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公开(公告)号：US12298595B2
公开(公告)日：2025-05-13
申请号：US16924496
申请日：2020-07-09
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Hsiang-Chi Tang , Lin-An Chang , Ming-Ta Chou
Abstract: An imaging lens assembly includes a plastic lens barrel, an optical lens element set and a light-absorbing layer. The plastic lens barrel includes a minimum opening. The optical lens element set includes a plurality of optical lens elements, wherein the optical lens elements includes a first optical lens element closest to an object side of the optical lens element set, and the first optical lens element includes an effective optical surface, a peripheral surface and an annular step structure. At least one portion of the light-absorbing layer is coated on the annular step structure, and at least another one portion of the light-absorbing layer is connected to the minimum opening of the plastic lens barrel. The light-absorbing layer is for retaining the first optical lens element on the plastic lens barrel.
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公开(公告)号：US12174451B2
公开(公告)日：2024-12-24
申请号：US18504213
申请日：2023-11-08
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Lin-An Chang , Ming-Ta Chou , Shu-Yun Yang , Cheng-Feng Lin
Abstract: An imaging lens assembly module includes an imaging lens element set, a lens carrier and a light blocking structure. The imaging lens element set has an optical axis. At least one lens element of the lens elements is disposed in the lens carrier. The light blocking structure includes a light blocking opening. The optical axis passes through the light blocking opening, and the light blocking opening includes at least two arc portions and a shrinking portion. Each of the arc portions has a first curvature radius for defining a maximum diameter of the light blocking opening. The shrinking portion is connected to the arc portions for forming the light blocking opening into a non-circular shape. The shrinking portion includes at least one protruding arc which extends and shrinks gradually from the shrinking portion to the optical axis, and the protruding arc has a second curvature radius.
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公开(公告)号：US11914217B2
公开(公告)日：2024-02-27
申请号：US16935362
申请日：2020-07-22
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Jyun-Jia Cheng , Lin-An Chang , Ming-Ta Chou , Cheng-Feng Lin
Abstract: An imaging lens assembly has an optical axis, and includes a plastic carrier element and an imaging lens element set. The plastic carrier element includes an object-side surface, an image-side surface, an outer surface and an inner surface. The object-side surface includes an object-side opening. The image-side surface includes an image-side opening. The inner surface is connected to the object-side opening and the image-side opening. The imaging lens element set is disposed in the plastic carrier element, and includes at least three lens elements, each of at least two adjacent lens elements of the lens elements includes a first axial assembling structure, the first axial assembling structures are corresponding to and connected to each other. A solid medium interval is maintained between the adjacent lens elements and the inner surface. The solid medium interval is directly contacted with the adjacent lens elements and the inner surface.
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公开(公告)号：US11693205B2
公开(公告)日：2023-07-04
申请号：US17498883
申请日：2021-10-12
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chun-Hua Tsai , Ming-Ta Chou , Lin-An Chang
IPC: G02B7/02
CPC classification number: G02B7/02
Abstract: A plastic lens barrel includes an object-side portion, an image-side portion and a tube-shaped portion. The object-side portion is located close to an object side of the plastic lens barrel. The object-side portion includes an object-side opening and an object-side annular surface. The object-side annular surface surrounds the object-side opening and faces toward the object side. The image-side portion is located close to an image side of the plastic lens barrel and includes an image-side opening. The tube-shaped portion surrounds an optical axis. The tube-shaped portion is connected between the object-side portion and the image-side portion, and configured to define an inner space. The object-side annular surface includes a groove structure area. The groove structure area includes a plurality of groove structures. The groove structures are disposed in at least one of an arranging manner and an extending manner along a sagittal direction away from the optical axis.
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公开(公告)号：US11156903B2
公开(公告)日：2021-10-26
申请号：US16851147
申请日：2020-04-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuan-Ming Chen , Hsiang-Chi Tang , Lin-An Chang , Cheng-Chen Lin , Ming-Ta Chou
Abstract: An imaging lens assembly module has an optical axis, and includes a lens barrel and an optical element set. The lens barrel includes an object-side portion, a tubular portion and a tip-end minimal aperture. The object-side portion includes a first assembling surface. The tubular portion includes a plurality of second assembling surfaces. The optical element set includes at least one light blocking sheet and at least one optical lens element. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The optical lens element includes an optical effective portion and a peripheral portion. The object-side portion of the lens barrel includes a first reversing inclined surface gradually enlarged from the tip-end minimal aperture to the image side of the lens barrel, and the first reversing inclined surface is not contacted with the optical element set.
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Patent Agency Ranking
公开(公告)号：US12265277B2
公开(公告)日：2025-04-01
申请号：US18164668
申请日：2023-02-06
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chien-Hsun Wu , Lin-An Chang , Ming-Ta Chou
Abstract: An imaging lens module has an optical axis, an object side and an image side. The imaging lens module includes a plastic barrel, an optical lens assembly, an image-side assembled element and a light blocking element assembly. The plastic barrel includes a first contacting surface, which is close to an image-side end of the plastic barrel. The image-side assembled element is disposed close to the image-side end of the plastic barrel. The image-side assembled element is in a tube shape and extends from the object side to the image side. The image-side assembled element includes a second contacting surface and an inner protruding portion, and the second contacting surface is disposed close to an object-side end of the image-side assembled element and correspondingly to the first contacting surface. The plastic barrel and the image-side assembled element contact each other via the first contacting surface and the second contacting surface.
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公开(公告)号：US12052486B2
公开(公告)日：2024-07-30
申请号：US17828068
申请日：2022-05-31
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Yu-Tai Tseng , Lin-An Chang , Ming-Ta Chou , Hsiang-Chi Tang
CPC classification number: H04N23/55 , G02B7/021 , H04M1/0264 , H04N23/54
Abstract: An electronic device includes a display screen, a first aperture region and a second aperture region. The display screen is disposed on a surface of the electronic device. The first aperture region is disposed on the surface of the electronic device, and a visible light is able to enter into an internal portion of the electronic device through the first aperture region. The second aperture region is disposed on the surface of the electronic device, and the visible light is able to enter into the internal portion of the electronic device through the second aperture region. The display screen is disposed between the first aperture region and the second aperture region and configured to be a spacing maintained therebetween, and a shape of the first aperture region and a shape of the second aperture region are non-circular and mirror-symmetrical to each other.
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公开(公告)号：US11886033B2
公开(公告)日：2024-01-30
申请号：US17934614
申请日：2022-09-23
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chien-Hsun Wu , Lin-An Chang , Ming-Ta Chou
Abstract: An imaging lens module includes a plastic lens barrel, a first optical element assembly and a second optical element assembly, wherein both of the first optical element assembly and the second optical element assembly are disposed in the plastic lens barrel. The plastic lens barrel includes a first inner annular surface and a second inner annular surface. The first inner annular surface forms a first receiving space. The second inner annular surface forms a second receiving space. The first optical element assembly is disposed in the first receiving space and includes a plurality of optical lens elements and a first retainer. The second optical element assembly is disposed in the second receiving space and includes a first light blocking sheet and a second retainer.
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公开(公告)号：US11815791B2
公开(公告)日：2023-11-14
申请号：US17487025
申请日：2021-09-28
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuan-Ming Chen , Hsiang-Chi Tang , Lin-An Chang , Cheng-Chen Lin , Ming-Ta Chou
CPC classification number: G03B17/12 , H04N23/55 , H04N23/687
Abstract: An imaging lens assembly module has an optical axis, and includes a lens barrel and an optical element set. The lens barrel includes an object-side portion, a tubular portion and a tip-end minimal aperture. The object-side portion includes a first assembling surface. The tubular portion includes a plurality of second assembling surfaces. The optical element set includes at least one light blocking sheet and at least one optical lens element. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The optical lens element includes an optical effective portion and a peripheral portion. The object-side portion of the lens barrel includes a first reversing inclined surface gradually enlarged from the tip-end minimal aperture to the image side of the lens barrel, and the first reversing inclined surface is not contacted with the optical element set.
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公开(公告)号：US11604325B2
公开(公告)日：2023-03-14
申请号：US16812507
申请日：2020-03-09
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chien-Hsun Wu , Lin-An Chang , Ming-Ta Chou
Abstract: An imaging lens module has an optical axis, an object side and an image side. The imaging lens module includes a plastic barrel, an optical lens assembly, an image-side assembled element and a light blocking element assembly. The plastic barrel includes a first contacting surface, which is close to an image-side end of the plastic barrel. The image-side assembled element is disposed close to the image-side end of the plastic barrel. The image-side assembled element is in a tube shape and extends from the object side to the image side. The image-side assembled element includes a second contacting surface and an inner protruding portion, and the second contacting surface is disposed close to an object-side end of the image-side assembled element and correspondingly to the first contacting surface. The plastic barrel and the image-side assembled element contact each other via the first contacting surface and the second contacting surface.
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