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    • 14. 发明授权
    • Lens module for image capture
    • 用于图像捕获的镜头模块
    • US09069153B2
    • 2015-06-30
    • US13825586
    • 2011-03-18
    • Xiaoxiong QiuJean-Pierre Lusinchi
    • Xiaoxiong QiuJean-Pierre Lusinchi
    • G02B9/06G02B13/00G02B9/08
    • G02B13/003G02B9/06G02B9/08
    • An optical module comprises: a first positive meniscus lens having a focal length F1 and comprising a first convex optical surface facing an object side, and a second concave optical surface facing an image side; a second positive meniscus lens having a focal length F2 and comprising a third concave optical surface facing the object side, and a fourth convex optical surface facing the image side. The four surfaces follow the curvature equation: Zi=CURViYi2/(1+(1−(1+Ki)CURVi2Yi2)1/2)+(Ai)Yi2+(Bi)Yi4+(Ci)Yi6+(Di)Yi8 with Mi=1−(1+Ki)(CURVi)2(Ri)2 where: i is the surface number, Ki is the conic constant of the i-th surface; CURVi is the curvature of the i-th surface at the optical axis; Ai, Bi, Ci, Di, are aspheric coefficients of the i-th surface; Ri is the effective radius of aperture of the i-th surface. The following relations are satisfied: 0.60
    • 光学模块包括:第一正弯月形透镜,具有焦距F1并且包括面向物体侧的第一凸形光学表面和面向像侧的第二凹形光学表面; 具有焦距F2并包括面向物体侧的第三凹面光学表面的第二正弯月透镜和面向像侧的第四凸形光学表面。 四个表面遵循曲率方程:Zi = CURViYi2 /(1+(1-(1 + Ki)CURVi2Yi2)1/2)+(Ai)Yi2 +(Bi)Yi4 +(Ci)Yi6 +(Di)Yi8,Mi = 1 - (1 + Ki)(CURVi)2(Ri)2其中:i是表面数,Ki是第i个表面的圆锥常数; CURVi是第i个表面在光轴处的曲率; Ai,Bi,Ci,Di是第i个表面的非球面系数; Ri是第i个表面的孔径的有效半径。 满足以下关系:0.60