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    • 19. 发明授权
    • Backlight unit of liquid crystal display
    • 背光单元液晶显示
    • US08240906B2
    • 2012-08-14
    • US12971710
    • 2010-12-17
    • Young-Chan KimMin-Young SongJung-Han Shin
    • Young-Chan KimMin-Young SongJung-Han Shin
    • F21V7/04
    • G02B6/0076G02B6/0016G02B6/0036G02B6/0061G02B6/0068
    • Provided is a backlight unit of a liquid crystal display (LCD). The backlight unit includes: a plurality of light guide plates (LGPs) arranged in M layers and separated from each other by a predetermined gap, wherein M is a natural number equal to or greater than two, a light source unit disposed on at least one side surface of each of the LGPs and including N light source blocks whose brightnesses are controlled individually, and wherein N is a natural number equal to or greater than two. The backlight unit further includes a plurality of light output regions defined by each of the LGPs being divided into a plurality of regions according to a distance from the light source unit and by a plurality of light output patterns being formed in some of the regions, and wherein the light output regions do not overlap each other in a stacking direction of the LGPs and are arranged to correspond to a whole surface of the LGPs.
    • 提供了液晶显示器(LCD)的背光单元。 背光单元包括:多个导光板(LGP),布置在M层中并以预定间隙彼此分开,其中M是等于或大于2的自然数;光源单元,设置在至少一个 每个LGP的侧表面,并且包括单独控制其亮度的N个光源块,并且其中N是等于或大于2的自然数。 背光单元还包括由每个LGP限定的多个光输出区域,其被分成根据与光源单元的距离的多个区域以及在一些区域中形成的多个光输出图案,以及 其中所述光输出区域在所述LGP的堆叠方向上彼此不重叠,并且被布置为对应于所述LGP的整个表面。