Imaging lens and imaging system
    2.
    发明授权
    Imaging lens and imaging system 有权
    成像镜头和成像系统

    公开(公告)号:US08259210B2

    公开(公告)日:2012-09-04

    申请号:US13017085

    申请日:2011-01-31

    IPC分类号: H04N5/225 G02B27/64

    CPC分类号: G02B13/004

    摘要: The spherical aberration of an imaging lens changes from an object side of image-plane base position Zo toward the other side thereof as a distance from optical axis Z1 increases, and formulas 0.02

    摘要翻译: 从光轴Z1的距离开始,成像透镜的球面像差从图像平面基准位置Zo的物体侧朝向其另一侧变化,并且满足公式0.02

    BACKLIGHT UNIT
    3.
    发明申请
    BACKLIGHT UNIT 审中-公开
    背光单元

    公开(公告)号:US20100027242A1

    公开(公告)日:2010-02-04

    申请号:US12446927

    申请日:2007-10-19

    IPC分类号: G02F1/13357

    摘要: A backlight unit, comprising plural linear light sources, and an optical functional sheet, wherein a prism structure having plural prisms is formed on at least one surface of the optical functional sheet, and the values of (Hn−1+Hn)/(An−An−1) are approximately equivalent, wherein, in a brightness distribution graph that expresses a brightness distribution in the optical functional sheet, A1 is a peak site and H1 is a peak height of a first virtual image, A2 is a peak site and H2 is a peak height of a second virtual image adjacent to the first virtual image, . . . , An is a peak site and Hn is a peak height of (n)th virtual image adjacent to (n−1)th virtual image, and these virtual images are derived from the plural linear light sources.

    摘要翻译: 一种背光单元,包括多个线性光源和光学功能片,其中在所述光学功能片的至少一个表面上形成具有多个棱镜的棱镜结构,并且(Hn-1 + Hn)/(An -An-1)近似等效,其中,在表示光学功能片中的亮度分布的亮度分布图中,A1是峰值位置,H1是第一虚像的峰高,A2是峰位置, H2是与第一虚像相邻的第二虚像的峰高。 。 。 An是峰值站点,Hn是与第(n-1)个虚拟图像相邻的第(n)个虚像的峰值高度,并且从多个线性光源导出这些虚拟图像。

    Image pickup apparatus and restoration gain data generation method
    4.
    发明授权
    Image pickup apparatus and restoration gain data generation method 有权
    摄像装置和恢复增益数据生成方法

    公开(公告)号:US08508618B2

    公开(公告)日:2013-08-13

    申请号:US13234738

    申请日:2011-09-16

    申请人: Yasunobu Kishine

    发明人: Yasunobu Kishine

    IPC分类号: H04N9/73 H04N5/228

    CPC分类号: H04N9/045

    摘要: An image pickup apparatus according to one aspect of the invention includes: an imaging lens configured to perform a phase modulation function to extend a depth of field; a color image pickup element configured to convert an optical image which passes through the imaging lens and is formed on the image pickup element into an electric signal, the image pickup element having primary filters of three primary colors arranged for respective pixels in a predetermined pattern; and a restoration processing device configured to perform filtering processing using a single restoration filter on color signals corresponding to the primary filters of the three primary colors outputted from the color image pickup element, the restoration filter being an inverse function of a point spread function obtained when the phase modulation is performed by the imaging lens.

    摘要翻译: 根据本发明的一个方面的图像拾取装置包括:成像透镜,被配置为执行相位调制功能以延长景深; 彩色图像拾取元件,被配置为将通过成像透镜并形成在图像拾取元件上的光学图像转换为电信号,所述图像拾取元件具有以预定图案排列用于各个像素的三原色的初级滤光器; 以及恢复处理装置,被配置为使用单个恢复滤波器对与彩色图像拾取元件输出的三原色的初级滤波器相对应的颜色信号进行滤波处理,恢复滤波器是当在 相位调制由成像透镜执行。