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公开(公告)号：US10241305B2
公开(公告)日：2019-03-26
申请号：US15682654
申请日：2017-08-22
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Wei-Yu Chen
Abstract: A image capturing lens assembly includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex thereof; a second lens element having negative refractive power; a third lens element; a fourth lens element; a fifth lens element with positive refractive power having an object-side surface being convex and an image-side surface being convex thereof; and a sixth lens element having an image-side surface being concave in a paraxial region thereof, the image-side surface having at least one convex critical point in an off-axial region thereof, and an object-side surface and the image-side surface being aspheric.
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公开(公告)号：US10241303B2
公开(公告)日：2019-03-26
申请号：US15632510
申请日：2017-06-26
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wei-Yu Chen
Abstract: An optical 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has refractive power. The third lens element has refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being convex in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are both aspheric. The sixth lens element with refractive power has an object-side surface and an image-side surface being both aspheric. The optical photographing lens assembly has a total of six lens elements with refractive power.
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公开(公告)号：US20180372999A1
公开(公告)日：2018-12-27
申请号：US16051770
申请日：2018-08-01
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tung-Yi Hsieh , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/60 , G02B13/06
Abstract: 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 negative refractive power has a concave image-side surface. The third lens element has a convex image-side surface. The fourth lens element has positive refractive power. The fifth lens element has a concave object-side surface. The image capturing optical lens assembly has a total of five lens elements.
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公开(公告)号：US20180364453A9
公开(公告)日：2018-12-20
申请号：US15080680
申请日：2016-03-25
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Dung-Yi Hsieh , Chun-Che Hsueh , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/60 , G02B13/0015 , G02B27/0025 , H04N5/2254
Abstract: An imaging optical 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 refractive power has an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region and having a convex shape in an off-axial region thereof.
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公开(公告)号：US10082646B2
公开(公告)日：2018-09-25
申请号：US15484532
申请日：2017-04-11
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Che Hsueh , Yu-Tai Tseng , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B7/08 , G02B9/62 , G02B27/0025 , G02B27/646 , G02B2027/0138
Abstract: A photographing optical lens system includes six lens elements, which are, 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 has positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an image-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. The fifth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof.
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Patent Agency Ranking
公开(公告)号：US20180259747A1
公开(公告)日：2018-09-13
申请号：US15974005
申请日：2018-05-08
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Cheng-Chen Lin , Chun-Yen Chen , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B5/208 , G02B9/62
Abstract: An imaging optical lens system includes six lens elements, the six lens elements being, 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 has positive refractive power. The third lens element has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one convex critical point in an off-axial region thereof.
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公开(公告)号：US10007086B2
公开(公告)日：2018-06-26
申请号：US15045344
申请日：2016-02-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Tung-Yi Hsieh , Hsuan-Chin Huang , Wei-Yu Chen
CPC classification number: G02B9/64 , G02B13/0045 , G02B13/04 , G02B27/0025 , G02B27/0081
Abstract: An image capturing optical lens assembly includes, in order from an object side to an image side, a front lens group, an aperture stop and a rear lens group. The front lens group includes at least two lens elements, wherein one lens element closest to an imaged object of the at least two lens elements has negative refractive power and an image-side surface being concave. The rear lens group includes at least four lens elements, wherein one lens element closest to an image surface of the at least four lens elements has an image-side surface being concave. The image capturing optical lens assembly has a total of eight lens elements.
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公开(公告)号：US20180052304A1
公开(公告)日：2018-02-22
申请号：US15376931
申请日：2016-12-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chien-Hsun Wu , Hsiang Chi Tang , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/62 , H04N5/2353
Abstract: The present disclosure provides an imaging lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof; a third lens element; a fourth lens element; a fifth lens element having an object-side surface being concave in a paraxial region thereof, both of the object-side surface and an image-side surface thereof being aspheric; and a sixth lens element having an object-side surface and an image-side surface being both aspheric. The imaging lens assembly has a total of six lens elements.
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公开(公告)号：US20180045913A1
公开(公告)日：2018-02-15
申请号：US15366124
申请日：2016-12-01
Applicant: LARGAN PRECISION CO., LTD.
Inventor： CHUN-CHE HSUEH , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B5/005 , G02B5/208 , G02B9/62 , G02B27/0025 , G02B2027/0138
Abstract: The present disclosure provides an image lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element; a third lens element having an object-side surface being convex in a paraxial region thereof; a fourth lens element; a fifth lens element with an image-side surface having at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric; and a sixth lens element having an image-side surface being concave in a paraxial region thereof and at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric.
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公开(公告)号：US20170315334A1
公开(公告)日：2017-11-02
申请号：US15226057
申请日：2016-08-02
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Lin-Yao Liao , Chun-Che Hsueh , Chien-Shun Wu , Wei-Yu Chen
CPC classification number: G02B13/0045 , G02B9/62 , G02B27/0025
Abstract: An optical image 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 an object-side surface being convex in a paraxial region thereof. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has negative refractive power. The fifth lens element with negative refractive power has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an object-side surface and an image-side surface being both aspheric.
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