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    • 5. 发明申请
    • Surface light source and display device
    • 表面光源及显示装置
    • US20130334545A1
    • 2013-12-19
    • US13522326
    • 2012-06-18
    • Che-chang HuJie Ren
    • Che-chang HuJie Ren
    • H01L33/44H01L33/08
    • G02F1/133603G02F2001/133607G02F2001/133614
    • The present invention provide a surface light source, wherein, the surface light source comprises a LED light source, the diffusion plate and condenser plant. The diffusion plate has a phosphor, and the diffusion plate and the LED light source are disposed separately to form a heat dissipation space. The condenser device disposes between the LED light source and the diffuser plate for converging the light emitted from LED light source to the diffusion plate.Therefore, in the present invention, the phosphor is far away from the LED light source to avoid the heat generated by the LED chip directly transmitting to the phosphor such that the heat received by the phosphor is reduced, decreasing the temperature of the phosphor, and avoiding that the lighting efficiency of the phosphor become lower due to high temperature, and improve the color shill problem of the LED light source with manufacturing processes so as to increase the optical efficiency and optical quality of the surface light source and the display device using the same.
    • 本发明提供一种表面光源,其中,所述表面光源包括LED光源,所述扩散板和冷凝器设备。 扩散板具有荧光体,扩散板和LED光源分开设置以形成散热空间。 聚光装置配置在LED光源和扩散板之间,用于将从LED光源发射的光会聚到漫射板。 因此,在本发明中,荧光体远离LED光源,以避免LED芯片直接向荧光体透射的热量,使得由荧光体接收的热量降低,降低荧光体的温度, 避免了由于高温引起的荧光体的照明效率降低,并且通过制造工艺改善了LED光源的色差问题,从而提高了使用该光源的表面光源和显示装置的光学效率和光学质量 相同。