公开(公告)号：US08355213B2

公开(公告)日：2013-01-15

申请号：US12659501

申请日：2010-03-11

申请人： Hsiang Chi Tang ,  Tsung Han Tsai

发明人： Hsiang Chi Tang ,  Tsung Han Tsai

IPC分类号： G02B3/02 ,  G02B13/18 ,  G02B9/12

CPC分类号： G02B13/0035

摘要： This invention provides a photographing lens system comprising, in order from an object side to an image side: a first lens with positive refractive power having a convex object-side surface; a second lens with negative refractive power, both its two surfaces being aspheric; a third lens having a concave image-side surface, both its two surfaces being aspheric and at least one of them having at least one inflection point; and an aperture stop disposed between an imaged object and the first lens; wherein there are only three lenses with refractive power; the focal length of the photographing lens system is f, the focal length of the first lens and the second lens is f1 and f2, respectively, the radius of curvature of the object-side surface of the first lens is R1, the Abbe number of the first lens and second lens is V1 and V2, respectively, and they satisfy the relations: 1.28

摘要翻译： 本发明提供了一种拍摄镜头系统，其从物体侧到图像侧依次包括：具有凸面物体侧表面的具有正折光力的第一透镜; 具有负屈光力的第二透镜，其两个表面都是非球面的; 具有凹面图像侧表面的第三透镜，其两个表面都是非球面的，并且其中至少一个具有至少一个拐点; 以及设置在成像对象和第一透镜之间的孔径光阑; 其中只有三个具有屈光力的透镜; 拍摄镜头系统的焦距为f，第一透镜和第二透镜的焦距分别为f1和f2，第一透镜的物体侧表面的曲率半径为R1，阿贝数 第一透镜和第二透镜分别为V1和V2，满足关系：1.28

公开(公告)号：US09678315B2

公开(公告)日：2017-06-13

申请号：US15345133

申请日：2016-11-07

申请人： LARGAN Precision Co., Ltd.

发明人： Wei-Yu Chen

IPC分类号： G02B9/64 ,  G02B13/00 ,  G02B5/00 ,  G02B27/00 ,  G02B5/20

CPC分类号： G02B13/0045 ,  G02B3/04 ,  G02B5/005 ,  G02B5/208 ,  G02B9/64 ,  G02B27/0025

摘要： A photographing optical lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. The second lens element has positive refractive power. The eighth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the eighth lens element has at least one convex shape in an off-axis region thereof, and both an object-side surface and the image-side surface thereof are aspheric. The photographing optical lens system has a total of eight lens elements. An air gap in a paraxial region is located between every two lens elements of the photographing optical lens system that are adjacent to each other.

公开(公告)号：US08743485B2

公开(公告)日：2014-06-03

申请号：US12912460

申请日：2010-10-26

申请人： Dung Yi Hsieh ,  Hsiang Chi Tang ,  Tsung Han Tsai

发明人： Dung Yi Hsieh ,  Hsiang Chi Tang ,  Tsung Han Tsai

IPC分类号： G02B9/60 ,  G02B9/62

CPC分类号： G02B9/60 ,  G02B9/62 ,  G02B13/06

摘要： The present invention provides a wide-viewing-angle imaging lens assembly comprising, in order from an object side to an image side: a front lens group, a stop, and a rear lens group. The front lens group comprises, in order from the object side to the image side: a first lens element with negative refractive power having a concave image-side surface and a second lens element. The rear lens group comprises, in order from the object side to the image side: a third lens element with positive refractive power having a concave object-side surface and a convex image-side surface, a fourth lens element with positive refractive power having a convex object-side surface and a convex image-side surface, and a fifth lens element with negative refractive power having a concave object-side surface. Such an arrangement of optical elements can effectively enlarge the field of view of the wide-viewing-angle imaging lens assembly, reduce the sensitivity of the optical system, and obtain good image quality.

摘要翻译： 本发明提供一种广视角成像镜头组件，其包括从物体侧到图像侧的顺序：前透镜组，止挡件和后透镜组。 前透镜组从物体侧到像侧依次包括具有凹面像侧表面的负折射光焦度的第一透镜元件和第二透镜元件。 后透镜组从物体侧到像侧依次包括具有正折射力的第三透镜元件，具有凹面物侧表面和凸像侧表面，具有正折射力的第四透镜元件具有 凸形物体侧表面和凸形图像侧表面，以及具有凹入物体侧表面的具有负折光力的第五透镜元件。 这种光学元件的布置可以有效地扩大宽视角成像透镜组件的视野，降低光学系统的灵敏度，并获得良好的图像质量。

公开(公告)号：US08705182B1

公开(公告)日：2014-04-22

申请号：US13741366

申请日：2013-01-14

申请人： Largan Precision Co., Ltd.

发明人： Chun-Shan Chen ,  Wei-Yu Chen

IPC分类号： G02B3/02 ,  G02B9/60 ,  G02B13/00

CPC分类号： G02B13/0045 ,  G02B3/02 ,  G02B9/60 ,  G02B13/18

摘要： A photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex at a paraxial region thereof. The second lens element has negative refractive power. The third lens element has refractive power. The fourth lens element with positive refractive power has an object-side surface being concave at a paraxial region thereof and an image-side surface being convex at a paraxial region thereof. The fifth lens element with negative refractive power has an image-side surface being concave at a paraxial region thereof and being convex at a peripheral region thereof, wherein the fifth lens element is made of plastic material and has at least one surface being aspheric.

摘要翻译： 拍摄镜头组件包括从物体侧到图像侧的顺序，第一透镜元件，第二透镜元件，第三透镜​​元件，第四透镜元件和第五透镜元件。 具有正折光力的第一透镜元件具有在其近轴区域处凸出的物体侧表面。 第二透镜元件具有负屈光力。 第三透镜元件具有屈光力。 具有正折光力的第四透镜元件具有在其近轴区域处凹入的物体侧表面，并且在其近轴区域处具有凸面的图像侧表面。 具有负屈光力的第五透镜元件具有在其近轴区域处凹陷的图像侧表面，并且在其周边区域处是凸形的，其中第五透镜元件由塑料材料制成并且具有至少一个非球面的表面。

公开(公告)号：US08310767B2

公开(公告)日：2012-11-13

申请号：US13084855

申请日：2011-04-12

申请人： Hsin Hsuan Huang ,  Tsung Han Tsai

发明人： Hsin Hsuan Huang ,  Tsung Han Tsai

IPC分类号： G02B9/62 ,  G02B3/02

CPC分类号： G02B13/0045

摘要： This invention provides an image capturing lens assembly, in order from an object side to an image side comprising: a first lens element with positive refractive power having a convex object-side surface; a second lens element; a third lens element; a fourth lens element having at least one of an object-side surface and an image-side surface thereof being aspheric; a fifth lens element with positive refractive power having a convex image-side surface, at least one of an object-side surface and the image-side surface thereof being aspheric, and the fifth lens element is made of plastic; and a sixth lens element with negative refractive power having a concave image-side surface, at least one of an object-side surface and the image-side surface thereof being aspheric, and the sixth lens element is made of plastic. By such arrangement, the photo-sensitivity and the total track length of the image capturing lens assembly can be reduced. Furthermore, the aberration and astigmatism of the assembly can be effectively corrected for obtaining higher image resolution.

摘要翻译： 本发明提供了一种从物体侧到像侧的顺序的摄像透镜组件，包括：具有凸折物侧表面的具有正折光力的第一透镜元件; 第二透镜元件; 第三透镜元件; 具有物体侧表面和图像侧表面中的至少一个是非球面的第四透镜元件; 具有正的折射力的第五透镜元件具有凸形的图像侧表面，物体侧表面和其图像侧表面中的至少一个是非球面的，并且第五透镜元件由塑料制成; 以及具有凹面像侧面的具有负屈光力的第六透镜元件，物侧表面和像侧表面中的至少一个是非球面的，第六透镜元件由塑料制成。 通过这样的布置，可以减小图像拍摄透镜组件的光敏度和总轨道长度。 此外，可以有效地校正组件的像差和像散以获得更高的图像分辨率。

公开(公告)号：US08345358B2

公开(公告)日：2013-01-01

申请号：US13194187

申请日：2011-07-29

申请人： Chih-Wen Hsu ,  Ming-Ta Chou ,  Tsung-Han Tsai

发明人： Chih-Wen Hsu ,  Ming-Ta Chou ,  Tsung-Han Tsai

IPC分类号： G02B9/60

CPC分类号： G02B13/0045 ,  G02B9/60

摘要： The present invention provides an image-capturing optical lens assembly comprising, in order from an object side to an image side, a front lens group, a stop, and a rear lens group. The front lens group comprises, in order from the object side to the image side: a first lens element with negative refractive power having a convex object-side surface and a concave image-side surface; and a second lens element with positive refractive power having a convex object-side surface and a concave image-side surface. The rear lens group comprises, in order from the object side to the image side: a third lens element with positive refractive power having a convex object-side surface and a convex image-side surface; a fourth lens element with negative refractive power; and a fifth lens element with positive refractive power having a convex image-side surface. With such an arrangement of optical elements, the optical system will have a field of view that is large enough; meanwhile, aberrations of the optical system can be favorably corrected to obtain good image quality.

摘要翻译： 本发明提供一种摄像光学透镜组件，其从物体侧到像侧依次包括前透镜组，光阑和后透镜组。 前透镜组从物体侧到像侧依次包括具有凸面物侧面和凹面像侧面的具有负屈光力的第一透镜元件; 以及具有正的折射力的第二透镜元件，具有凸形的物体侧表面和凹形的图像侧表面。 后透镜组从物体侧到像侧依次包括：具有凸面像侧面和凸像侧面的正折光力的第三透镜元件; 具有负屈光力的第四透镜元件; 以及具有正的折射力的第五透镜元件具有凸形的图像侧表面。 利用这种光学元件的布置，光学系统将具有足够大的视场; 同时可以有利地校正光学系统的像差，以获得良好的图像质量。

公开(公告)号：US08077400B2

公开(公告)日：2011-12-13

申请号：US12883181

申请日：2010-09-16

申请人： Hsiang Chi Tang

发明人： Hsiang Chi Tang

IPC分类号： G02B13/18 ,  G02B9/12

CPC分类号： G02B13/0035 ,  G02B13/18

摘要： An optical lens system for taking image comprises three lens elements with refractive power, from the object side to the image side: a first lens element with positive refractive power, a second lens element with negative refractive power having at least one aspheric surface, a third lens element with negative refractive power having at least one aspheric surface, and an aperture stop located between the first lens element and the second lens element. By such arrangements, it can effectively reduce the volume and the sensitivity of the lens system.

摘要翻译： 用于拍摄图像的光学透镜系统包括从物体侧到像侧的具有屈光力的三个透镜元件：具有正折光力的第一透镜元件，具有至少一个非球面的负折射光焦度的第二透镜元件，第三透镜 具有至少一个非球面的具有负屈光力的透镜元件和位于第一透镜元件和第二透镜元件之间的孔径光阑。 通过这样的配置，可以有效地降低镜头系统的体积和灵敏度。