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    • 2. 发明授权
    • Back light unit having light guide buffer plate
    • 背光单元,具有导光缓冲板
    • US07628527B2
    • 2009-12-08
    • US11987301
    • 2007-11-29
    • Do Hun KimMyoung Soo ChoiChoul Ho LeeSeog Ho LimSung Min Yang
    • Do Hun KimMyoung Soo ChoiChoul Ho LeeSeog Ho LimSung Min Yang
    • F21V7/04F21V8/00G02B6/10
    • F21V7/05F21V13/04G02B6/0016G02B6/0025G02B6/0055
    • There is provided a back light unit having a light guide buffer plate. The back light unit having a light guide buffer plate includes a light source for generating the light when a power source is applied; a light guide panel whose light-receiving vertical surface that the light emitted from the light source enters is provided with a first prism pattern and whose bottom surface is provided with a refraction pattern, thereby converting the incident light from the light-receiving vertical surface into a surface light source; a reflection unit disposed in a bottom surface of the light guide panel to reflect light toward the light guide panel; and a buffer disposed between the light source and the light guide panel and whose light-emitting vertical surface corresponding to the light-receiving vertical surface of the light guide panel is provided with a second prism pattern. The back light unit can be useful to improve visibility, a mixing property and uniformity by basically removing a poor-visibility zone, which is formed in an end of the light guide panel, without any changes in the structure of the light guide panel.
    • 提供了具有导光缓冲板的背光单元。 具有导光缓冲板的背光单元包括用于在施加电源时产生光的光源; 从光源射出的光进入的受光垂直面的导光板设置有第一棱镜图案,并且其底面设置有折射图案,从而将来自受光垂直面的入射光转换成 表面光源; 反射单元,设置在所述导光板的底表面中,以朝向所述导光板反射光; 以及设置在所述光源和所述导光板之间的缓冲器,并且其对应于所述导光板的受光垂直表面的发光垂直表面设置有第二棱镜图案。 背光单元可以用于通过基本上去除在导光板的端部中形成的不良可见度区域来提高可视性,混合特性和均匀性,而不会导致导光板的结构的任何变化。