公开(公告)号：US08878975B2

公开(公告)日：2014-11-04

申请号：US13594867

申请日：2012-08-26

申请人： Hsiang-Chi Tang ,  Tsung-Han Tsai ,  Ming-Ta Chou

发明人： Hsiang-Chi Tang ,  Tsung-Han Tsai ,  Ming-Ta Chou

IPC分类号： H04N5/225 ,  G02B13/16 ,  G02B9/34

CPC分类号： G02B13/004

摘要： An image 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 and a fourth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The third lens element with positive refractive power is made of plastic material and has a convex image-side surface, wherein an object-side surface and the image-side surface of the third lens element are aspheric. The fourth lens element with negative refractive power is made of plastic material, and has a concave object-side surface and a concave image-side surface, wherein the object-side surface and the image-side surface of the fourth lens element are aspheric, and the image-side surface of the fourth lens element changes from concave at the paraxial region to convex at the peripheral region.

摘要翻译： 图像光学透镜系统从物体侧到像侧依次包括第一透镜元件，第二透镜元件，第三透镜​​元件和第四透镜元件。 具有正屈光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件具有负屈光力。 具有正折光力的第三透镜元件由塑料材料制成，并且具有凸形的图像侧表面，其中物体侧表面和第三透镜元件的图像侧表面是非球面的。 具有负屈光力的第四透镜元件由塑料材料制成，并且具有凹面物侧表面和凹面像侧表面，其中第四透镜元件的物侧表面和像侧表面是非球面的， 并且第四透镜元件的像侧表面在边缘区域处的凹部在周边区域处变为凸形。

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：US08508863B2

公开(公告)日：2013-08-13

申请号：US13415230

申请日：2012-03-08

申请人： Hsiang-Chi Tang ,  Po-Lun Hsu ,  Ming-Ta Chou

发明人： Hsiang-Chi Tang ,  Po-Lun Hsu ,  Ming-Ta Chou

IPC分类号： G02B13/18 ,  G02B9/34

CPC分类号： G02B13/004 ,  G02B9/34

摘要： This invention provides an image lens system comprising: a first lens element with positive refractive power; a second lens element with negative refractive power having a concave object-side surface and a concave image-side surface, both the object-side and image-side surfaces thereof being aspheric and made of plastic; a third lens element with positive refractive power; and a fourth lens element with negative refractive power, and at least one inflection point is formed on at least one of the object-side and image-side surfaces thereof; wherein, the region of the image-side surface of the second lens element near the optical axis is concave, but the off-axis region thereof is convex. By such arrangement, not only the photosensitivity and total track length of the system can be reduced, but also better image quality can be obtained.

摘要翻译： 本发明提供了一种图像透镜系统，包括：具有正屈光力的第一透镜元件; 具有负折射力的第二透镜元件具有凹面物侧面和凹面像侧面，物体侧和像侧面均为非球面，由塑料制成; 具有正屈光力的第三透镜元件; 和具有负屈光力的第四透镜元件，并且至少一个拐点形成在其物体侧和像侧表面中的至少一个上; 其中，第二透镜元件的靠近光轴的像侧表面的区域是凹形的，但是其偏轴区域是凸形的。 通过这样的配置，不仅可以降低系统的光敏度和总轨道长度，而且可以获得更好的图像质量。

公开(公告)号：US08488259B2

公开(公告)日：2013-07-16

申请号：US13339698

申请日：2011-12-29

申请人： Chun-Shan Chen ,  Hsiang-Chi Tang ,  Po-Lun Hsu ,  Dung-Yi Hsieh

发明人： Chun-Shan Chen ,  Hsiang-Chi Tang ,  Po-Lun Hsu ,  Dung-Yi Hsieh

IPC分类号： G02B3/02

CPC分类号： G02B13/0045 ,  G02B13/18 ,  G02B13/22

摘要： This invention provides an optical image capturing lens system 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; and a fifth lens element with negative refractive power, at least one of the object-side and image-side surfaces thereof being aspheric, and at least one inflection point is formed on at least one of the object-side and image-side surfaces thereof; wherein the system at least has one front stop and one rear stop; which are positioned between an imaged object and the third lens element as well as between the third lens element and the fifth lens element, respectively. By such arrangement, photosensitivity and total track length of the system can be reduced, and the aberration and astigmatism of the system can be effectively corrected. Moreover, the focusing performance thereof can be improved.

摘要翻译： 本发明提供了一种光学图像拍摄透镜系统，包括：具有凸起物体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; 第四透镜元件; 以及具有负屈光力的第五透镜元件，其物侧和像侧表面中的至少一个是非球面的，并且至少一个拐点形成在其物体侧和像侧表面中的至少一个上 ; 其中所述系统至少具有一个前挡块和一个后挡块; 它们分别位于成像对象和第三透镜元件之间，以及位于第三透镜元件和第五透镜元件之间。 通过这种布置，可以减小系统的光敏度和总轨迹长度，并且可以有效地校正系统的像差和散光。 此外，可以提高其聚焦性能。

公开(公告)号：US20130141633A1

公开(公告)日：2013-06-06

申请号：US13594867

申请日：2012-08-26

申请人： Hsiang-Chi TANG ,  Tsung-Han TSAI ,  Ming-Ta CHOU

发明人： Hsiang-Chi TANG ,  Tsung-Han TSAI ,  Ming-Ta CHOU

IPC分类号： H04N5/225 ,  G02B13/18

CPC分类号： G02B13/004

摘要： An image 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 and a fourth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The third lens element with positive refractive power is made of plastic material and has a convex image-side surface, wherein an object-side surface and the image-side surface of the third lens element are aspheric. The fourth lens element with negative refractive power is made of plastic material, and has a concave object-side surface and a concave image-side surface, wherein the object-side surface and the image-side surface of the fourth lens element are aspheric, and the image-side surface of the fourth lens element changes from concave at the paraxial region to convex at the peripheral region.

摘要翻译： 图像光学透镜系统从物体侧到像侧依次包括第一透镜元件，第二透镜元件，第三透镜​​元件和第四透镜元件。 具有正折光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件具有负屈光力。 具有正折光力的第三透镜元件由塑料材料制成，并且具有凸形的图像侧表面，其中物体侧表面和第三透镜元件的图像侧表面是非球面的。 具有负屈光力的第四透镜元件由塑料材料制成，并且具有凹面物侧表面和凹面像侧表面，其中第四透镜元件的物侧表面和像侧表面是非球面的， 并且第四透镜元件的像侧表面在边缘区域处的凹部在周边区域处变为凸形。

公开(公告)号：US08456766B2

公开(公告)日：2013-06-04

申请号：US13015214

申请日：2011-01-27

申请人： Hsiang Chi Tang ,  Hsin Hsuan Huang

发明人： Hsiang Chi Tang ,  Hsin Hsuan Huang

IPC分类号： G02B9/34

CPC分类号： G02B13/004 ,  G02B9/34

摘要： This invention provides a photographing optical system, 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 and concave image-side surface; a second lens element with negative refractive power; a third lens element with positive refractive power having a concave object-side surface and a convex image-side surface; and a fourth lens element with negative refractive power having a concave image-side surface and both the object-side and image-side surfaces thereof being aspheric; wherein the photographing optical system has four lens elements with refractive power. By such arrangement, the total track length and photosensitivity of the photographing optical system can be effectively reduced, and high image resolution can be obtained.

摘要翻译： 本发明提供一种从物体侧到像侧的顺序的拍摄光学系统，包括：具有凸的物体侧表面和凹面图像侧表面的具有正折光力的第一透镜元件; 具有负屈光力的第二透镜元件; 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; 以及具有凹面像侧面的具有负折光力的第四透镜元件，并且其物侧和像侧表面均为非球面; 其中拍摄光学系统具有具有屈光力的四个透镜元件。 通过这样的配置，可以有效地降低拍摄光学系统的总轨迹长度和光敏性，并且可以获得高图像分辨率。

公开(公告)号：US20130114151A1

公开(公告)日：2013-05-09

申请号：US13593490

申请日：2012-08-23

申请人： Chun-Shan CHEN ,  Hsiang-Chi TANG ,  Po-Lun HSU ,  Ming-Ta CHOU

发明人： Chun-Shan CHEN ,  Hsiang-Chi TANG ,  Po-Lun HSU ,  Ming-Ta CHOU

IPC分类号： G02B13/18

CPC分类号： G02B3/04 ,  G02B9/60 ,  G02B13/0045 ,  G02B13/18

摘要： A photographing 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 and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The third lens element with positive refractive power is made of plastic material and has a convex object-side surface and a convex image-side surface. The fourth lens element with negative refractive power is made of plastic material and has a concave object-side surface and a convex image-side surface. The fifth lens element with refractive power is made of plastic material and has a concave image-side surface, wherein the fifth lens element has at least one inflection point. The object-side surfaces and the image-side surfaces of the third through fifth lens elements are aspheric.

摘要翻译： 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，从物体侧到像侧依次包括拍摄系统。 具有正折光力的第一透镜元件具有凸的物体侧表面。 第二透镜元件具有负屈光力。 具有正屈光力的第三透镜元件由塑料材料制成，并且具有凸形的物体侧表面和凸形的图像侧表面。 具有负屈光力的第四透镜元件由塑料材料制成，并且具有凹面物侧表面和凸像侧表面。 具有屈光力的第五透镜元件由塑料材料制成并且具有凹形图像侧表面，其中第五透镜元件具有至少一个拐点。 第三至第五透镜元件的物体侧表面和像侧表面是非球面的。

公开(公告)号：US20130070347A1

公开(公告)日：2013-03-21

申请号：US13415230

申请日：2012-03-08

申请人： Hsiang-Chi Tang ,  Po-Lun Hsu ,  Ming-Ta Chou

发明人： Hsiang-Chi Tang ,  Po-Lun Hsu ,  Ming-Ta Chou

IPC分类号： G02B13/18

CPC分类号： G02B13/004 ,  G02B9/34

摘要： This invention provides an image lens system comprising: a first lens element with positive refractive power; a second lens element with negative refractive power having a concave object-side surface and a concave image-side surface, both the object-side and image-side surfaces thereof being aspheric and made of plastic; a third lens element with positive refractive power; and a fourth lens element with negative refractive power, and at least one inflection point is formed on at least one of the object-side and image-side surfaces thereof; wherein, the region of the image-side surface of the second lens element near the optical axis is concave, but the off-axis region thereof is convex. By such arrangement, not only the photosensitivity and total track length of the system can be reduced, but also better image quality can be obtained.

摘要翻译： 本发明提供了一种图像透镜系统，包括：具有正屈光力的第一透镜元件; 具有负折射力的第二透镜元件具有凹面物侧面和凹面像侧面，物体侧和像侧面均为非球面，由塑料制成; 具有正屈光力的第三透镜元件; 和具有负屈光力的第四透镜元件，并且至少一个拐点形成在其物体侧和像侧表面中的至少一个上; 其中，第二透镜元件的靠近光轴的图像侧表面的区域是凹形的，但是其偏轴区域是凸形的。 通过这样的配置，不仅可以降低系统的光敏度和总轨道长度，而且可以获得更好的图像质量。

公开(公告)号：US20130057968A1

公开(公告)日：2013-03-07

申请号：US13545003

申请日：2012-07-10

申请人： Hsiang-Chi TANG ,  Chun-Shan CHEN ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

发明人： Hsiang-Chi TANG ,  Chun-Shan CHEN ,  Tsung-Han TSAI ,  Hsin-Hsuan HUANG

IPC分类号： G02B13/18

CPC分类号： G02B13/0045

摘要： An image capturing optical 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 a convex object-side surface. The second lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The third lens element with refractive power has a concave object-side surface, wherein the surfaces of the third lens element are aspheric. The fourth lens element has positive refractive power, wherein two surfaces of the fourth lens element are aspheric. The fifth lens element has refractive power, wherein two surfaces of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point formed on at least one surface thereof.

摘要翻译： 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，从物体侧到像侧依次包括图像拍摄光学透镜组件。 具有正折光力的第一透镜元件具有凸的物体侧表面。 具有负屈光力的第二透镜元件具有凹入的物体侧表面和凸形的图像侧表面。 具有屈光力的第三透镜元件具有凹入的物体侧表面，其中第三透镜元件的表面是非球面的。 第四透镜元件具有正折射力，其中第四透镜元件的两个表面是非球面的。 第五透镜元件具有屈光力，其中第五透镜元件的两个表面是非球面的，并且第五透镜元件在其至少一个表面上形成有至少一个拐点。

公开(公告)号：US08369029B2

公开(公告)日：2013-02-05

申请号：US13104880

申请日：2011-05-10

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

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

IPC分类号： G02B9/00

CPC分类号： G02B9/10 ,  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 group has only one first lens element with a positive refractive power, and a second lens group in order from the object side to the image side comprising: a second lens element with a negative refractive power, a third lens element, a fourth lens element and a fifth lens element; while a distance between an imaged object and the image capturing lens assembly changes from far to near, focusing is performed by moving the first lens group along the optical axis and a distance between the first lens group and an image plane changes from near to far. By such arrangement and focusing adjustment method, good image quality is achieved and less power is consumed.

摘要翻译： 本发明提供从物体侧到像侧的顺序的摄像透镜组件，包括：第一透镜组仅具有一个具有正折光力的第一透镜元件和从物体侧到图像的顺序的第二透镜组 包括：具有负折光力的第二透镜元件，第三透镜​​元件，第四透镜元件和第五透镜元件; 而成像对象与图像拍摄镜头组件之间的距离从远到近改变，通过沿着光轴移动第一透镜组并且第一透镜组和图像平面之间的距离从近到远地进行聚焦。 通过这种布置和聚焦调整方法，实现了良好的图像质量，并且消耗了较少的功率。