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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Patent number: 11336828Abstract: A reflection module capable of image stabilization includes a reflecting element, a rotatable holder, a fixed base, a spherical supporting structure, an auxiliary supporting structure and an image stabilizing actuator. The reflecting element having a reflecting surface for folding optical path of incident light is disposed on the rotatable holder. The fixed base is connected to the rotatable holder via an elastic element. The spherical supporting structure is disposed between the rotatable holder and the fixed base. The auxiliary supporting structure disposed on at least one of the rotatable holder and the fixed base and corresponds to the spherical supporting structure. At least part of the image stabilizing actuator is disposed on the rotatable holder for driving the rotatable holder to rotate by taking the spherical supporting structure as rotation center. The spherical supporting structure is a ball having at least three contact points with the auxiliary supporting structure.Type: GrantFiled: September 30, 2020Date of Patent: May 17, 2022Assignee: LARGAN DIGITAL CO., LTD.Inventors: Lin An Chang, Hao Jan Chen, Ming-Ta Chou, Chen-Yi Huang
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Publication number: 20220132008Abstract: 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: January 7, 2022Publication date: April 28, 2022Inventors: Lin-An CHANG, Ming-Ta CHOU
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Publication number: 20220082786Abstract: A camera module includes a base, a lens module, a reflection module, a longitudinal guiding bar, a transverse guiding bar and a shaft guiding bar. The lens module has an optical axis and is disposed on the base. The reflection module includes a reflective element disposed on the base and located on an object side of the lens module. The longitudinal and transverse guiding bars are disposed between the base and the lens module and respectively extend in a first direction parallel to the optical axis and a second direction perpendicular to the optical axis. The shaft guiding bar is disposed between the base and the reflection module and extends in the second direction. The lens module is movable along the longitudinal and transverse guiding bars, respectively, and the reflective element is rotatable by taking the shaft guiding bar as a rotation axis.Type: ApplicationFiled: October 21, 2020Publication date: March 17, 2022Applicant: LARGAN DIGITAL CO.,LTD.Inventors: Lin An CHANG, Ming-Ta CHOU, Wen-Hung HSU, Te-Sheng TSENG
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Publication number: 20220057594Abstract: An imaging lens module includes an imaging lens assembly, an image sensor and a plastic lens barrel. The image sensor is disposed on an image side of the imaging lens assembly and has an image sensing surface through which an optical axis of the imaging lens assembly passes. The plastic lens barrel includes an object-end portion, a bottom portion, a first inner hole portion and a second inner hole portion. An object-end surface of the object-end portion faces towards an object side direction of the imaging lens assembly. A tapered surface of the object-end portion is tapered off towards the object-end surface. The bottom portion is located on an image side of the object-end portion. The imaging lens assembly is disposed in the first inner hole portion. The second inner hole portion located on an image side of the first inner hole portion and includes an optical aligning structure.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Lin An CHANG, Ming-Ta CHOU, Chun-Hua TSAI
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Publication number: 20220050358Abstract: A driving device has a central axis and includes a cover, a base, at least one displaceable holder and at least one translational auxiliary member. The cover surrounds the central axis and is fixed to the base for forming a containing space. The displaceable holder is disposed in the containing space and includes at least one horizontal rolling member. The horizontal rolling member is provided that renders the displaceable holder displaceable relatively to the cover and the base along at least one direction perpendicular to the central axis. The translational auxiliary member abuts against the cover and the displaceable holder. The translational auxiliary member and the horizontal rolling member are disposed on two opposite sides along the central axis, respectively.Type: ApplicationFiled: June 4, 2021Publication date: February 17, 2022Inventors: Lin-An CHANG, Ming-Ta CHOU, Chen-Yi HUANG, Ming-Shun CHANG
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Publication number: 20220046154Abstract: A driving module includes a base, a first shiftable plate, a second shiftable plate and a carrier. A plurality of first rolling members are disposed between the first shiftable plate and the carrier, so that the first shiftable plate is movable relative to the base along a first direction. A plurality of second rolling members are disposed between the second shiftable plate and the first shiftable plate, so that the second shiftable plate is movable relative to the first shiftable plate along a second direction, and the second direction is orthogonal to the first direction. A plurality of third rolling members are disposed between the carrier and the second shiftable plate, so that the carrier is movable relative to the second shiftable plate along a third direction, and the third direction is orthogonal to the first direction and the second direction.Type: ApplicationFiled: July 28, 2021Publication date: February 10, 2022Inventors: Lin-An CHANG, Ming-Ta CHOU, Chen-Yi HUANG
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Publication number: 20220030168Abstract: A reflection module capable of image stabilization includes a reflecting element, a rotatable holder, a fixed base, a spherical supporting structure, an auxiliary supporting structure and an image stabilizing actuator. The reflecting element having a reflecting surface for folding optical path of incident light is disposed on the rotatable holder. The fixed base is connected to the rotatable holder via an elastic element. The spherical supporting structure is disposed between the rotatable holder and the fixed base. The auxiliary supporting structure disposed on at least one of the rotatable holder and the fixed base and corresponds to the spherical supporting structure. At least part of the image stabilizing actuator is disposed on the rotatable holder for driving the rotatable holder to rotate by taking the spherical supporting structure as rotation center. The spherical supporting structure is a ball having at least three contact points with the auxiliary supporting structure.Type: ApplicationFiled: September 30, 2020Publication date: January 27, 2022Applicant: LARGAN DIGITAL CO.,LTD.Inventors: Lin An CHANG, Hao Jan CHEN, Ming-Ta CHOU, Chen-Yi HUANG
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Publication number: 20220026662Abstract: 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.Type: ApplicationFiled: October 12, 2021Publication date: January 27, 2022Inventors: Chun-Hua TSAI, Ming-Ta CHOU, Lin-An CHANG
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Publication number: 20220011651Abstract: 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: September 28, 2021Publication date: January 13, 2022Inventors: Kuan-Ming CHEN, Hsiang-Chi TANG, Lin-An CHANG, Cheng-Chen LIN, Ming-Ta CHOU
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Publication number: 20220011537Abstract: A camera module includes an imaging lens module, an axial driving device and an image sensor module. The imaging lens module includes at least one optical imaging lens element. The axial driving device is configured to drive the optical imaging lens element to move in a direction parallel to an optical axis. The image sensor module is disposed on an image side of the axial driving device and includes an image sensor and a substrate. The image sensor is configured to convert light passing through the imaging lens module into an image signal. The axial driving device includes a base, and the base has a first axial assembling structure. The substrate has a second axial assembling structure abutted against the first axial assembling structure, so that the imaging lens module is aligned with the image sensor module in a direction along the optical axis.Type: ApplicationFiled: August 24, 2020Publication date: January 13, 2022Applicant: LARGAN DIGITAL CO.,LTD.Inventors: Lin An CHANG, Ming-Ta CHOU
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Patent number: 11199677Abstract: An imaging lens module includes an imaging lens assembly, an image sensor and a plastic lens barrel. The image sensor is disposed on an image side of the imaging lens assembly and has an image sensing surface through which an optical axis of the imaging lens assembly passes. The plastic lens barrel includes an object-end portion, a bottom portion, a first inner hole portion and a second inner hole portion. An object-end surface of the object-end portion faces towards an object side direction of the imaging lens assembly. A tapered surface of the object-end portion is tapered off towards the object-end surface. The bottom portion is located on an image side of the object-end portion. The imaging lens assembly is disposed in the first inner hole portion. The second inner hole portion located on an image side of the first inner hole portion and includes an optical aligning structure.Type: GrantFiled: April 20, 2020Date of Patent: December 14, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Lin An Chang, Ming-Ta Chou, Chun-Hua Tsai
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Publication number: 20210364725Abstract: 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: March 17, 2021Publication date: November 25, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU, Shu-Yun YANG, Cheng-Feng LIN, Hsiang-Chi TANG
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Publication number: 20210364452Abstract: 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: ApplicationFiled: September 14, 2020Publication date: November 25, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU, Cheng-Feng LIN, Liang-Chieh WENG, Ming-Shun CHANG
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Publication number: 20210364731Abstract: 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: February 23, 2021Publication date: November 25, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU, Shu-Yun YANG, Cheng-Feng LIN
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Patent number: 11169352Abstract: 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.Type: GrantFiled: May 6, 2020Date of Patent: November 9, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Hua Tsai, Ming-Ta Chou, Lin-An Chang
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Publication number: 20210333518Abstract: An imaging lens element assembly includes a dual molded lens element. The dual molded lens element includes a transparent portion, a light absorbing portion and a step structure. The transparent portion, in order from a center to a peripheral region, includes an optical effective area and a transparent peripheral area, wherein an optical axis of the imaging lens element assembly passes through the optical effective area, and the transparent peripheral area surrounds the optical effective area. The light absorbing portion surrounds the optical effective area and is disposed on an object side of the transparent peripheral area and includes an object-end surface and an outer inclined surface. The object-end surface faces towards an object side of the light absorbing portion, and the outer inclined surface extends from the object-end surface to an image side of the light absorbing portion and is gradually far away from the optical axis.Type: ApplicationFiled: March 5, 2021Publication date: October 28, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU, Cheng-Feng LIN, Ming-Shun CHANG
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Patent number: 11156903Abstract: 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: April 17, 2020Date of Patent: October 26, 2021Assignee: 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: 20210266433Abstract: 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: November 13, 2020Publication date: August 26, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU
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Publication number: 20210263257Abstract: An imaging lens module includes an imaging lens assembly, an image sensor and a plastic lens barrel. The image sensor is disposed on an image side of the imaging lens assembly and has an image sensing surface through which an optical axis of the imaging lens assembly passes. The plastic lens barrel includes an object-end portion, a bottom portion, a first inner hole portion and a second inner hole portion. An object-end surface of the object-end portion faces towards an object side direction of the imaging lens assembly. A tapered surface of the object-end portion is tapered off towards the object-end surface. The bottom portion is located on an image side of the object-end portion. The imaging lens assembly is disposed in the first inner hole portion. The second inner hole portion located on an image side of the first inner hole portion and includes an optical aligning structure.Type: ApplicationFiled: April 20, 2020Publication date: August 26, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Lin An CHANG, Ming-Ta CHOU, Chun-Hua TSAI
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Publication number: 20210266432Abstract: 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: September 18, 2020Publication date: August 26, 2021Inventors: Lin-An CHANG, Ming-Ta CHOU