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    • 1. 发明授权
    • Methods of making a full-color organic light-emitting display
    • 制造全彩有机发光显示器的方法
    • US06066357A
    • 2000-05-23
    • US217729
    • 1998-12-21
    • Ching W. TangKee-Chuan Pan
    • Ching W. TangKee-Chuan Pan
    • H05B33/10H01L27/32H01L51/00H01L51/30H01L51/50H05B33/00H05B33/12H05B33/14B05D5/06
    • H01L51/56H01L27/3211H01L51/0035H01L51/0036H01L51/0038H01L51/0077H01L51/5036
    • Methods of making a full-color organic light-emitting display are disclosed. The methods include ink-jet printing of fluorescent dopants selected to produce red, green, or blue light emission from designated subpixels of the display. The dopants are printed sequentially from ink-jet printing compositions which permit printing of dopant layers over a light-emitting layer containing a host material selected to provide host light emission in a blue spectral region. The dopants are diffused from the dopant layer into the light-emitting layer by exposing the light-emitting layer and the dopant layers to vapor of a fluid or fluid mixture. When an ink-jet printing composition is formulated with a printing fluid having fluid vapors which promote dopant diffusion, the steps of ink-jet printing and diffusing of dopants can be combined to form a selectively doped light-emitting layer.
    • 公开了制造全色有机发光显示器的方法。 这些方法包括被选择用于从显示器的指定子像素产生红色,绿色或蓝色光发射的荧光掺杂剂的喷墨印刷。 喷墨印刷组合物依次印刷掺杂剂,其允许在包含选择用于在蓝色光谱区域中提供主体发光的主体材料的发光层上印刷掺杂剂层。 通过将发光层和掺杂剂层暴露于流体或流体混合物的蒸汽,掺杂剂从掺杂剂层扩散到发光层中。 当使用具有促进掺杂剂扩散的流体蒸气的印刷液配制喷墨印刷组合物时,喷墨印刷和掺杂剂扩散的步骤可以组合以形成选择性掺杂的发光层。