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    • 5. 发明申请
    • SOLID-STATE IMAGE SENSOR
    • 固态图像传感器
    • US20140145287A1
    • 2014-05-29
    • US14233329
    • 2012-08-21
    • Taro Kato
    • Taro Kato
    • H01L27/146
    • H01L27/14625H01L27/14621H01L27/14629
    • An image sensor includes a first pixel having a first color filter, a first reflection region which reflects light from the first color filter, and a first photoelectric conversion portion arranged in a semiconductor layer and located between the first color filter and the first reflection region, and a second pixel including a second color filter, a second reflection region which reflects light from the second color filter, and a second photoelectric conversion portion arranged in the semiconductor layer and located between the second color filter and the second reflection region. Wavelength corresponding to a maximum transmittance of the first color filter is shorter than wavelength corresponding to a maximum transmittance of the second color filter. An area of the first reflection region is smaller than area of the second reflection region.
    • 图像传感器包括具有第一滤色器的第一像素,反射来自第一滤色器的光的第一反射区域和布置在半导体层中并且位于第一滤色器和第一反射区域之间的第一光电转换部分, 以及第二像素,包括第二滤色器,反射来自第二滤色器的光的第二反射区域和布置在半导体层中并位于第二滤色器和第二反射区域之间的第二光电转换部分。 对应于第一滤色器的最大透射率的波长比对应于第二滤色器的最大透射率的波长短。 第一反射区域的面积小于第二反射区域的面积。
    • 7. 发明授权
    • Solid-state image sensor and camera having improved sensitivity and color separation characteristics
    • 固态图像传感器和相机具有提高的灵敏度和色彩分离特性
    • US08670051B2
    • 2014-03-11
    • US13180653
    • 2011-07-12
    • Taro Kato
    • Taro Kato
    • H04N3/14
    • H01L27/14621H01L27/14645
    • A solid-state image sensor includes first-color pixels and second-color pixels, each of the first-color pixels including a first antireflection film and a first color filter, and each of the second-color pixels including a second antireflection film and a second color filter, wherein the solid-state image sensor satisfies T1(λ12)≦0.95·Tmax1, and T2(λ12)≦0.95·Tmax2 where λ1 represents a wavelength at which a transmittance of the first color filter is maximized, λ2 represents a wavelength at which a transmittance of the second color filter is maximized, and λ12 represents a central wavelength between wavelengths λ1 and λ2, T1(λ) and T2(λ) respectively represent transmittances of the first antireflection film and the second antireflection film when a wavelength is represented by λ, and Tmax1 and Tmax2 represent maximum values of the transmittances T1(λ) and T2(λ), respectively.
    • 固态图像传感器包括第一颜色像素和第二颜色像素,每个第一颜色像素包括第一抗反射膜和第一滤色器,并且每个第二颜色像素包括第二抗反射膜和 第二滤色器,其中固态图像传感器满足T1(λ12)×0.95·Tmax1和T2(λ12)×0.95·Tmax2,其中λ1表示第一滤色器的透射率最大化的波长,λ2表示 第二滤色器的透射率最大的波长和λ12表示波长λ1和λ2之间的中心波长,T1(λ)和T2(λ)分别表示当第一防反射膜和第二防反射膜的波长 由λ表示,Tmax1和Tmax2分别表示透射率T1(λ)和T2(λ)的最大值。