescent emission layer, so that both singlet and triplet excitons formed in the OLED are used to obtain high-efficiency white light emission.
    • 提供了一种混合白色有机发光二极管(OLED)及其制造方法。 有机发射层(OLED)中的荧光发射层和电子传输层之间的HOMO电平差异变得高于其它层之间的HOMO电平差,或者荧光发射层和空穴传输层之间的LUMO电平差高于 其他层,使得复合区域被限制在发射层的一部分以获得高效荧光发光。 此外,不用于荧光发射层的三线态激子被转移到形成为与复合区隔开预定距离的辅助发射层,以发射与荧光发射层不同的颜色的光,从而两者 使用在OLED中形成的单线态和三线态激子来获得高效白光发射。