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    • 6. 发明授权
    • Planar light source device and display apparatus using the same
    • 平面光源装置及其使用的显示装置
    • US08459857B2
    • 2013-06-11
    • US13069984
    • 2011-03-23
    • Koichi ShibataTakuya Sakamoto
    • Koichi ShibataTakuya Sakamoto
    • F21V7/04
    • G02B6/009G02B6/0031G02B6/0068G02B6/0073
    • A planar light source device comprising: a plurality of point light; a light guide plate including an incident surface, wherein the light spread out into a planar shape and the light guide plate emits the light from an emitting surface; and a frame including an opening, wherein the frame has a protrusion that is provided on a light source side of a peripheral end portion of the emitting surface of the light guide plate, wherein the point light sources are arranged at the light source side, wherein the protrusion has difference widths parallel to the emitting surface, and wherein a width of a portion of the protrusion, which corresponds to the position where the point of the point light source is arranged, is wider than a width of a portion of the protrusion, which corresponds to a position between the point light sources.
    • 一种平面光源装置,包括:多个点光源; 包括入射表面的导光板,其中所述光展开成平面形状,并且所述导光板从发射表面发射光; 以及包括开口的框架,其中所述框架具有设置在所述导光板的所述发射表面的周边端部的光源侧的突起,其中所述点光源布置在所述光源侧,其中, 突起具有与发射表面平行的差异宽度,并且其中突出部分的对应于点光源的点的位置的宽度比突起的一部分的宽度宽, 其对应于点光源之间的位置。
    • 10. 发明授权
    • Near field optical head and information recording and reproducing apparatus mounted with the near field optical head
    • 近场光头和安装有近场光头的信息记录和再现装置
    • US07113669B2
    • 2006-09-26
    • US11155956
    • 2005-06-17
    • Masakazu HirataManabu OumiKoichi Shibata
    • Masakazu HirataManabu OumiKoichi Shibata
    • G02B6/26
    • G11B7/122G11B7/1384G11B7/1387
    • In order to provide a near field light head capable of guiding light efficiently to a near field light generating element, capable of being fabricated easily and at low cost and in correspondence with small-sized formation and thin-sized formation, the near field light head of the present invention has a transparent board including a near field light generating element at a lower face thereof. An upper face or the interior of the transparent board is formed with a lens to be opposed to the near field light generating element. The upper face of the transparent board is mounted with a single mode fiber. The single mode fiber is successively connected with a graded index (GI) fiber and a coreless fiber. An end face of the coreless fiber which is not connected to the GI fiber constitutes a reflecting face disposed at 45 degrees relative to the upper face of the transparent board. The reflecting face is arranged right above the lens.
    • 为了提供能够有效地将光引导到近场光产生元件的近场光头,能够容易且成本低廉并且与小尺寸地层和薄型结构对应地制造近场光头 本发明的透明板包括在其下表面的近场光产生元件。 透明板的上表面或内部形成有与近场光产生元件相对的透镜。 透明板的上表面安装有单模光纤。 单模光纤与渐变折射率(GI)光纤和无芯光纤连续相连。 未连接到GI纤维的无芯纤维的端面构成相对于透明板的上表面设置成45度的反射面。 反射面设置在透镜正上方。