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    • 2. 发明申请
    • ORGANIC LIGHT EMITTING DEVICES
    • 有机发光装置
    • US20090189509A1
    • 2009-07-30
    • US12327365
    • 2008-12-03
    • Yong QiuKongwu WuGuohui ZhangLian Duan
    • Yong QiuKongwu WuGuohui ZhangLian Duan
    • H01J1/63
    • H01L51/0058C09K11/025C09K11/06C09K2211/1011C09K2211/1014H01L51/006H01L51/0081H01L51/5028H01L51/5036H01L51/504H01L51/5056H01L51/5072H01L51/5278H01L2251/5384H01L2251/562Y02B20/181
    • The present invention relates to monochromatic organic light emitting devices. The organic light emitting device includes a substrate, an anode, a cathode and an organic electroluminescent medium disposed between the anode and the cathode, wherein the organic electroluminescent medium includes compound monochromatic luminescent layer; and the compound monochromatic luminescent layer includes host A doped with monochromatic dopant and host B doped with monochromatic dopant, wherein the host A is consisted of two kinds of materials with different transporting characteristics, one is hole-transporting material, and the other is electron-transporting material. In addition, the present invention further relates to white organic light emitting devices, wherein the organic electroluminescent medium is consisted of at least one compound monochromatic luminescent layer, which includes host A doped with monochromatic dopant and host B doped with monochromatic dopant. The present invention provides a design to improve the lifetime of the organic light emitting device markedly.
    • 本发明涉及单色有机发光器件。 有机发光器件包括衬底,阳极,阴极和设置在阳极和阴极之间的有机电致发光介质,其中有机电致发光介质包括复合单色发光层; 并且复合单色发光层包括掺杂有单色掺杂剂的主体A和掺杂有单色掺杂剂的主体B,其中主体A由具有不同传输特性的两种材料组成,一种是空穴传输材料,另一种是电子 - 运输材料。 此外,本发明还涉及白色有机发光器件,其中有机电致发光介质由至少一个化合物单色发光层组成,其包括掺杂有单色掺杂剂的主体A和掺杂有单色掺杂剂的主体B. 本发明提供了一种显着改善有机发光器件寿命的设计。
    • 8. 发明授权
    • Organic light emitting device with cathode interface modification layer and fabrication method thereof
    • 具有阴极界面改性层的有机发光器件及其制造方法
    • US08367221B2
    • 2013-02-05
    • US12427846
    • 2009-04-22
    • Yong QiuLian DuanYang LiGuohui Zhang
    • Yong QiuLian DuanYang LiGuohui Zhang
    • H01L51/54
    • H01L51/5092H01L51/5221H01L2251/558
    • The present invention provides an organic light emitting device and a fabrication method thereof, comprising a substrate, an anode layer formed on said substrate, an organic function layer formed on said anode layer, and a cathode layer formed on said organic function layer, characterized in that, further comprising a cathode interface modification layer between said organic function layer and said cathode layer, wherein said cathode interface modification layer contains a compound AxByCz, A is an element of Group IA or IIA, B is an element of Group IIIA or VA, C is a hydrogen element, and 1≦x≦2, yε[0,1], 1≦z≦4. In the present invention, the cathode interface modification layer is formed after forming a light emitting layer, the cathode interface modification layer contains a compound AxByCz, the electron injection ability at the cathode interface can be improved by adding the cathode interface modification layer, and hence the device performance can be significantly improved. At the same time, the process feasibility of the material is good during the fabrication, and thus the yield of the device can be further improved.
    • 本发明提供了一种有机发光器件及其制造方法,包括:衬底,形成在所述衬底上的阳极层,形成在所述阳极层上的有机功能层,以及形成在所述有机功能层上的阴极层,其特征在于: 还包括在所述有机功能层和所述阴极层之间的阴极界面改性层,其中所述阴极界面改性层含有化合物AxByCz,A是IAA或IIA族的元素,B是IIIA或VA族的元素, C是氢元素,和1≦̸ x≦̸ 2,y&egr; [0,1],1≦̸ z≦̸ 4。 在本发明中,在形成发光层之后形成阴极界面改性层,阴极界面改性层含有化合物AxByCz,通过添加阴极界面改性层可以提高阴极界面处的电子注入能力,因此 器件性能可以显着提高。 同时,在制造过程中材料的工艺可行性良好,从而可以进一步提高装置的产量。