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    • 8. 发明申请
    • STABILIZED WHITE-EMITTING OLED DEVICE
    • 稳定的白炽OLED器件
    • WO2009025810A1
    • 2009-02-26
    • PCT/US2008/009894
    • 2008-08-20
    • EASTMAN KODAK COMPANYSPINDLER, Jeffrey PaulHATWAR, Tukaram Kisan
    • SPINDLER, Jeffrey PaulHATWAR, Tukaram Kisan
    • H01L51/52H01L51/54
    • H01L51/0058H01L51/0054H01L51/006H01L51/0071H01L51/0072H01L51/008H01L51/0081H01L51/5036
    • White light-emitting OLED device having an anode and a cathode, comprising: a first light-emitting layer provided over the anode and containing a first host material and a first light-emitting material, wherein the first host material is a mixture of one or more mono-anthracene derivatives and one or more aromatic amine derivatives, wherein the mono-anthracene derivative(s) being provided in a volume fraction range of greater than 50% and less than or equal to 95% relative to the total layer volume, and the aromatic amine derivative(s) being provided in a volume fraction range of 1% to 40% relative to the total layer volume, and wherein the first light-emitting material has a peak emission in the yellow to red portion of the spectrum; a second light-emitting layer provided over or under the first light-emitting layer, wherein the second light-emitting layer has a peak emission in the blue to cyan portion of the spectrum.
    • 具有阳极和阴极的白色发光OLED器件包括:设置在阳极上并包含第一主体材料和第一发光材料的第一发光层,其中第一主体材料是一个或多个第一发光材料的混合物, 更多的单蒽衍生物和一种或多种芳族胺衍生物,其中所述单蒽衍生物以相对于总层体积大于50%且小于或等于95%的体积分数范围提供,以及 所述芳族胺衍生物相对于总层体积的体积分数范围为1%〜40%,其中所述第一发光材料在所述光谱的黄色至红色部分具有峰值发射; 设置在所述第一发光层的上方或下方的第二发光层,其中所述第二发光层在所述光谱的蓝色至青色部分具有峰值发射。