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1. 发明申请

US20110267487A1 SOLID-STATE IMAGE PICKUP DEVICE, IMAGING DEVICE, AND DISPERSING ELEMENT 有权
标题翻译：固态图像拾取装置，成像装置和分散元件
公开(公告)号：US20110267487A1
公开(公告)日：2011-11-03
申请号：US12985353
申请日：2011-01-06
申请人： Michihiro YAMAGATA , Yasuhiro TANAKA , Kazuhiro YAMADA , Kazuyoshi ITOH , Yasuyuki OZEKI
发明人： Michihiro YAMAGATA , Yasuhiro TANAKA , Kazuhiro YAMADA , Kazuyoshi ITOH , Yasuyuki OZEKI
IPC分类号： H04N5/228 , H04N5/225 , G02B5/18
CPC分类号： H01L27/14629 , G02B5/18 , H01L27/14627
摘要： 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.
摘要翻译：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。

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