Patents by Inventor Ming-Ta Chou

Ming-Ta Chou 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).

  • Publication number: 20230341647
    Abstract: An imaging lens module includes a sensing part, a lens assembly, a lens holding member, an isolating article and a plastic molding article. The sensing part includes a substrate, a sensing chip and a plurality of conducting wires. The substrate supports the sensing chip. The sensing chip includes an optical effect area and an electrical connection area. The conducting wires are electrically connected to the electrical connection area for transmitting an image signal. The lens assembly corresponds to the optical effect area. The lens holding member holds the lens assembly. The lens holding member includes a wire correspondence structure corresponding to the conducting wires. The isolating article is between the wire correspondence structure and the conducting wires. The plastic molding article is molded on the sensing part. The plastic molding article physically contacts the lens holding member to fix the lens holding member with respect to the sensing part.
    Type: Application
    Filed: August 25, 2022
    Publication date: October 26, 2023
    Applicant: LARGAN INDUSTRIAL OPTICS CO., LTD.
    Inventors: Chih Cheng CHEN, Yu Chen LAI, Ming-Ta CHOU, Tzu Kan CHEN, Tsao-Pin CHEN
  • Patent number: 11796759
    Abstract: A camera module includes a metal yoke, a holder, a plastic barrel, a plurality of plastic lens elements and a plurality of metal conducting elements. The holder is connected to the metal yoke for forming an inner space. The plastic barrel is movably disposed in the inner space and includes at least one buffering part. The plastic lens elements are disposed in the plastic barrel. The metal conducting elements are at least one leaf spring and a wire element, wherein the metal conducting elements are connected to the plastic barrel. Before the at least one buffering part contacts a contacting part of the at least one leaf spring, there is a gap distance between the at least one buffering part and the contacting part of the at least one leaf spring.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: October 24, 2023
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Patent number: 11796756
    Abstract: A plastic barrel includes an object-end portion, an image-end portion, a tube portion and a plurality of wedge structures. The object-end portion includes an outer object-end surface, an object-end hole and an inner annular object-end surface. The image-end portion includes an outer image-end surface, an image-end opening and an inner annular image-end surface. The tube portion connects the object-end portion and the image-end portion, and includes a plurality of inclined surfaces. The wedge structures are disposed on at least one surface of the inner annular object-end surface, the inner annular image-end surface and the inclined surfaces, wherein the wedge structures are regularly arranged around the central axis, and each of the wedge structures includes an acute end and a tapered section. The tapered section connects the surface, which the wedge structure is disposed on, and the acute end.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: October 24, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Feng Lin, Ming-Ta Chou, Wei-Hung Weng
  • Publication number: 20230336860
    Abstract: 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: Application
    Filed: August 1, 2022
    Publication date: October 19, 2023
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Lin An CHANG, Te-Sheng TSENG, Ming-Ta CHOU
  • Publication number: 20230333291
    Abstract: A light blocking sheet having a central axis includes a central hole and a plurality of inner extended portions. The central axis passes through the central hole, which is enclosed by a hole inner surface. The hole inner surface has a first corresponding circle and a second corresponding circle, wherein a diameter of the first corresponding circle is greater than a diameter of the second corresponding circle. The inner extended portions are adjacent to and surround the central hole, wherein each of the inner extended portions is extended and tapered from the first corresponding circle towards the second corresponding circle and includes an inner surface, and the inner surface includes a line pair. The line pair includes two line sections, wherein one end of one line section thereof and one end of the other line section thereof are towards the second corresponding circle and approach to each other.
    Type: Application
    Filed: June 19, 2023
    Publication date: October 19, 2023
    Inventors: Ming-Ta CHOU, Ming-Shun CHANG, Chih-Wen HSU
  • Publication number: 20230324656
    Abstract: An imaging lens module includes an optical element holder being one-piece formed, a lens element and a light folding component corresponding to the lens element. Each of two side surfaces of the optical element holder has a light through hole, and light passes through the optical element holder via the light through holes. The optical element holder includes a lens element accommodation portion and a folding component accommodation portion respectively for the lens element and the light folding component to be disposed therein. The light folding component includes a light receive surface, a first reflection surface and a light exit surface. The light enters the light folding component from the light receive surface, the first reflection surface is configured to reflect the light coming from the light receive surface so as to redirect the light, and the light exits the light folding component from the light exit surface.
    Type: Application
    Filed: August 11, 2022
    Publication date: October 12, 2023
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Hua TSAI, Chen Wei FAN, Ming-Ta CHOU
  • Publication number: 20230324645
    Abstract: An imaging lens assembly includes a plurality of optical lens elements, a single-piece-formed light blocking sheet and a lens barrel. The lens barrel has a circular light-passing hole corresponding to the plurality of optical lens elements and the single-piece-formed light blocking sheet. The single-piece-formed light blocking sheet has a central aperture corresponding to the lens barrel and the plurality of optical lens elements. A maximum aperture diameter is defined by the central aperture. The single-piece-formed light blocking sheet comprises a plurality of light blocking structures surrounding and disposed adjacent to the central aperture. A minimum inner radius of the central aperture is defined near the center of each of the light blocking structures.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 12, 2023
    Inventors: Chih-Wen HSU, Hsiu-Yi HSIAO, Ming-Ta CHOU
  • Publication number: 20230324588
    Abstract: 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: Application
    Filed: March 17, 2023
    Publication date: October 12, 2023
    Inventors: Wen-Yu TSAI, Lin-An CHANG, Ming-Ta CHOU
  • Publication number: 20230305261
    Abstract: An imaging lens assembly includes a plurality of optical elements and a lens barrel. At least one optical element of the optical elements is a lens element. The lens element includes an optical effective portion, a peripheral portion, a light-blocking coating layer and a nanostructure layer. The light-blocking coating layer is disposed on at least one surface of the object-side peripheral surface and the image-side peripheral surface and includes a tapered portion. The tapered portion is tapered adjacent to a boundary between the optical effective portion and the peripheral portion. The nanostructure layer is disposed on the optical effective portion and the tapered portion of the light-blocking coating layer, and the nanostructure layer has a plurality of irregular ridge-shaped protrusions. The tapered portion of the light-blocking coating layer forms a light-passing opening adjacent to the boundary along a direction surrounding the optical axis.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 28, 2023
    Inventors: Heng-Yi SU, Ming-Ta CHOU, Wen-Yu TSAI, Jyun-Jia CHENG
  • Publication number: 20230300441
    Abstract: 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: Application
    Filed: May 30, 2023
    Publication date: September 21, 2023
    Inventors: Lin-An CHANG, Ming-Ta CHOU
  • Patent number: 11762166
    Abstract: A plastic lens barrel includes an object-end portion, an image-end portion and a tube portion. The object-end portion has an object-end outer surface, an object-end opening and an object-end inner surface, wherein one end of the object-end inner surface is connected to the object-end outer surface and surrounds the object-end opening. The image-end portion has an image-end outer surface and an image-end opening. The tube portion connected object-end portion and the image-end portion, and includes a plurality of tube inner surfaces. At least one of the tube inner surfaces and the object-end inner surface includes a plurality of annular convex structures. Each of the annular convex structures surrounds a central axis of the plastic lens barrel. A cross-sectional plane of each annular convex structure passing through the central axis includes a peak point and two valley point.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Shun Chang, Ming-Ta Chou, Wei-Hung Weng
  • Patent number: 11762132
    Abstract: An imaging lens assembly module has an optical axis, and includes at least one plastic lens element, a carrier element and a light absorbing layer. The plastic lens element, in order from a center to a peripheral region thereof, includes an optical effective portion and a peripheral portion. A side of the peripheral portion includes a plurality of step structures interposed between the side of the peripheral portion and a same side of the optical effective portion. The carrier element defines an inner space for disposing the plastic lens element, and includes a tip end minimal opening and a plurality of annular inner walls. The light absorbing layer is disposed on the peripheral portion of the plastic lens element, and the step structures and the at least one of the annular inner walls facing towards the plastic lens element.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin, Po-Lun Hsu, Ming-Shun Chang, Ming-Ching Lin
  • Publication number: 20230288667
    Abstract: A photographing optical lens assembly includes five lens elements with refractive power, in order from an object side to an image side. The first lens element with refractive power has a convex object-side surface. The second lens element with positive refractive power has an object-side surface and an image-side surface both being aspheric. The third lens element has positive refractive power. The fourth lens element with refractive power has a concave object-side surface. The fifth lens element with refractive power has an object-side surface and a concave image-side surface with at least one inflection point, both the object-side surface and the image-side surface being aspheric.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 14, 2023
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Hsiang-Chi TANG, Ming-Ta CHOU
  • Publication number: 20230283899
    Abstract: An optical image stabilization driver device includes an image sensor, a fixed carrier, a circuit element, an elastic element and a driving element. The circuit element includes a fixed part disposed on the fixed carrier, a movable part and an electrical transmission part. The image sensor is disposed on the movable part. The electrical transmission part has conductive routes electrically connected to the movable part and the fixed part. The elastic element includes a first frame part corresponding to the fixed part, a second frame part corresponding to the movable part and an elastic connection part connected to the first frame part and the second frame part and providing the image sensor with a freedom of movement in a plane. The driving element is configured to drive the image sensor to move relative the fixed carrier in the plane.
    Type: Application
    Filed: August 3, 2022
    Publication date: September 7, 2023
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chen-Yi HUANG, Lin An CHANG, Ming-Ta CHOU
  • Publication number: 20230273351
    Abstract: An imaging lens assembly includes a dual molded optical element, a plurality of imaging lens elements and a light blocking element. The dual molded optical element has an object-side surface and an image-side surface and includes a light transmitting portion and a light absorbing portion. The light transmitting portion includes an optical effective section. The light absorbing portion is located on at least one of the object-side surface and the image-side surface of the dual molded optical element, and a plastic material of the light absorbing portion and a plastic material of the light transmitting portion are different colors. The imaging lens elements are disposed in the inner space of the imaging lens assembly. The light blocking element is disposed adjacent to the light transmitting portion of the dual molded optical element.
    Type: Application
    Filed: May 9, 2023
    Publication date: August 31, 2023
    Inventor: Ming-Ta CHOU
  • Publication number: 20230262309
    Abstract: An optical lens assembly includes at least one dual molded lens element. The dual molded lens element has a central axis, and includes a light transmitting portion and a light absorbing portion. The light transmitting portion includes an optical effective region and a lens peripheral region, and the lens peripheral region surrounds the optical effective region. A light absorbing portion surrounds the optical effective region. The light transmitting portion and the light absorbing portion are made of different plastic materials with different colors, and the light absorbing portion includes at least three gate portions surrounding the central axis, wherein all gate portions are located on the same surface of the dual molded lens element. The light transmitting portion and the light absorbing portion of the dual molded lens element are integrally formed by the injection molding.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Inventors: Ming-Shun CHANG, Ming-Ta CHOU, Chun-Hua TSAI
  • Patent number: 11726291
    Abstract: An imaging lens assembly includes a plastic barrel and a lens set, and the lens set is disposed in the plastic barrel. The plastic barrel includes an object-side outer surface, a first inner surface and a second inner surface. The lens set has an optical axis, and includes, in order from an object side to an image side thereof, at least one plastic lens element and a spacer. A light-absorbing coating is disposed on the plastic lens element. The spacer includes an object-side connecting surface and a relative surface. When the object-side connecting surface is connected with a neighboring object-side optical element, the relative surface is out of touch with the neighboring object-side optical element. There is an overlap between the second inner surface and the relative surface along a direction parallel to the optical axis.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: August 15, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Feng Lin, Ming-Ta Chou
  • Patent number: 11726290
    Abstract: An imaging lens system has an optical axis and an image surface through which the optical axis passes. The imaging lens system includes a plastic lens barrel surrounding the optical axis. The plastic lens barrel includes an image-side portion and an object-side aperture through which the optical axis passes, and the image-side portion is located between the image surface and the object-side aperture. The image-side portion includes a protrusive structure surrounding the optical axis and extending towards the image surface. The protrusive structure has an inner surface facing the optical axis, an outer surface disposed opposite to the inner surface and located farther away from the optical axis than the inner surface and a reflection-reducing surface extending towards the image surface and connected to and located between the inner surface and the outer surface. The protrusive structure includes a reflection-reducing structure disposed on the reflection-reducing surface.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 15, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Yu Chen Lai, Ming-Ta Chou, Cheng-Feng Lin
  • Publication number: 20230251499
    Abstract: 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.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 10, 2023
    Inventors: Hsiang-Chi TANG, Cheng-Chen LIN, Ming-Ta CHOU
  • Patent number: 11719863
    Abstract: A light blocking sheet having a central axis includes a central hole and a plurality of inner extended portions. The central axis passes through the central hole, which is enclosed by a hole inner surface. The hole inner surface has a first corresponding circle and a second corresponding circle, wherein a diameter of the first corresponding circle is greater than a diameter of the second corresponding circle. The inner extended portions are adjacent to and surround the central hole, wherein each of the inner extended portions is extended and tapered from the first corresponding circle towards the second corresponding circle and includes an inner surface, and the inner surface includes a line pair. The line pair includes two line sections, wherein one end of one line section thereof and one end of the other line section thereof are towards the second corresponding circle and approach to each other.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: August 8, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Ming-Shun Chang, Chih-Wen Hsu