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1. 发明授权

US11573406B2 Image capturing optical lens system 有权
公开(公告)号：US11573406B2
公开(公告)日：2023-02-07
申请号：US17140149
申请日：2021-01-04
申请人： LARGAN PRECISION CO., LTD.
发明人： Hsiang-Chi Tang , Tsung-Han Tsai , Hsin-Hsuan Huang
IPC分类号： G02B13/18 , G02B9/62 , G02B13/00 , G02B27/00
摘要： An image capturing 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, and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element with refractive power has a concave image-side surface. The fourth lens element has refractive power, and at least one surface thereof is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface, and an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces are aspheric.

2. 发明授权

US10935801B2 Imaging lens assembly, camera module and electronic device 有权
公开(公告)号：US10935801B2
公开(公告)日：2021-03-02
申请号：US16708506
申请日：2019-12-10
申请人： LARGAN PRECISION CO., LTD.
发明人： Hsiang-Chi Tang , Cheng-Chen Lin , Ming-Ta Chou
IPC分类号： G02B27/09 , G02B9/34 , H04N5/225 , G02B7/02 , G02B13/00 , G02B9/60
摘要： An imaging lens assembly includes a plastic barrel and an imaging lens set. The plastic barrel includes an object-side aperture and a first annular surface. The imaging lens set includes a plurality of optical elements, wherein at least one of the optical elements is a plastic lens element, and the plastic lens element includes an effective optical portion, a peripheral portion, a second annular surface, and an object-side connecting surface. The peripheral portion is formed around the effective optical portion. The second annular surface is formed on an object-side surface of the plastic lens element and surrounds the effective optical portion. The object-side connecting surface is formed on the object-side surface of the plastic lens element and surrounds the effective optical portion, and the object-side connecting surface is connected with one of the optical elements disposed on an object side of the plastic lens element.

3. 发明授权

US09482844B2 Imaging lens system, image capturing device and electronic device 有权
标题翻译：成像透镜系统，摄像装置和电子装置
公开(公告)号：US09482844B2
公开(公告)日：2016-11-01
申请号：US14564589
申请日：2014-12-09
申请人： LARGAN PRECISION CO., LTD.
发明人： Cheng-Chen Lin , Hsiang-Chi Tang , Kuan-Ming Chen , Wei-Yu Chen
IPC分类号： G02B13/00 , G02B13/18 , G02B9/60 , H04N5/225
CPC分类号： G02B13/0045 , G02B9/60 , G02B13/18 , H04N5/2253 , H04N5/2254
摘要： An imaging 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, 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 convex object-side surface and a concave image-side surface. The third lens element with negative refractive power has a concave image-side surface and the image-side surface having at least one inflection point in an off-axis region. The fourth lens element with positive refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with negative refractive power has a concave object-side surface and a concave image-side surface with at least one convex shape in an off-axis region.
摘要翻译：成像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，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凸的物体侧表面。具有负屈光力的第二透镜元件具有凸的物体侧表面和凹形的图像侧表面。具有负屈光力的第三透镜元件具有凹形图像侧表面，并且图像侧表面在偏轴区域中具有至少一个拐点。具有正折光力的第四透镜元件具有凹面物侧表面和凸像侧表面。具有负屈光力的第五透镜元件具有在偏轴区域中具有至少一个凸起形状的凹面物侧表面和凹面像侧表面。

4. 发明授权

US09239410B2 Photographing system 有权
标题翻译：摄影系统
公开(公告)号：US09239410B2
公开(公告)日：2016-01-19
申请号：US14302410
申请日：2014-06-11
申请人： LARGAN PRECISION CO., LTD.
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 , G02B3/04 , 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 has positive refractive power. The second lens element has negative refractive power. The third lens element with positive refractive power has a convex object-side surface and a convex image-side surface. The fourth lens element with negative refractive power has a concave object-side surface. The object-side surface and an image-side surface of the fourth lens element are aspheric. The fifth lens element with refractive power has a concave image-side surface. An object-side surface and the image-side surface of the fifth lens element are aspheric, and the fifth lens element has at least one inflection point formed on the image-side 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拍摄系统。第一透镜元件具有正折光力。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具有凸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具有凹入的物体侧表面。第四透镜元件的物体侧表面和图像侧表面是非球面的。具有屈光力的第五透镜元件具有凹形图像侧表面。第五透镜元件的物体侧表面和像侧表面是非球面的，并且第五透镜元件具有形成在其图像侧表面上的至少一个拐点。

5. 发明授权

US08934178B2 Image capturing optical lens system 有权
标题翻译：图像采集光学透镜系统
公开(公告)号：US08934178B2
公开(公告)日：2015-01-13
申请号：US13709073
申请日：2012-12-10
申请人： Largan Precision Co., Ltd.
发明人： Hsiang-Chi Tang , Tsung-Han Tsai , Hsin-Hsuan Huang
IPC分类号： G02B13/18 , G02B9/62 , G02B13/00
CPC分类号： G02B13/0045 , G02B9/62 , G02B13/18 , G02B27/0025
摘要： An image capturing 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, and a sixth 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 has refractive power. The fourth lens element has refractive power, wherein at least one surface of the fourth lens element is aspheric. The fifth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the surfaces thereof are aspheric. The sixth lens element with refractive power has an image-side surface changing from concave at a paraxial region thereof to convex at a peripheral region thereof, and the surfaces thereof 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，第五透镜元件和第六透镜元件，从物体侧到像侧依次包括图像拍摄光学透镜系统。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。第三透镜元件具有屈光力。第四透镜元件具有屈光力，其中第四透镜元件的至少一个表面是非球面的。具有负屈光力的第五透镜元件具有凹入的物体侧表面和凸形的图像侧表面，并且其表面是非球面的。具有屈光力的第六透镜元件具有从其近轴区域的凹部到其周边区域的凸形的图像侧表面，并且其表面是非球面的。

6. 发明授权

US08830594B1 Imaging lens assembly 有权
标题翻译：成像镜头组件
公开(公告)号：US08830594B1
公开(公告)日：2014-09-09
申请号：US13854128
申请日：2013-03-31
申请人： Largan Precision Co., Ltd.
发明人： Po-Lun Hsu , Hsiang-Chi Tang , Tsung-Han Tsai , Hsin-Hsuan Huang
IPC分类号： G02B9/62 , G02B13/00
CPC分类号： G02B13/0045 , G02B9/62
摘要： An imaging 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element has positive refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein the surfaces thereof are aspheric. The sixth lens element with refractive power has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric, and the sixth lens element has at least one inflection point on at least one of the surfaces thereof.
摘要翻译：成像透镜组件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，第四透镜元件，第五透镜元件和第六透镜元件。具有正屈光力的第一透镜元件具有凸的物体侧表面。第二透镜元件具有屈光力。第三透镜元件具有正的折光力。具有负屈光力的第四透镜元件具有凹入的物体侧表面和凸形的图像侧表面。具有正折光力的第五透镜元件具有凸形物体侧表面，其中其表面是非球面的。具有屈光力的第六透镜元件具有凸形的物体侧表面和凹形的图像侧表面，其中其表面是非球面的，并且第六透镜元件在其至少一个表面上具有至少一个拐点。

7. 发明申请

US20140192422A1 OPTICAL IMAGE COLLECTING SYSTEM 有权
标题翻译：光学图像采集系统
公开(公告)号：US20140192422A1
公开(公告)日：2014-07-10
申请号：US13785350
申请日：2013-03-05
申请人： LARGAN PRECISION CO., LTD.
发明人： Hsiang-Chi Tang , Hsin-Hsuan Huang
IPC分类号： G02B13/18
CPC分类号： G02B13/18 , G02B9/62 , G02B13/0045
摘要： An optical image collecting 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 and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second through sixth lens elements all have refractive power. The fifth lens element has a concave object-side surface and a convex image-side surface, wherein at least one of the object-side surface and the image-side surface of the fifth lens element is aspheric. The sixth lens element has a concave image-side surface at a paraxial region, wherein the image-side surface of the sixth lens element changes from concave at the paraxial region to convex at a peripheral region, and both of an object-side surface and the image-side surface of the sixth lens element are aspheric.
摘要翻译：光学图像采集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，第四透镜元件，第五透镜元件和第六透镜元件。具有正折光力的第一透镜元件具有凸的物体侧表面。第二至第六透镜元件都具有屈光力。第五透镜元件具有凹入物侧表面和凸像侧表面，其中第五透镜元件的物体侧表面和像侧表面中的至少一个是非球面的。第六透镜元件在近轴区域具有凹形图像侧表面，其中第六透镜元件的像侧表面在近轴区域处的凹陷在外围区域处变为凸形，并且物体侧表面和第六透镜元件的图像侧表面是非球面的。

8. 发明授权

US11442256B2 Imaging optical lens assembly, imaging apparatus and electronic device 有权
公开(公告)号：US11442256B2
公开(公告)日：2022-09-13
申请号：US16522900
申请日：2019-07-26
申请人： LARGAN PRECISION CO., LTD.
发明人： Wei-Yu Chen , Hsiang-Chi Tang
IPC分类号： G02B13/18 , G02B13/04 , G03B9/06 , G02B13/00 , G03B9/07 , G02B9/04 , G02B5/00 , G02B9/02
摘要： An imaging optical lens assembly includes an aperture stop and a plurality of lens elements. The aperture stop has a fixed elliptical shape, and the aperture stop has a major axis and a minor axis.

9. 发明授权

US11373433B2 Optical fingerprint identification system and optical fingerprint identification device 有权
公开(公告)号：US11373433B2
公开(公告)日：2022-06-28
申请号：US17023241
申请日：2020-09-16
申请人： LARGAN PRECISION CO., LTD.
发明人： Hsiang-Chi Tang , Chun-Che Hsueh , Tsung-Han Tsai , Fuh-Shyang Yang
IPC分类号： G06V40/13
摘要： An optical fingerprint identification system includes a base, a photo sensor, a light emitting layer and a cover. The photo sensor is disposed on the base. The light emitting layer is disposed above the photo sensor, and the light emitting layer includes a light emitting element. The cover is disposed above the light emitting layer. The optical fingerprint identification system further includes a condenser unit and a light receiving element between the photo sensor and the cover. The condenser unit is disposed above the photo sensor. The light receiving element is disposed above the condenser unit. The light emitting element is disposed away from the photo sensor, the condenser unit and the light receiving element in a sideway direction that is different from a stack direction of the optical fingerprint identification system.

10. 发明授权

US11353777B2 Plastic lens barrel, imaging lens module and electronic device 有权
公开(公告)号：US11353777B2
公开(公告)日：2022-06-07
申请号：US16877544
申请日：2020-05-19
申请人： LARGAN PRECISION CO., LTD.
发明人： Cheng-Feng Lin , Lin-An Chang , Hsiang-Chi Tang
IPC分类号： G02B7/02 , G03B17/12
摘要： A plastic barrel, which surrounds a central axis, includes an object-side portion and a tubular portion. The object-side portion includes an object-side opening and a reverse inclined structure. The reverse inclined structure surrounds the object-side opening and includes a reverse inclined surface and at least one annular concave structure. The at least one annular concave structure is disposed on an object side of the reverse inclined surface and recessed from the object-side opening along a direction away from the central axis, wherein a sectional surface of the at least one annular concave structure passing through the central axis includes a valley point and two concave ends, and the two concave ends are disposed on an object side and an image side of the valley point, respectively. The tubular portion is connected to the object-side portion and extends to the image side.

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