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    • 57. 发明授权
    • Method of manufacturing electroluminescent lamps having surface designs
and lamps produced thereby
    • 制造具有由此制造的表面设计和灯的电致发光灯的方法
    • US5620348A
    • 1997-04-15
    • US439840
    • 1995-05-12
    • Jose SantanaHarold ThorgersenJohn DixonAndrew C. Ledesma
    • Jose SantanaHarold ThorgersenJohn DixonAndrew C. Ledesma
    • H05B33/02H05B33/10
    • H05B33/02H05B33/10
    • The method and structure for providing surface designs to electroluminescent (EL) lamps involves two essential steps. First, a layer of transflective material is introduced to the EL lamp comprising a transparent substrate and front and back electrodes sandwiching an electroluminescent layer and an insulating layer. The layer of transflective material reflects incident ambient light and transmits light emitted by an energized electroluminescent layer. In the preferred embodiment of the invention, the layer of transflective material replaces the front electrode of the EL lamp. Second, a predetermined surface design is provided to the transparent substrate to enhance diffusion and fringing of both the reflected incident ambient light and the light emitted by the energized electroluminescent layer. This enhanced diffusion and fringing leads to a visually appealing appearance.
    • 用于向电致发光(EL)灯提供表面设计的方法和结构涉及两个基本步骤。 首先,将一层半透反射材料引入到包括透明基板的EL灯和夹着电致发光层和绝缘层的前后电极。 半透反射材料层反射入射的环境光并透过被激发的电致发光层发出的光。 在本发明的优选实施例中,透反射材料层代替EL灯的前电极。 其次,将预定的表面设计提供给透明基板,以增强反射的入射环境光和被激发的电致发光层发射的光的扩散和边缘。 这种增强的扩散和边缘导致视觉吸引人的外观。