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    • 5. 发明申请
    • Backlight unit for flat panel display and flat panel display apparatus having the same
    • 用于平板显示器的背光单元和具有该背光单元的平板显示装置
    • US20060285185A1
    • 2006-12-21
    • US11412843
    • 2006-04-28
    • Yoon-sun ChoiJin-Seung ChoiJee-hong MinJin-hwan KimSu-mi Lee
    • Yoon-sun ChoiJin-Seung ChoiJee-hong MinJin-hwan KimSu-mi Lee
    • G02B5/32
    • G02B6/0038G02B6/0051G02B6/0061G02F2001/133507
    • A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display displaying a predetermined image includes: a light source which emits light; a light guide panel having an incident surface facing the light source and which totally reflects light incident through the incident surface toward the flat panel display; and a holographic pattern that includes a plurality of diffraction gratings that are continuously repeated on at least one of an exit surface of the light guide panel and the opposing surface and diffracts light incident into the light guide panel. A depth of the diffraction grating progressively increases away from the incident surface along a length direction of the light guide panel. The backlight unit for a flat panel display and the flat panel display apparatus having the same have a simple structure that can acquire surface light using a holographic pattern while achieving uniform brightness distribution across the entire light-emitting surface.
    • 一种用于平板显示器的背光单元和具有该背光单元的平板显示装置。 显示预定图像的平板显示器的背光单元包括:发光的光源; 导光板,其具有面向光源的入射面,并且将入射到入射面的光全部反射到平板显示器; 以及全息图案,其包括在导光板的出射面和相对面的至少一个上连续地重复的多个衍射光栅,并衍射入射到导光板中的光。 衍射光栅的深度沿着导光板的长度方向从入射面逐渐增加。 用于平板显示器的背光单元和具有该平板显示器的平板显示装置具有简单的结构,其可以在整个发光表面上实现均匀的亮度分布的同时使用全息图来获取表面光。
    • 7. 发明授权
    • Backlight unit for flat panel display and flat panel display apparatus having the same
    • 用于平板显示器的背光单元和具有该背光单元的平板显示装置
    • US07364340B2
    • 2008-04-29
    • US11412843
    • 2006-04-28
    • Yoon-sun ChoiJin-Seung ChoiJee-hong MinJin-hwan KimSu-mi Lee
    • Yoon-sun ChoiJin-Seung ChoiJee-hong MinJin-hwan KimSu-mi Lee
    • F21V7/04
    • G02B6/0038G02B6/0051G02B6/0061G02F2001/133507
    • A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display displaying a predetermined image includes: a light source which emits light; a light guide panel having an incident surface facing the light source and which totally reflects light incident through the incident surface toward the flat panel display; and a holographic pattern that includes a plurality of diffraction gratings that are continuously repeated on at least one of an exit surface of the light guide panel and the opposing surface and diffracts light incident into the light guide panel. A depth of the diffraction grating progressively increases away from the incident surface along a length direction of the light guide panel. The backlight unit for a flat panel display and the flat panel display apparatus having the same have a simple structure that can acquire surface light using a holographic pattern while achieving uniform brightness distribution across the entire light-emitting surface.
    • 一种用于平板显示器的背光单元和具有该背光单元的平板显示装置。 显示预定图像的平板显示器的背光单元包括:发光的光源; 导光板,其具有面向光源的入射面,并且将入射到入射面的光全部反射到平板显示器; 以及全息图案,其包括在导光板的出射面和相对面的至少一个上连续地重复的多个衍射光栅,并衍射入射到导光板中的光。 衍射光栅的深度沿着导光板的长度方向从入射面逐渐增加。 用于平板显示器的背光单元和具有该平板显示器的平板显示装置具有简单的结构,其可以在整个发光表面上实现均匀的亮度分布的同时使用全息图来获取表面光。