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    • 1. 发明授权
    • Solid-state image pickup device, imaging device, and dispersing element
    • 固态图像拾取装置,成像装置和分散元件
    • US08792027B2
    • 2014-07-29
    • US12985353
    • 2011-01-06
    • Michihiro YamagataYasuhiro TanakaKazuhiro YamadaKazuyoshi ItohYasuyuki Ozeki
    • Michihiro YamagataYasuhiro TanakaKazuhiro YamadaKazuyoshi ItohYasuyuki Ozeki
    • H04N9/04H04N5/225H01L27/00H04N9/097
    • H01L27/14629G02B5/18H01L27/14627
    • A solid-state image pickup device capable of taking more light into light receiving regions is provided. The solid-state image pickup device of the present invention includes: a photoelectric conversion unit having a plurality of light receiving regions that are two-dimensionally arrayed, the photoelectric conversion unit for photoelectrically converting light incident on each of the light receiving regions, and outputting an electric signal according to the intensity of the incident light; a lens unit comprising a plurality of converging lenses provided on an upper layer of the photoelectric conversion unit, each of the converging lens being provided corresponding to a set of continuous first to third light receiving regions; and a dispersing element provided between the photoelectric conversion unit and the lens unit, the dispersing element being formed of a medium whose refractive index varies periodically, and diffracting beams of a first wavelength band and of a third wavelength band, having been transmitted through the converging lens, and directing the beams onto the first light receiving region and the third light receiving region, and transmitting, without diffracting, a beam of a second wavelength band, having been transmitted through the converging lens, and directing the beam onto the second light receiving region.
    • 提供了能够将更多的光吸收到光接收区域的固体摄像装置。 本发明的固态摄像装置具有:具有二维排列的多个受光区域的光电转换单元,对各受光区域入射的光进行光电转换的光电转换单元,并输出 根据入射光强度的电信号; 透镜单元,包括设置在所述光电转换单元的上层上的多个会聚透镜,所述会聚透镜对应于一组连续的第一至第三光接收区域而设置; 以及设置在所述光电转换单元和所述透镜单元之间的分散元件,所述分散元件由折射率周期性变化的介质形成,并且衍射已经通过会聚的第一波长带和第三波长带的波束 并且将光束引导到第一光接收区域和第三光接收区域上,并且在不衍射的情况下传输已经透过会聚透镜的第二波长带的光束,并将光束引导到第二光接收 地区。
    • 4. 发明申请
    • OPTICAL MEMBER AND OPTICAL DEVICE INCLUDING THE OPTICAL MEMBER
    • 光学部件和光学装置,包括光学部件
    • US20090190225A1
    • 2009-07-30
    • US12306740
    • 2007-06-20
    • Kazuhiro YamadaYasuhiro TanakaMichihiro Yamagata
    • Kazuhiro YamadaYasuhiro TanakaMichihiro Yamagata
    • G02B5/02G02B5/28
    • G02B1/118G02B1/105G02B1/11G02B1/14
    • The present disclosure relates to an optical member and an optical device including the optical member. More particularly, the present disclosure relates to an optical member whose surface is configured to be an antireflection concave-convex structure for suppressing reflection of incident light, and an optical device including the optical member.The present invention provides an antireflection concave-convex structure having an excellent environmental resistance.An optical member (antireflection concave-convex structure) (1) includes: an optical member body (10); and a protective film (20) covering a surface (10a) of the optical member body (10) and transmitting the incident light. On the surface (10a) of the optical member body (10), a plurality of fine convex portions (12) are arranged to form an antireflection concave-convex structure (11) for suppressing reflection of incident light.
    • 本发明涉及一种光学构件和包括该光学构件的光学装置。 更具体地说,本公开涉及一种光学部件,其表面被配置为用于抑制入射光的反射的抗反射凹凸结构,以及包括该光学部件的光学装置。 本发明提供具有优异的耐环境性的抗反射凹凸结构。 光学构件(抗反射凹凸结构)(1)包括:光学构件主体(10); 以及覆盖所述光学构件本体(10)的表面(10a)并透射入射光的保护膜(20)。 在光学构件本体(10)的表面(10a)上,设置有多个细微凸部(12),以形成抑制入射光反射的抗反射凹凸结构(11)。
    • 5. 发明授权
    • Antireflection structure, optical unit, and optical device
    • 防反射结构,光学单元和光学器件
    • US08529075B2
    • 2013-09-10
    • US12676083
    • 2008-09-03
    • Kazuhiro YamadaTakamasa TamuraYasuhiro Tanaka
    • Kazuhiro YamadaTakamasa TamuraYasuhiro Tanaka
    • G02B5/22G02B7/02
    • G02B1/118G02B5/003G02B5/045G02B7/02
    • An antireflection structure having a high antireflection effect is provided.An antireflection structure (50) reduces reflection of light having a wavelength equal to or larger than a predetermined wavelength, and absorbs the light whose reflection is reduced. The antireflection structure (50) includes a base structure portion (7) which is configured to have a plurality of structural units (70) arranged on a reference plane, and each having a tilted surface (71) so that an angle between the first side surface (71) and a reference plane (51) is a predetermined angle, and a plurality of fine concave/convex portions (8, 8, . . . ) which are formed on a surface of the base structure portion (7), and arranged within a cycle equal to or smaller than the predetermined wavelength.
    • 提供了具有高抗反射效果的抗反射结构。 抗反射结构(50)减少了具有等于或大于预定波长的波长的光的反射,并且吸收反射减小的光。 防反射结构(50)包括基部结构部(7),该基部构造部(7)被配置为具有布置在基准平面上的多个结构单元(70),并且各自具有倾斜表面(71),使得第一侧 表面(71)和参考平面(51)是预定角度,并且形成在基部结构部分(7)的表面上的多个精细凹凸部(8,8 ...)和 布置在等于或小于预定波长的周期内。
    • 7. 发明申请
    • ANTIREFLECTION STRUCTURE, OPTICAL UNIT, AND OPTICAL DEVICE
    • 抗反射结构,光学单元和光学设备
    • US20100165468A1
    • 2010-07-01
    • US12676083
    • 2008-09-03
    • Kazuhiro YamadaTakamasa TamuraYasuhiro Tanaka
    • Kazuhiro YamadaTakamasa TamuraYasuhiro Tanaka
    • G02B5/22G02B7/02
    • G02B1/118G02B5/003G02B5/045G02B7/02
    • An antireflection structure having a high antireflection effect is provided.An antireflection structure (50) reduces reflection of light having a wavelength equal to or larger than a predetermined wavelength, and absorbs the light whose reflection is reduced. The antireflection structure (50) includes a base structure portion (7) which is configured to have a plurality of structural units (70) arranged on a reference plane, and each having a tilted surface (71) so that an angle between the first side surface (71) and a reference plane (51) is a predetermined angle, and a plurality of fine concave/convex portions (8, 8, . . . ) which are formed on a surface of the base structure portion (7), and arranged within a cycle equal to or smaller than the predetermined wavelength.
    • 提供了具有高抗反射效果的抗反射结构。 抗反射结构(50)减少了具有等于或大于预定波长的波长的光的反射,并且吸收反射减小的光。 防反射结构(50)包括基部结构部(7),该基部构造部(7)被配置为具有布置在基准平面上的多个结构单元(70),并且各自具有倾斜表面(71),使得第一侧 表面(71)和参考平面(51)是预定角度,并且形成在基部结构部分(7)的表面上的多个精细凹凸部(8,8 ...)和 布置在等于或小于预定波长的周期内。