Patents by Inventor Lin An
Lin An has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240069305Abstract: 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.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Inventors: Lin-An CHANG, Ming-Ta CHOU, Shu-Yun YANG, Cheng-Feng LIN
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Publication number: 20240069416Abstract: A light path folding element includes a first surface, a second surface, a first reflecting surface and a second reflecting surface. A light travels from the first surface into the light path folding element. The second surface is disposed relative to the first surface along a first direction and is parallel to the first surface, and the first direction is perpendicular to the first surface. The first reflecting surface connects the first surface and the second surface, an acute angle is formed between the first reflecting surface and the first surface, and the light forms an internal reflection via the first reflecting surface. The light forms another internal reflection via the second reflecting surface. The light path folding element further includes a light blocking structure, which extends from at least one of the first surface and the second surface into the light path folding element.Type: ApplicationFiled: August 24, 2023Publication date: February 29, 2024Inventors: Ssu-Hsin LIU, Wei-Che TUNG, Lin-An CHANG, Ming-Ta CHOU
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Patent number: 11914217Abstract: 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.Type: GrantFiled: July 22, 2020Date of Patent: February 27, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Lin-An Chang, Ming-Ta Chou, Cheng-Feng Lin
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Publication number: 20240048845Abstract: A shiftable image sensor module includes an image sensor and a shiftable circuit element. The shiftable circuit element includes a movable portion, a fixed portion, an elastic connecting portion and a conducting wire portion. The image sensor is disposed on the movable portion. The fixed portion is disposed around the movable portion. The elastic connecting portion is connected to the movable portion and the fixed portion. The conducting wire portion includes a plurality of conducting wire units, and each of the conducting wire units is electrically connected from the fixed portion to the image sensor. Each of the conducting wire units includes at least one conductor line, and the conductor line includes an air insulation layer located on an outer surface of the conductor line.Type: ApplicationFiled: July 28, 2023Publication date: February 8, 2024Inventors: Lin-An CHANG, Wen-Yu TSAI, Jyun-Jia CHENG, Ming-Ta CHOU
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Publication number: 20240036287Abstract: An imaging lens system has an optical axis and includes a plastic lens barrel and an imaging lens assembly disposed in the plastic lens barrel. The plastic lens barrel surrounds the optical axis and includes an object-side surface, an image-side surface, an inner annular portion and an outer annular portion. The object-side and image-side surfaces are oppositely disposed and substantially perpendicular to the optical axis. The inner and outer annular portions are connected to the object-side and image-side surfaces. The inner annular portion has an inner parallel annular surface, and the outer annular portion has a first outer annular surface and a gate trace. The imaging lens assembly includes a plurality of imaging lens elements. One of the imaging lens elements has an outer diameter larger than ?2 millimeters. The one of the imaging lens elements has an outer edge in physical contact with the inner parallel annular surface.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Lin An CHANG, Ming-Ta CHOU
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Patent number: 11886033Abstract: 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.Type: GrantFiled: September 23, 2022Date of Patent: January 30, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Chien-Hsun Wu, Lin-An Chang, Ming-Ta Chou
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Publication number: 20240027880Abstract: 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.Type: ApplicationFiled: October 3, 2023Publication date: January 25, 2024Inventors: Kuan-Ming CHEN, Hsiang-Chi TANG, Lin-An CHANG, Cheng-Chen LIN, Ming-Ta CHOU
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Patent number: 11874585Abstract: An image capturing unit includes an imaging element and a dual-shot injection-molded optical folding element that are adjacent to each other. The imaging element is configured for an imaging light to pass through. The dual-shot injection-molded optical folding element includes a first part and a second part. The first part is made of transparent material. The first part has a reflective surface configured to reflect the imaging light. The second part is made of opaque material, and the second part is fixed at periphery of the first part. The second part includes a supporting portion configured to support the dual-shot injection-molded optical folding element. The supporting portion maintains the dual-shot injection-molded optical folding element at a predetermined position corresponding to the imaging element through mechanism assembly.Type: GrantFiled: February 20, 2023Date of Patent: January 16, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Lin An Chang, Pei-Chi Chang, Ming-Ta Chou
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Patent number: 11867887Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.Type: GrantFiled: June 25, 2021Date of Patent: January 9, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Min-Chun Liao, Lin An Chang, Ming-Ta Chou, Jyun-Jia Cheng, Cheng-Feng Lin, Ming-Shun Chang
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Publication number: 20240007748Abstract: A shiftable image sensor module includes an image sensor, an inner frame portion, an outer frame portion, an elastic connecting portion and a conductive wire portion. Each of the inner frame portion and the outer frame portion has a plurality of electrical connecting terminals, and the image sensor is disposed on the inner frame portion. The outer frame portion is disposed around the inner frame portion. The elastic connecting portion is connected to the outer frame portion and the inner frame portion. The conductive wire portion is composed of a plurality of conductive wire units. Each of the conductive wire units has two ends, the ends of each of the conductive wire units are electrically connected to each of the electrical connecting terminals of the outer frame portion and the inner frame portion, respectively, and the conductive wire units of the conductive wire portion are not physically contacted.Type: ApplicationFiled: June 20, 2023Publication date: January 4, 2024Inventors: Te-Sheng TSENG, Lin-An CHANG
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Patent number: 11852595Abstract: A plastic lens element includes an optical effective portion and a peripheral portion. The peripheral portion surrounds the optical effective portion and includes a peripheral surface and an optical inspecting structure. The optical inspecting structure is disposed between the optical effective portion and the peripheral surface and includes a first optical inspecting surface and a second optical inspecting surface. The first optical inspecting surface and the second optical inspecting surface are disposed on two sides of the peripheral portion respectively and correspond to each other.Type: GrantFiled: September 14, 2020Date of Patent: December 26, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Lin-An Chang, Ming-Ta Chou, Cheng-Feng Lin, Liang-Chieh Weng, Ming-Shun Chang
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Publication number: 20230408787Abstract: An imaging lens assembly includes a first plastic lens element and a second plastic lens element arranged along an optical axis. The first plastic lens element includes, in order from a paraxial region to a peripheral region, a first optically effective portion, a first size reduction portion and a first peripheral portion. An object-side surface and an image-side surface of the first size reduction portion each has a roughened surface. The first peripheral portion is to be in physical contact and assembled with adjacent components. The second plastic lens element includes, in order from a paraxial region to a peripheral region, a second optically effective portion, a second size reduction portion and a second peripheral portion. An object-side surface and an image-side surface of the second size reduction portion each has a roughened surface. The second peripheral portion is to be in physical contact and assembled with adjacent components.Type: ApplicationFiled: August 12, 2022Publication date: December 21, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Lin An CHANG, Chin Li HSIEH, Chun-Hua TSAI
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Patent number: 11846826Abstract: 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.Type: GrantFiled: February 23, 2021Date of Patent: December 19, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Lin-An Chang, Ming-Ta Chou, Shu-Yun Yang, Cheng-Feng Lin
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Patent number: 11815731Abstract: An imaging lens system has an optical axis and includes a plastic lens barrel and an imaging lens assembly disposed in the plastic lens barrel. The plastic lens barrel surrounds the optical axis and includes an object-side surface, an image-side surface, an inner annular portion and an outer annular portion. The object-side and image-side surfaces are oppositely disposed and substantially perpendicular to the optical axis. The inner and outer annular portions are connected to the object-side and image-side surfaces. The inner annular portion has an inner parallel annular surface, and the outer annular portion has a first outer annular surface and a gate trace. The imaging lens assembly includes a plurality of imaging lens elements. One of the imaging lens elements has an outer diameter larger than ?2 millimeters. The one of the imaging lens elements has an outer edge in physical contact with the inner parallel annular surface.Type: GrantFiled: April 2, 2020Date of Patent: November 14, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Lin An Chang, Ming-Ta Chou
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Patent number: 11815791Abstract: 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.Type: GrantFiled: September 28, 2021Date of Patent: November 14, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ming Chen, Hsiang-Chi Tang, Lin-An Chang, Cheng-Chen Lin, Ming-Ta Chou
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Publication number: 20230336860Abstract: A camera module includes a fixed base, a carrier, an elastic element, an imaging lens, a coil, a magnetic element, a connection wire and a light-blocking coating. The carrier is disposed opposite to the fixed base and has a bobbin. The elastic element is connected to the fixed base and the carrier so as to provide freedom of movement of the carrier with respect to the fixed base. The imaging lens is disposed on the carrier and has an optical axis. The coil is disposed on the carrier. The magnetic element is disposed corresponding to the coil so as to provide a driving force for moving the carrier. The connection wire is disposed on the bobbin and electrically connected to the elastic element and the coil, and the connection wire has at least part facing towards the optical axis where the light-blocking coating is disposed.Type: ApplicationFiled: August 1, 2022Publication date: October 19, 2023Applicant: LARGAN DIGITAL CO.,LTD.Inventors: Lin An CHANG, Te-Sheng TSENG, Ming-Ta CHOU
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Publication number: 20230324588Abstract: A metal light blocking element includes an outer diameter surface, a first annular surface, a second annular surface and an anti-reflecting layer. The outer diameter surface surrounds the metal light blocking element. The first annular surface is disposed opposite to the outer diameter surface, and the first annular surface is closer to a central axis than the outer diameter surface to the central axis. The second annular surface is disposed opposite to the outer diameter surface, the second annular surface is closer to the central axis than the outer diameter surface to the central axis, and the first annular surface is connected to the second annular surface to form a minimum opening structure. The anti-reflecting layer is disposed on the first annular surface and the second annular surface, and includes a light absorbing layer and a nanostructure layer. The nanostructure layer is disposed on the light absorbing layer.Type: ApplicationFiled: March 17, 2023Publication date: October 12, 2023Inventors: Wen-Yu TSAI, Lin-An CHANG, Ming-Ta CHOU
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Patent number: 11774830Abstract: 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.Type: GrantFiled: February 25, 2022Date of Patent: October 3, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Cheng-Feng Lin, Lin-An Chang, Hsiang-Chi Tang
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Publication number: 20230296863Abstract: A lens element includes an optical effective portion, a peripheral portion and protruding structures. The optical effective portion includes a first optical surface and a second optical surface, wherein the second optical surface and the first optical surface are disposed relative to each other. The peripheral portion includes a first peripheral surface, a second peripheral surface and an outer annular surface. The first peripheral surface and the first optical surface face towards the same side. The second peripheral surface and the second optical surface face towards the same side. The outer annular surface is connected to the first peripheral surface and the second peripheral surface. The protruding structures are disposed on the first peripheral surface, the protruding structures extend along a spiral path and are disposed at intervals, and the spiral path surrounds the optical effective portion.Type: ApplicationFiled: January 13, 2023Publication date: September 21, 2023Inventors: Chun-Hua TSAI, Lin-An CHANG
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Publication number: 20230300441Abstract: A camera module includes an imaging lens assembly, an image sensor, a first reflecting member and a first driving apparatus. The imaging lens assembly is for converging an imaging light on an image surface. The image sensor is disposed on the image surface. The first reflecting member is located on an image side of the imaging lens assembly, the first reflecting member is for folding the imaging light, and has a first translational degrees of freedom. The first reflecting member is assembled on the first driving apparatus, and the first driving apparatus is for driving the first reflecting member moving along the first translational degrees of freedom.Type: ApplicationFiled: May 30, 2023Publication date: September 21, 2023Inventors: Lin-An CHANG, Ming-Ta CHOU