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    • 3. 发明授权
    • LED light source lens having upper, central and lower parts
    • LED光源透镜具有上,中,下部分
    • US07540635B2
    • 2009-06-02
    • US11500362
    • 2006-08-08
    • Jin Jong KimBum Jin KimHo Seop Jeong
    • Jin Jong KimBum Jin KimHo Seop Jeong
    • F21V5/00
    • G02B19/0071G02B19/0028G02B19/0061H01L33/54H01L33/60
    • Disclosed herein is a Light Emitting Diode (LED) light source lens for emitting light in a lateral direction. The LED source lens includes an upper part, an upper part and a central part. The upper part includes an upper part reflecting surface bent symmetrically with respect to the central axis of the lens, and an upper part refracting surface extended from the end of the upper part reflecting surface parallel with the central axis. The central part includes a side surface extended from the lower end of the upper part refracting surface and bend inwards, and refracts or reflects light through the side surface. The lower part accommodates the LED light source, and includes an arch-shaped lower part refracting surface extended outwards from the lower end of the side surface of the central part. The light radiated from the LED light source is emitted perpendicular to the central axis.
    • 本文公开了一种用于沿横向发射光的发光二极管(LED)光源透镜。 LED源透镜包括上部,上部和中心部。 上部包括相对于透镜的中心轴对称地弯曲的上部反射面,以及从上部反射面的与中心轴平行的端部延伸的上部折射面。 中心部分包​​括从上部折射表面的下端延伸并向内弯曲的侧表面,并且通过侧表面折射或反射光。 下部容纳LED光源,并且包括从中心部分的侧表面的下端向外延伸的拱形下部折射表面。 从LED光源照射的光垂直于中心轴发射。
    • 5. 发明授权
    • Subminiature imaging optical system
    • 超小型成像光学系统
    • US07742240B2
    • 2010-06-22
    • US12074063
    • 2008-02-29
    • Jin Jong KimYoung Gi KimYong Joo Jo
    • Jin Jong KimYoung Gi KimYong Joo Jo
    • G02B9/14G02B3/02G02B9/00
    • G02B13/18
    • There is provided a subminiature imaging optical system utilizing only three sheets of lenses having positive, negative and positive refractive powers, respectively. The subminiature imaging optical system comprising, sequentially from an object side: a first lens having a meniscus shape with a convex object-side surface, the first lens having at least one aspherical surface and positive refractive power; a second lens having a meniscus shape with a convex image-side surface, the second lens having at least one spherical surface and negative refractive power; and a third lens having both surfaces formed of an aspherical surface and having positive refractive power.
    • 提供了仅使用三张具有正,负和正折射光焦度的透镜的超小型成像光学系统。 该超小型成像光学系统从物体侧依次包括具有凸面物体侧表面的弯液面形状的第一透镜,第一透镜具有至少一个非球面和正屈光力; 第二透镜,其具有具有凸形图像侧表面的弯月形状,所述第二透镜具有至少一个球面和负折射光焦度; 以及具有由非球面形成且具有正折射力的两面的第三透镜。
    • 6. 发明授权
    • Wide-angle lens system
    • 广角镜头系统
    • US07675694B2
    • 2010-03-09
    • US12155831
    • 2008-06-10
    • Jin Jong KimMoon Sik JungYong Joo Jo
    • Jin Jong KimMoon Sik JungYong Joo Jo
    • G02B9/06G02B9/04
    • G02B13/06G02B13/001G02B13/0045G02B13/006
    • There is provided a wide-angle lens system having a wide angle of view and less distortion. The wide-angle lens system including: an object-side lens group disposed at an object side with respect to an aperture stop and having overall positive refractive power; and an image-side lens group disposed at an image side with respect to the aperture stop and having overall positive refractive power, wherein a focal length ratio between the object-side lens group and the image-side lens group satisfies following condition 1, 2 0) and FI is a focal length of the image-side lens group (FI>0). This wide-angle lens system sufficiently corrects distortion even in a wide angle of view, thereby ensuring an image with superior quality.
    • 提供了具有广角视角和较小失真的广角镜头系统。 广角透镜系统包括:物镜侧透镜组,其相对于孔径光阑设置在物体侧并具有总正的正屈光力; 以及相对于所述孔径光阑设置在像侧的具有整体正屈光力的图像侧透镜组,其中所述物体侧透镜组与所述像侧透镜组之间的焦距比满足以下条件1,2 0)的焦距,FI是图像侧透镜组(FI> 0)的焦距。 这种广角镜头系统即使在广角度也足够地校正失真,从而确保具有优良品质的图像。
    • 7. 发明授权
    • Light guide plate and liquid crystal display device having the same
    • 导光板及具有该导光板的液晶显示装置
    • US07614773B2
    • 2009-11-10
    • US11730802
    • 2007-04-04
    • Hee Dong KimJin Ha KimJin Jong Kim
    • Hee Dong KimJin Ha KimJin Jong Kim
    • F21V7/04
    • G02B6/0036G02B6/0051G02B6/0053G02B6/0061
    • A light guide plate and a liquid crystal display device having the same. The light guide plate is disposed upstream of a liquid crystal panel to refract light supplied through an edge thereof, toward the liquid crystal panel. In the light guide plate, a plate body is disposed at a side of a light source for supplying light when a supply voltage is applied. A plurality of pyramidal diffusing elements are arrayed in a predetermined pattern on a surface of the plate body. Each of the diffusing elements is rotated clockwise or counterclockwise about an axis extending through a vertex of the diffusing element perpendicularly to the surface of the plate body so that an edge of the diffusing element facing a reference line connecting a central point of the light source to a central point of the plate body is angled 10° to 35° about the reference line.
    • 导光板和具有该导光板的液晶显示装置。 导光板配置在液晶面板的上游侧,将通过其边缘供给的光折射到液晶面板。 在导光板中,当施加电源电压时,板体设置在用于供应光的光源的一侧。 多个金字塔形扩散元件以预定图案排列在板体的表面上。 每个扩散元件围绕延伸穿过漫射元件的顶点的轴线顺时针或逆时针旋转,垂直于板体的表面,使得漫射元件的边缘面向连接光源的中心点的参考线, 板体的中心点围绕参考线倾斜10°至35°。