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    • 8. 发明公开
    • OLED DEVICE HAVING IMPROVED LIGHT OUTPUT
    • OLED-EINRICHTUNG MIT VERBESSERTER LICHTAUSGABE
    • EP1927144A1
    • 2008-06-04
    • EP06803827.2
    • 2006-09-20
    • Eastman Kodak Company
    • COK, Ronald StevenREVELLI, Joseph Francis Jr.SHORE, Joel DavidTUTT, Lee WilliamPREUSS, Donald Robert
    • H01L51/52
    • H01L51/5268H01L27/3211H01L51/5271H01L2251/5323
    • An organic light-emitting diode (OLED) device, comprising: first and second non-metallic transparent electrodes (13, 16), and one or more layers of organic material (14) formed between the first and second non-metallic transparent electrodes (13, IS), the layers of organic material (14) including one or more light-emitting layers; and one or more non-metallic reflective layers (15) located on a side of either of the first or second non-metallic transparent electrodes (13, 16) opposite to the organic material layers (14) ; wherein the device further comprises a light transmissive scattering layer (22) in optical contact with the organic material layers (14) and the electrodes (13, 16) or wherein at least one of the one or more non-metallic reflective layers (15) comprises a reflective scattering layer (23) in optical contact with the organic material layers (14) and the electrodes (13, 16) . Additionally, a low-index layer (19) is preferably employed in various embodiments to improve device sharpness.
    • 一种有机发光二极管(OLED)装置,包括:第一和第二非金属透明电极,以及形成在第一和第二非金属透明电极之间的一层或多层有机材料,有机材料层包括一个或多个 更多的发光层; 以及位于与有机材料层相对的第一或第二非金属透明电极中的任一个的一侧上的一个或多个非金属反射层; 其中所述装置还包括与所述有机材料层和所述电极光学接触的透光散射层,或者所述一个或多个非金属反射层中的至少一个包括与所述有机材料层光学接触的反射散射层,以及 电极。 此外,在各种实施例中优选使用低折射率层以提高装置清晰度。