公开(公告)号：US20120314302A1

公开(公告)日：2012-12-13

申请号：US13236886

申请日：2011-09-20

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

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

IPC分类号： G02B13/18

CPC分类号： G02B13/0045 ,  G02B13/22

摘要： This invention provides an optical lens system comprising: a first lens element with positive refractive power; a second lens element with negative refractive power; a third lens element with negative refractive power having a concave object-side surface and at least one of the object-side surface and the image-side surface thereof being aspheric; a plastic fourth lens element having at least one of the object-side surface and the image-side surface thereof being aspheric; a plastic fifth lens element having a concave image-side surface, at least one of the object-side surface and the image-side surface thereof being aspheric, and at least one inflection point is formed on at least one of the object-side surface and the image-side surface thereof. 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, high image resolution can be obtained.

摘要翻译： 本发明提供一种光学透镜系统，包括：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; 具有凹面物侧表面的负屈光力的第三透镜元件和物侧表面和图像侧表面中的至少一个是非球面的; 具有物体侧表面和图像侧表面中的至少一个的塑料第四透镜元件是非球面的; 具有凹面图像侧表面的塑料第五透镜元件，所述物体侧表面和图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所述物体侧表面 及其图像侧表面。 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，可以获得高图像分辨率。

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：US08520322B2

公开(公告)日：2013-08-27

申请号：US13171480

申请日：2011-06-29

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： G02B13/18

CPC分类号： G02B13/006 ,  G02B9/34 ,  G02B9/58 ,  G02B13/0045

摘要： A lens system includes, in order from an object side to an image side: the first lens element with negative refractive power having a convex object-side surface and concave image-side surface, the second lens element with refractive power, the third lens element with positive refractive power having a convex image-side surface, the fourth lens element with negative refractive power having a concave object-side surface, the fourth lens element connected to the third lens element, and the fifth lens element with negative refractive power. By such arrangement, the aberration of the lens system can be corrected. The photosensitivity of the lens system can be effectively reduced while retaining high image quality.

摘要翻译： 透镜系统从物体侧到像侧依次包括：具有凸折光焦度的表面和凹面像侧面的具有负屈光力的第一透镜元件，具有屈光力的第二透镜元件，第三透镜​​元件 正屈光力具有凸形的图像侧表面，具有凹入物体侧表面的具有负折光力的第四透镜元件，连接到第三透镜元件的第四透镜元件和具有负折光力的第五透镜元件。 通过这样的布置，可以校正透镜系统的像差。 可以有效降低透镜系统的光敏性，同时保持高图像质量。

公开(公告)号：US08339718B1

公开(公告)日：2012-12-25

申请号：US13236886

申请日：2011-09-20

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

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

IPC分类号： G02B9/60 ,  G02B3/02

CPC分类号： G02B13/0045 ,  G02B13/22

摘要： This invention provides an optical lens system comprising: a first lens element with positive refractive power; a second lens element with negative refractive power; a third lens element with negative refractive power having a concave object-side surface and at least one of the object-side surface and the image-side surface thereof being aspheric; a plastic fourth lens element having at least one of the object-side surface and the image-side surface thereof being aspheric; a plastic fifth lens element having a concave image-side surface, at least one of the object-side surface and the image-side surface thereof being aspheric, and at least one inflection point is formed on at least one of the object-side surface and the image-side surface thereof. 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, high image resolution can be obtained.

摘要翻译： 本发明提供一种光学透镜系统，包括：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; 具有凹面物侧表面的负屈光力的第三透镜元件和物侧表面和图像侧表面中的至少一个是非球面的; 具有物体侧表面和图像侧表面中的至少一个的塑料第四透镜元件是非球面的; 具有凹面图像侧表面的塑料第五透镜元件，所述物体侧表面和图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所述物体侧表面 及其图像侧表面。 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，可以获得高图像分辨率。

公开(公告)号：US08760776B2

公开(公告)日：2014-06-24

申请号：US13400790

申请日：2012-02-21

申请人： Dung-Yi Hsieh ,  Hsiang-Chi Tang ,  Ming-Ta Chou

发明人： Dung-Yi Hsieh ,  Hsiang-Chi Tang ,  Ming-Ta Chou

IPC分类号： G02B9/34 ,  G02B13/00

CPC分类号： G02B13/004 ,  G02B9/34

摘要： This invention provides an optical image capturing lens assembly comprising four lens elements, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a plastic third lens element with positive refractive power having a concave object-side surface and a convex image-side surface, the object-side and image-side surfaces thereof being aspheric; and a plastic fourth lens element with negative refractive power, an object-side surface and an image-side surface thereof being aspheric, at least one inflection point being formed on at least one of the object-side and image-side surfaces thereof. With the aforementioned arrangement, the total track length of the lens assembly can be effectively reduced, the sensitivity of the system can be attenuated and the image quality can be improved.

摘要翻译： 本发明提供一种光学图像拍摄透镜组件，其包括从物体侧到像侧的四个透镜元件：具有凸起物体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; 具有正折射力的塑料第三透镜元件，具有凹面物侧表面和凸像侧表面，其物侧和像侧表面为非球面; 以及具有负屈光力的塑料第四透镜元件，物体侧表面和像侧表面是非球面的，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。 通过上述的布置，可以有效地减少透镜组件的总轨道长度，可以使系统的灵敏度被衰减并且可以提高图像质量。

公开(公告)号：US08786962B2

公开(公告)日：2014-07-22

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： G02B3/02 ,  G02B13/18 ,  G02B9/60 ,  G02B13/00

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：US20130044379A1

公开(公告)日：2013-02-21

申请号：US13400790

申请日：2012-02-21

申请人： Dung-Yi Hsieh ,  Hsiang-Chi Tang ,  Ming-Ta Chou

发明人： Dung-Yi Hsieh ,  Hsiang-Chi Tang ,  Ming-Ta Chou

IPC分类号： G02B13/18

CPC分类号： G02B13/004 ,  G02B9/34

摘要： This invention provides an optical image capturing lens assembly comprising four lens elements, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface; a second lens element with negative refractive power; a plastic third lens element with positive refractive power having a concave object-side surface and a convex image-side surface, the object-side and image-side surfaces thereof being aspheric; and a plastic fourth lens element with negative refractive power, an object-side surface and an image-side surface thereof being aspheric, at least one inflection point being formed on at least one of the object-side and image-side surfaces thereof. With the aforementioned arrangement, the total track length of the lens assembly can be effectively reduced, the sensitivity of the system can be attenuated and the image quality can be improved.

摘要翻译： 本发明提供一种光学图像拍摄透镜组件，其包括从物体侧到像侧的四个透镜元件：具有凸起物体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; 具有正折射力的塑料第三透镜元件，具有凹面物侧表面和凸像侧表面，其物侧和像侧表面为非球面; 以及具有负屈光力的塑料第四透镜元件，物体侧表面和像侧表面是非球面的，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。 通过上述的布置，可以有效地减少透镜组件的总轨道长度，可以使系统的灵敏度被衰减并且可以提高图像质量。

公开(公告)号：US08358473B2

公开(公告)日：2013-01-22

申请号：US13251707

申请日：2011-10-03

申请人： Hsiang-Chi Tang ,  Ming-Ta Chou

发明人： Hsiang-Chi Tang ,  Ming-Ta Chou

IPC分类号： G02B3/02 ,  G02B9/34

CPC分类号： G02B13/004 ,  G02B13/22

摘要： An optical lens for image pickup, sequentially arranged from an object side to an image side, comprising: the first lens element with positive refractive power having a convex object-side surface, the second lens element with negative refractive power having a convex object-side surface and a concave image-side surface, the plastic third lens element with positive refractive power having a concave object-side surface and a convex image-side surface with both being aspheric, the plastic fourth lens element with positive refractive power having a convex object-side surface and a concave image-side surface with both being aspheric. By such arrangements, the optical lens for image pickup satisfies conditions related to reduce the sensitivity and to shorten the total length for use in compact cameras and mobile phones with camera functionalities.

摘要翻译： 一种用于图像拾取的光学透镜，从物体侧到像侧依次布置，包括：具有凸面物体侧表面的具有正折光力的第一透镜元件，具有负折射光焦度的第二透镜元件具有凸面物体侧 表面和凹面像侧面，具有正折射力的塑料第三透镜元件具有凹面物侧表面和具有非球面的凸像侧表面，具有正折射力的塑料第四透镜元件具有凸形物体 并且具有两个非球面的凹面图像侧表面。 通过这样的配置，用于图像拾取的光学透镜满足与降低灵敏度相关的条件并缩短用于具有照相机功能的小型照相机和手机中的总长度。

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：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。