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    • 4. 发明授权
    • Surface light source device, lighting device, and backlight device
    • 表面光源装置,照明装置和背光装置
    • US08829784B2
    • 2014-09-09
    • US13375039
    • 2010-06-11
    • Hiroyasu InoueToshihiko HoriKenichi Harai
    • Hiroyasu InoueToshihiko HoriKenichi Harai
    • H01J1/62H01J63/04H01L51/52G02B5/02
    • H01L51/5275G02B5/0231H01L51/5271H01L51/5293
    • A surface light source device includes an organic electroluminescent element including a luminescent layer and a light-emitting surface structure layer disposed on one of the surfaces of the organic electroluminescent element. In the surface light source device, the light-emitting surface structure layer includes a concave-convex structure provided on a surface thereof on the side toward a device light-emitting surface, and the concave-convex structure includes a plurality of concave portions having oblique surfaces and flat portions disposed around the concave portions. The flat portions and/or the concave portions have a size difference in one or more of their width, height, depth, and spacing, the size difference being larger than the difference that causes interference of one or both of emitted light and reflected light.
    • 面光源装置包括具有发光层的有机电致发光元件和设置在有机电致发光元件的一个表面上的发光面结构层。 在表面光源装置中,发光面结构层包括在其朝向装置发光面的一侧的表面上设置的凹凸结构,并且所述凹凸结构包括多个具有倾斜的凹部 表面和设置在凹部周围的平坦部分。 平坦部分和/或凹部在其宽度,高度,深度和间隔中的一个或多个中具有尺寸差异,尺寸差大于引起发射光和反射光中的一个或两个的干扰的差异。
    • 6. 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
    • US20120068596A1
    • 2012-03-22
    • US13375039
    • 2010-06-11
    • Hiroyasu InoueToshihiko HoriKenichi Harai
    • Hiroyasu InoueToshihiko HoriKenichi Harai
    • H05B33/14
    • H01L51/5275G02B5/0231H01L51/5271H01L51/5293
    • A surface light source device includes an organic electroluminescent element including a luminescent layer and a light-emitting surface structure layer disposed on one of the surfaces of the organic electroluminescent element. In the surface light source device, the light-emitting surface structure layer includes a concave-convex structure provided on a surface thereof on the side toward a device light-emitting surface, and the concave-convex structure includes a plurality of concave portions having oblique surfaces and flat portions disposed around the concave portions. The flat portions and/or the concave portions have a size difference in one or more of their width, height, depth, and spacing, the size difference being larger than the difference that causes interference of one or both of emitted light and reflected light.
    • 面光源装置包括具有发光层的有机电致发光元件和设置在有机电致发光元件的一个表面上的发光面结构层。 在表面光源装置中,发光面结构层包括在其朝向装置发光面的一侧的表面上设置的凹凸结构,并且所述凹凸结构包括多个具有倾斜的凹部 表面和设置在凹部周围的平坦部分。 平坦部分和/或凹部在其宽度,高度,深度和间隔中的一个或多个中具有尺寸差异,尺寸差大于引起发射光和反射光中的一个或两个的干扰的差异。
    • 10. 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。