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    • 5. 发明申请
    • OPTICAL IMAGING LENS AND ELECTRONIC DEVICE COMPRISING THE SAME
    • 光学成像镜头和包含该镜片的电子设备
    • US20150160437A1
    • 2015-06-11
    • US14289660
    • 2014-05-29
    • Kai Lun WangTa-Cheng FanJia-Sin Jhang
    • Kai Lun WangTa-Cheng FanJia-Sin Jhang
    • G02B13/00H04N5/225
    • H04N5/2254G02B9/34G02B13/004
    • An optical imaging lens set includes a first lens with positive refractive power, a convex object-side surface and a convex image-side surface in a vicinity of its periphery, a second lens element with negative refractive power and a concave object-side surface in a vicinity of its periphery, a third lens element with positive refractive power, a concave object-side surface in a vicinity of the optical axis and a convex image-side surface in a vicinity of the optical axis, a fourth lens element with a convex object-side surface in a vicinity of the optical axis, a concave image-side surface in a vicinity of the optical axis and a convex image-side surface in a vicinity of its periphery. G12 is an air gap between the first and the second lens, and G23 is an air gap between the second and the third lens to satisfy 0.5≦G12/G23≦3.0.
    • 光学成像透镜组包括具有正折光力的第一透镜,其周边附近的凸面物侧表面和凸像侧表面,具有负屈光力的第二透镜元件和凹面物侧表面 其周围附近,具有正屈光力的第三透镜元件,光轴附近的凹面物侧表面和光轴附近的凸像侧表面,具有凸面的第四透镜元件 光轴附近的物体侧表面,光轴附近的凹面像侧面及其周边附近的凸像侧面。 G12是第一透镜和第二透镜之间的气隙,G23是第二透镜和第三透镜之间的气隙,满足0.5≦̸ G12 / G23≦̸ 3.0。