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    • 1. 发明授权
    • Light-emitting element
    • 发光元件
    • US09109759B2
    • 2015-08-18
    • US13994184
    • 2011-12-20
    • Hiroyasu InoueKenichi Harai
    • Hiroyasu InoueKenichi Harai
    • H01J5/16H01J61/40H01L51/52F21K99/00
    • F21K9/50G02B5/0215G02B5/0231H01L51/5262H01L2251/5361
    • A light-emitting device having an organic EL element that has a light-emitting surface and emits light from the light-emitting surface, and a structure layer disposed directly or indirectly on the light-emitting surface. The structure layer has, on a surface thereof that is opposite to the organic electroluminescent element, a concavo-convex structure including a first streak array extending in a first direction that is parallel to the surface, a second streak array extending in a second direction that is parallel to the surface and intersects with the first direction, and a third streak array extending in a third direction that is parallel to the surface and intersects with the first direction and the second direction.
    • 具有发光面并发光的有机EL元件的发光元件以及直接或间接配置在发光面上的结构层。 结构层在其与有机电致发光元件相对的表面上具有包括在平行于表面的第一方向延伸的第一条纹阵列的凹凸结构,沿第二方向延伸的第二条纹阵列, 平行于表面并与第一方向相交,第三条纹阵列在第三方向上延伸,该第三条纹平行于该表面并与第一方向和第二方向相交。
    • 9. 发明申请
    • SURFACE LIGHT SOURCE DEVICE, LIGHTING DEVICE, AND BACKLIGHT DEVICE
    • 表面光源装置,照明装置和背光装置
    • US20120080710A1
    • 2012-04-05
    • US13377017
    • 2010-06-11
    • Hiroyasu InoueToshihiko Hori
    • Hiroyasu InoueToshihiko Hori
    • H01L51/52
    • H01L51/5268G02B5/045G02B6/0036G02F1/133603G02F2001/133607H01L51/5237H01L51/5271H01L51/5275
    • A surface light source device is provided that has high light extraction efficiency and high mechanical strength and can suppress a change in color tone at different viewing angles. To that end, the surface light source device includes: an organic EL element including a luminescent layer; and a light-emitting surface structure layer that is disposed in contact with one of the surfaces of the organic EL element and defines a concave-convex structure on the surface on the device light-emitting surface side. The concave-convex structure includes a plurality of concave portions having oblique surfaces and flat portions disposed around the concave portions. The surface light source device further includes a diffusing member on which the light emitted from the luminescent layer is incident, the diffusing member allowing the incident light to pass therethrough or reflecting the incident light in a diffused manner.
    • 提供具有高光提取效率和高机械强度的表面光源装置,并且可以抑制不同视角下的色调变化。 为此,表面光源装置包括:包含发光层的有机EL元件; 以及与所述有机EL元件的一个表面接触并且在所述器件发光面侧的表面上形成凹凸结构的发光面结构体层。 凹凸结构包括具有倾斜表面的多个凹部和设置在凹部周围的平坦部。 表面光源装置还包括漫射构件,从发光层发射的光入射到该扩散构件上,允许入射光通过的漫射构件或以漫射方式反射入射光。