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    • 5. 发明申请
    • Surface emitting device and display apparatus including the same
    • 表面发射装置和包括它的显示装置
    • US20080101092A1
    • 2008-05-01
    • US11730116
    • 2007-03-29
    • Hong-seok LeeSeung-ryong ParkSeok-ho Song
    • Hong-seok LeeSeung-ryong ParkSeok-ho Song
    • F21V7/10
    • G02B6/0038G02B6/002G02B6/0061G02B6/0073
    • A surface emitting device and a display apparatus including the same. The surface emitting device includes: a light source; and a light guide plate having a light exit surface on which holographic patterns are formed, and guiding light emitted by the light source such that the guided light is emitted from the light exit surface, wherein the holographic patterns are arranged so that light incident on the light guide plate without passing through any side surface of the light guide plate can be incident on the holographic patterns at an azimuth greater than 45° at which light emitting efficiency is low and light incident on the light guide plate and reflected by any side surface of the light guide plate can be incident on the holographic patterns at an azimuth at which light emitting efficiency is high.
    • 表面发射装置和包括该表面发射装置的显示装置。 表面发射器件包括:光源; 以及导光板,其具有形成有全息图案的光出射面,并且引导由光源发射的光,使得所述导光从所述光出射面发射,其中所述全息图被配置为使得入射到所述光出射面上的光 不通过导光板的任何侧表面的导光板可以以大于45°的方位入射到全息图案上,在该方位角处发光效率低,入射在导光板上并由任何侧面反射的光 导光板可以在发光效率高的方位入射到全息图案上。