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    • 63. 发明专利
    • Objective lens for optical pickup and optical pickup device
    • 用于光学拾取和光学拾取器件的目标镜头
    • JP2012048773A
    • 2012-03-08
    • JP2010187696
    • 2010-08-24
    • Sanyo Electric Co Ltd三洋電機株式会社
    • NAKAGAWA YOHEI
    • G11B7/135
    • G11B7/1374G02B3/02
    • PROBLEM TO BE SOLVED: To provide an objective lens for optical pickup capable of suppressing deterioration due to transmission of laser beams and to provide an optical pickup device equipped with the objective lens for optical pickup.SOLUTION: The objective lens for optical pickup comprises: a light source side lens surface 11 for converging a laser beam; and a disk side lens surface 12 for additionally converging the laser beam converged at the light source side lens surface 11. Here, the light source side lens surface 11 and the disk side lens surface 12 are set so that a projection area S1 of the light source side lens surface 11 and a projection area S2 of the disk side lens surface 12 satisfy S1/S2≤2.0 when viewed in an optical axis direction of the objective lens 10.
    • 要解决的问题:提供一种能够抑制由激光束的透射引起的劣化的光学拾取器的物镜,并提供配备有用于光学拾取器的物镜的光学拾取装置。 解决方案:用于光学拾取器的物镜包括:用于会聚激光束的光源侧透镜表面11; 以及用于再次会聚在光源侧透镜表面11处会聚的激光束的盘侧透镜表面12.这里,光源侧透镜表面11和盘侧透镜表面12被设置为使得光的投影区域S1 源侧透镜面11和盘侧透镜面12的投影面S2在从物镜10的光轴方向观察时满足S1 /S2≤2.0。(C)2012,JPO&INPIT
    • 68. 发明专利
    • Light emitting diode and vehicle lighting tool
    • 发光二极管和车辆照明工具
    • JP2007048775A
    • 2007-02-22
    • JP2005228519
    • 2005-08-05
    • Koito Mfg Co Ltd株式会社小糸製作所
    • AMANO YASUYUKIMACHIDA TSUTOMUKOIZUMI HIROYA
    • H01L33/56F21S8/10F21V5/00F21Y101/02H01L33/58H01L33/60H01L33/62
    • G02B3/02F21S41/14F21S43/14F21V5/04F21Y2115/10H01L33/54H01L2924/181H01L2924/1815H01L2924/00012
    • PROBLEM TO BE SOLVED: To improve luminance distribution of a conventional light emitting diode where luminance rapidly drops as an opening angle from an optical axis becomes larger in the light emitting diode where a light emitting chip is arranged on the optical axis. SOLUTION: A flexure 14aA is formed on a front face of a sealing member 14. A cross section shape along a horizontal face comprising the optical axis Ax is formed of a waveform curve where a concave curve C1 is arranged near the optical axis Ax, and convex curves C2 are arranged on both sides. In the horizontal face comprising the optical axis Ax, light going to a direction where the opening angle to right and left directions from the optical axis Ax is smaller in outgoing light beams from the light emitting chip 12 is made to reach a part of the concave curve C1 and is made to emit forward, as light diffused to a direction detached from the optical axis Ax by a light diffusion operation. Light going to a direction where the opening angle is large is made to reach parts of the convex curves C2, and it is radiated forward as light deflected to vicinity of a direction of straight lines L making the opening angle θby a light convergence operation. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提高在发光芯片配置在光轴上的发光二极管中随着从光轴的开角而急剧下降的常规发光二极管的亮度分布变大。 解决方案:挠性件14aA形成在密封构件14的前表面上。沿着包括光轴Ax的水平面的横截面形状由凹曲线C1布置在光轴附近的波形曲线形成 轴和凸曲线C2布置在两侧。 在包括光轴Ax的水平面中,使来自发光芯片12的出射光中的从光轴Ax的左右方向的开放角小的方向的光到达凹部的一部分 曲线C1被制成向前发射,因为光通过光漫射操作而扩散到从光轴Ax分离的方向。 进入朝向打开角度大的方向的光到达凸曲线C2的一部分,并且通过光会聚操作使偏转到直线L的方向附近的光被向前辐射,从而形成打开角度θ。 版权所有(C)2007,JPO&INPIT
    • 70. 发明专利
    • Composite lens, its manufacturing method and lens module
    • 复合镜片及其制造方法和镜头模块
    • JP2006076026A
    • 2006-03-23
    • JP2004259924
    • 2004-09-07
    • Sanyo Electric Co Ltd三洋電機株式会社
    • NAKAGAWA YOHEI
    • B29C39/10B29L11/00G02B3/00G02B3/02
    • G02B1/00G02B3/02
    • PROBLEM TO BE SOLVED: To provide a composite lens enhanced in the reliability of heat cycle characteristics or the like and capable of being manufactured inexpensively, its manufacturing method and a lens module equipped with the composite lens.
      SOLUTION: The composite lens is constituted by providing a resin layer comprising a resin polymerized by ultraviolet rays at least to a part of the surface of a glass base material and the resin layer is composed of a perfectly cured resin layer and an imperfectly cured resin layer. The imperfectly cured resin layer may be formed to a part outside the effective diameter of the lens and the polymerization degree of the imperfectly cured resin layer is preferably set to 60-90%.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供增强热循环特性等的可靠性并且能够廉价制造的复合透镜,其制造方法和配备有复合透镜的透镜模块。 解决方案:复合透镜通过提供一种树脂层构成,该树脂层包括至少一部分玻璃基材表面的紫外线聚合的树脂,树脂层由完全固化的树脂层和不完全的树脂层 固化树脂层。 不完全固化的树脂层可以形成为透镜的有效直径以外的部分,并且不完全固化的树脂层的聚合度优选设定为60-90%。 版权所有(C)2006,JPO&NCIPI