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    • 1. 发明授权
    • Imaging lens, imaging apparatus and portable terminal device
    • 成像镜头,成像设备和便携式终端设备
    • US08390941B2
    • 2013-03-05
    • US12755016
    • 2010-04-06
    • Yoshikazu Shinohara
    • Yoshikazu Shinohara
    • G02B13/18G02B9/60
    • G02B13/0045G02B9/60
    • An imaging lens is provided and includes: in order from the object side, a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a convex surface on the image side near the optical axis and having a positive refractive power; a fourth lens having a positive refractive power near the optical axis; and a fifth lens having a negative refractive power near the optical axis. An image side surface of the fifth lens is concave near the optical axis and has a region where a negative power of the region decreases toward a periphery of the fifth lens as compared with a negative power near the optical axis.
    • 提供了一种成像透镜,包括:从物体侧起依次具有正屈光力的第一透镜; 具有负屈光力的第二透镜; 第三透镜,其具有在光轴附近的像侧上具有正折射光焦度的凸面; 在光轴附近具有正屈光力的第四透镜; 以及在光轴附近具有负折光力的第五透镜。 第五透镜的像侧表面在光轴附近是凹入的,并且具有与光轴附近的负电力相比,该区域的负功率朝向第五透镜的周边减小的区域。
    • 3. 发明授权
    • Imaging lens and imaging apparatus using imaging lens
    • 成像透镜和使用成像透镜的成像装置
    • US07911714B2
    • 2011-03-22
    • US12501034
    • 2009-07-10
    • Yoshikazu Shinohara
    • Yoshikazu Shinohara
    • G02B9/34
    • G02B13/006G02B13/004G02B13/18
    • Disclosed is an imaging lens having both high heat resistance that enables the imaging lens to be mounted on a printed circuit board by a reflow mounting method and a high optical performance. The imaging lens includes: a first positive lens group; a second negative lens group; a third positive lens group; and a fourth positive or negative lens group. Each of the first to fourth lens groups includes a parallel plane glass plate and a resin lens that has heat resistance and is arranged on the parallel plane glass plate so as to be integrated with the parallel plane glass plate.
    • 公开了具有高耐热性的成像透镜,其能够通过回流安装方法和高光学性能将成像透镜安装在印刷电路板上。 成像透镜包括:第一正透镜组; 第二负透镜组; 第三个正透镜组; 和第四个正或负透镜组。 第一至第四透镜组中的每一个包括平行玻璃板和具有耐热性的树脂透镜,并且布置在平行平面玻璃板上以与平行平面玻璃板一体化。
    • 4. 发明授权
    • Imaging lens
    • 成像镜头
    • US07502181B2
    • 2009-03-10
    • US11727799
    • 2007-03-28
    • Yoshikazu Shinohara
    • Yoshikazu Shinohara
    • G02B9/60
    • G02B13/0045G02B9/60G02B13/18G02B13/22
    • An imaging lens is provided and includes: a positive first lens with a convex surface directed to the object side; a second lens having a negative meniscus shape with a concave surface directed to the image side; a third lens having a positive meniscus shape with a convex surface directed to the image side; a negative fourth lens with both surfaces being an aspheric surface and the image-side surface being concave in the proximity of the optical axis; and a positive or negative fifth lens with both surfaces being an aspheric surface, in order from the object side. The following conditional expressions are satisfied as for Abbe numbers vd1 and vd2of the first lens and the second lens and Abbe number vd4 of the fourth lens. vd1>50   (1) vd2
    • 提供了一种成像透镜,包括:具有朝向物体侧的凸表面的正的第一透镜; 具有朝向图像侧的凹面的负弯液面形状的第二透镜; 具有朝向图像侧的凸表面的正弯月面形状的第三透镜; 具有两个表面是非球面的负第四透镜,并且图像侧表面在光轴附近是凹的; 以及从物体侧起依次具有两个表面为非球面的正或负的第五透镜。 对于第一透镜和第二透镜的阿贝数vd1和vd2以及第四透镜的阿贝数vd4,满足以下条件表达式。 <?in-line-formula description =“In-line Formulas”end =“lead”?> vd1> 50(1)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> vd2 <30(2)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> vd4 <30(3)<?in-line-formula description =“In-line Formulas”end =“tail”?>
    • 5. 发明申请
    • Imaging lens
    • 成像镜头
    • US20070188891A1
    • 2007-08-16
    • US11705778
    • 2007-02-14
    • Yoshikazu Shinohara
    • Yoshikazu Shinohara
    • G02B9/34
    • G02B13/004G02B9/34G02B13/22
    • An imaging lens is provided and has, in order from the object side, a first lens of a positive lens having a convex surface on the object side thereof; a second lens in a meniscus shape having a concave surface on an image side thereof; a third lens in a meniscus shape having a convex surface on the image side thereof; and a fourth lens of a positive or negative lens, both surfaces of the fourth lens being aspheric and the fourth lens having a concave surface on the image side and in a vicinity of an optical axis of the fourth lens. The Abbe numbers of the first and second lenses as well as the focal distances of the first to fourth lenses satisfies specific conditions.
    • 提供了一种成像透镜,其从物体侧起依次具有在其物体侧具有凸面的正透镜的第一透镜; 弯液面形状的第二透镜,其像侧上具有凹面; 弯液面形状的第三透镜,其像侧具有凸面; 以及正或负透镜的第四透镜,所述第四透镜的两个表面均为非球面,所述第四透镜在所述第一透镜的像侧和所述第四透镜的光轴附近具有凹面。 第一透镜和第二透镜的阿贝数以及第一至第四透镜的焦距满足特定条件。
    • 8. 发明申请
    • IMAGING LENS, IMAGING APPARATUS AND PORTABLE TERMINAL DEVICE
    • 成像镜头,成像设备和便携式终端设备
    • US20100254029A1
    • 2010-10-07
    • US12755016
    • 2010-04-06
    • Yoshikazu Shinohara
    • Yoshikazu Shinohara
    • G02B9/60
    • G02B13/0045G02B9/60
    • An imaging lens is provided and includes: in order from the object side, a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a convex surface on the image side near the optical axis and having a positive refractive power; a fourth lens having a positive refractive power near the optical axis; and a fifth lens having a negative refractive power near the optical axis. An image side surface of the fifth lens is concave near the optical axis and has a region where a negative power of the region decreases toward a periphery of the fifth lens as compared with a negative power near the optical axis
    • 提供了一种成像透镜,包括:从物体侧起依次具有正屈光力的第一透镜; 具有负屈光力的第二透镜; 第三透镜,其具有在光轴附近的像侧上具有正折射光焦度的凸面; 在光轴附近具有正屈光力的第四透镜; 以及在光轴附近具有负折光力的第五透镜。 第五透镜的像侧表面在光轴附近是凹入的,并且具有与光轴附近的负电力相比,该区域的负功率朝向第五透镜的周边减小的区域