Patents by Inventor Te-Sheng Tseng

Te-Sheng Tseng 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).

  • Patent number: 12339578
    Abstract: A variable aperture module includes a blade assembly, a positioning element, a driving part and pressing structures. The blade assembly includes movable blades disposed around an optical axis to form a light passable hole with an adjustable size. Each movable blade has a positioning hole and a movement hole adjacent thereto. The positioning element includes positioning structures disposed respectively corresponding to the positioning holes. The driving part includes a rotation element disposed corresponding to the movement holes and is rotatable with respect to the positioning element. The pressing structures are disposed respectively corresponding to the movable blades. Each pressing structure is at least disposed into at least one of the positioning hole and the movement hole of the corresponding movable blade. Each pressing structure at least presses against at least one of the corresponding one positioning structure and the rotation element.
    Type: Grant
    Filed: May 16, 2024
    Date of Patent: June 24, 2025
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chia-Cheng Tsai, Hsiu-Yi Hsiao, Ming-Ta Chou, Te-Sheng Tseng
  • Patent number: 12339515
    Abstract: A camera driving module includes: a base including a central opening; a casing disposed on the base and including an opening hole corresponding to the central opening; a lens unit movably disposed on the casing; and a focus driving part. The focus driving part includes a carrier, an AF coil element, at least two permanent magnets and a Hall element. The carrier is disposed on the lens unit and movable in a direction parallel to an optical axis. The AF coil element is fixed to the base and faces toward the carrier. The permanent magnets are fixed on one side of the carrier facing toward the base and disposed opposite to each other about the optical axis. The Hall element faces toward a corresponding surface of one of the permanent magnets. The AF coil element and the corresponding surfaces are arranged in the direction parallel to the optical axis.
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: June 24, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Publication number: 20250199382
    Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.
    Type: Application
    Filed: March 3, 2025
    Publication date: June 19, 2025
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Te-Sheng TSENG, Chen Wei FAN, Ming-Ta CHOU, Kuan-Ming CHEN
  • Patent number: 12332494
    Abstract: An imaging lens driving module includes a lens system, a lens holder accommodating optical lens elements of the lens system, a base, a rollable support assembly and a driving mechanism. The base includes first and second guiding grooves extending in a direction parallel to the optical axis, disposed opposite to each other and facing the lens holder. The rollable support assembly is in physical contact with and disposed between the lens holder and the base and includes principal and auxiliary rollable support elements. The principal rollable support element is disposed between the lens holder and the first guiding groove. The auxiliary rollable support element is disposed between the lens holder and the second guiding groove. The driving mechanism is configured to drive the lens holder to move. Diameters of the principal and auxiliary rollable support elements in physical contact with the lens holder are different from each other.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: June 17, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Heng Yi Su, Ming-Ta Chou, Te-Sheng Tseng
  • Patent number: 12313900
    Abstract: Provided is a lens assembly driving module including a photographing lens assembly, a first driving mechanism and a second driving mechanism. The photographing lens assembly includes N lens elements and has an optical axis passing through the N lens elements. The first driving mechanism drives at least N/2 said lens elements to move along the optical axis of the photographing lens assembly. The second driving mechanism enables a relative distance along the optical axis of two adjacent ones of the N lens elements to vary. Therefore, any specific one of the lens elements is capable of being driven to optimize optical imaging resolution of various fields of view independently within a real shot at different object distances.
    Type: Grant
    Filed: March 13, 2024
    Date of Patent: May 27, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Heng-Yi Su, Hao-Jan Chen, Ming-Ta Chou, Te-Sheng Tseng
  • Publication number: 20250123460
    Abstract: An optical element driving unit includes a stationary body, a carrier, a supporting mechanism and an electromagnetic driving assembly. The supporting mechanism is connected to the carrier and the stationary body and provides the carrier with a degree of freedom of movement relative to the stationary body. The carrier can be driven to move by the electromagnetic driving assembly. The electromagnetic driving assembly includes a driving coil, a driving magnet and a ferromagnetic element. The driving coil is disposed on the carrier. The driving magnet is disposed on the stationary body. The ferromagnetic element is one-piece formed and embedded in the carrier, and the ferromagnetic element includes a magnetic field guiding part and an electrical connection part. The magnetic field guiding part faces the driving coil and/or the driving magnet. The electrical connection part is exposed on a surface of the carrier and electrically connected to the driving coil.
    Type: Application
    Filed: December 20, 2024
    Publication date: April 17, 2025
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Yu Chen LAI, Ming-Ta CHOU, Te-Sheng TSENG
  • Publication number: 20250116916
    Abstract: A camera module includes an imaging lens assembly, an image sensor and a magnet assembling mechanism. The image sensor is for receiving an image signal of the imaging lens assembly. The magnet assembling mechanism is for defining a status of the image signal of the imaging lens assembly corresponding to the image sensor, wherein the magnet assembling mechanism includes a magnet holder, a magnet and an opaque layer. The magnet is disposed at the magnet holder. The opaque layer is disposed on an outer surface of the magnet.
    Type: Application
    Filed: August 29, 2024
    Publication date: April 10, 2025
    Inventors: Lin-An CHANG, Ming-Ta CHOU, Te-Sheng TSENG
  • Patent number: 12271106
    Abstract: A variable aperture module includes a blade assembly including movable blades, a positioning element including positioning structures and a driving part including a rotation element. The movable blades are disposed around an optical axis to form a light passable hole with adjustable size for different hole size states and each have an inner surface to define the contour of the light passable hole in each hole size state. The positioning structures correspond to the movable blades. The rotation element is rotatable with respect to the positioning element and is configured to rotate the movable blades to adjust a size of the light passable hole. There are matte structures disposed on each inner surface. Each matte structure is single structure extending towards the optical axis, such that at least part of the contour of the light passable hole has an undulating shape at least in several hole size states.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: April 8, 2025
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Te-Sheng Tseng, Chen Wei Fan, Ming-Ta Chou, Kuan-Ming Chen
  • Patent number: 12265278
    Abstract: A lens driving apparatus includes a holder, a cover, a carrier, a first magnet, a coil, a spring, two second magnets and a hall sensor. The holder includes an opening hole. The cover is made of metal material and coupled to the holder. The carrier is movably disposed in the cover, and for coupling to a lens. The first magnet is connected to an inner side of the cover. The coil is wound around an outer side of the carrier, and adjacent to the first magnet. The spring is coupled to the carrier. The second magnets are disposed on one end of the carrier which is toward the holder. The hall sensor is for detecting a magnetic field of any one of the second magnets, wherein the magnetic field is varied according to a relative displacement between the hall sensor and the second magnet which is detected.
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: April 1, 2025
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Yi Lu, Te-Sheng Tseng, Wen-Hung Hsu
  • Publication number: 20250093616
    Abstract: An imaging lens module includes an imaging lens unit, an optical folding component and a sensing magnet group. The imaging lens unit has an optical axis. The optical folding component is configured to fold an incident optical path into the imaging lens unit to coincide with the optical axis. The sensing magnet group includes two sensing magnets that are sequentially disposed on the imaging lens unit along a direction in parallel with the optical axis. The sensing magnets are located at the same side with respect to a reference plane that passes through the optical axis and has a normal direction perpendicular to the optical axis. When the sensing magnets are observed from the direction in parallel with the optical axis, images of the sensing magnets are at least partially overlapped. Two adjacent magnetic poles of the sensing magnets are like poles between which there is a repulsive force.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 20, 2025
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Heng Yi SU, Ming-Ta CHOU, Wen-Hung HSU, Te-Sheng TSENG
  • Publication number: 20250093615
    Abstract: An imaging camera driving module includes a lens unit, a driving mechanism, a sensing mechanism and an image surface. At least a part of the driving mechanism is coupled to the lens unit to drive the lens unit to move in a direction parallel to the optical axis. The sensing mechanism includes sensing magnets fixed to the lens unit and sensing elements not facing the driving mechanism. The sensing elements are disposed on an image side of the imaging lens assembly of the lens unit and corresponding to the sensing magnets. The sensing elements are configured to detect a relative position of the sensing magnets. The image surface is disposed on the image side of the imaging lens assembly, and the optical axis passes through the image surface. The sensing mechanism is configured to detect a tilt of the optical axis with respect to the central axis.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Heng Yi SU, Ming-Ta CHOU, Te-Sheng TSENG
  • Publication number: 20250060653
    Abstract: An imaging lens module includes an imaging lens, an adjustable aperture module, a first spacer and a second spacer. The adjustable aperture module is disposed between an object-side lens group and an image-side lens group of the imaging lens and comprises a blade assembly, fixed shafts, a movable component and a driving mechanism. The blade assembly includes at least two light-blocking blades forming a light pass aperture. The driving mechanism is to rotate the movable component in a circumferential direction, allowing the blade assembly to move relative to the fixed shafts for varying an aperture size of the light pass aperture. The fixed shafts are disposed on the first spacer. The second spacer and the first spacer together form an inner space in which the adjustable aperture module is accommodated. The second spacer receives and is in physical contact with the object-side lens group.
    Type: Application
    Filed: January 17, 2024
    Publication date: February 20, 2025
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Te-Sheng TSENG, Chia-Cheng TSAI, Heng Yi SU, Ming-Ta CHOU
  • Patent number: 12228841
    Abstract: A camera module includes a plastic carrier, an imaging lens assembly, a reflective element and a plurality of auto-focusing elements. The plastic carrier includes an inner portion and an outer portion, wherein an inner space is defined by the inner portion, and the outer portion includes at least one mounting structure. The imaging lens assembly is disposed in the inner space of the plastic carrier. The reflective element is for folding an image light by a reflective surface of the reflective element into the imaging lens assembly. The auto-focusing elements include at least two magnets and at least one wiring element, wherein the auto-focusing elements are for moving the plastic carrier along a second optical axis of the imaging lens assembly, and the magnets or the wiring element can be disposed on the mounting structure of the outer portion.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: February 18, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Patent number: 12210206
    Abstract: An optical element driving unit includes a stationary body, a carrier, a supporting mechanism and an electromagnetic driving assembly. The supporting mechanism is connected to the carrier and the stationary body and provides the carrier with a degree of freedom of movement relative to the stationary body. The carrier can be driven to move by the electromagnetic driving assembly. The electromagnetic driving assembly includes a driving coil, a driving magnet and a ferromagnetic element. The driving coil is disposed on the carrier. The driving magnet is disposed on the stationary body. The ferromagnetic element is one-piece formed and embedded in the carrier, and the ferromagnetic element includes a magnetic field guiding part and an electrical connection part. The magnetic field guiding part faces the driving coil and/or the driving magnet. The electrical connection part is exposed on a surface of the carrier and electrically connected to the driving coil.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: January 28, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Yu Chen Lai, Ming-Ta Chou, Te-Sheng Tseng
  • Publication number: 20250024127
    Abstract: A camera module includes an imaging lens having an optical axis, a variable through hole mechanism, an image sensor, an image sensor actuating module and a flexible printed circuit. The variable through hole mechanism is disposed corresponding to the imaging lens to adjust an amount of light into the imaging lens. The image sensor is disposed on the optical axis and is configured to convert imaging light passing through the imaging lens into an image signal. The image sensor actuating module is configured to move the image sensor. The variable through hole mechanism and the image sensor actuating module each have a coil disposed on the flexible printed circuit. The flexible printed circuit is electrically connected to the variable through hole mechanism and the image sensor actuating module.
    Type: Application
    Filed: December 11, 2023
    Publication date: January 16, 2025
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Te-Sheng TSENG, Heng Yi SU, Yi Hua TSENG
  • Patent number: 12197035
    Abstract: An imaging lens module includes an imaging lens unit, an optical folding component and a sensing magnet group. The imaging lens unit has an optical axis. The optical folding component is configured to fold an incident optical path into the imaging lens unit to coincide with the optical axis. The sensing magnet group includes two sensing magnets that are sequentially disposed on the imaging lens unit along a direction in parallel with the optical axis. The sensing magnets are located at the same side with respect to a reference plane that passes through the optical axis and has a normal direction perpendicular to the optical axis. When the sensing magnets are observed from the direction in parallel with the optical axis, images of the sensing magnets are at least partially overlapped. Two adjacent magnetic poles of the sensing magnets are like poles between which there is a repulsive force.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: January 14, 2025
    Assignee: LARGAN DIGITAL CO.,LTD.
    Inventors: Heng Yi Su, Ming-Ta Chou, Wen-Hung Hsu, Te-Sheng Tseng
  • Patent number: 12189206
    Abstract: An imaging camera driving module includes a lens unit, a driving mechanism, a sensing mechanism and an image surface. At least a part of the driving mechanism is coupled to the lens unit to drive the lens unit to move in a direction parallel to the optical axis. The sensing mechanism includes sensing magnets fixed to the lens unit and sensing elements not facing the driving mechanism. The sensing elements are disposed on an image side of the imaging lens assembly of the lens unit and corresponding to the sensing magnets. The sensing elements are configured to detect a relative position of the sensing magnets. The image surface is disposed on the image side of the imaging lens assembly, and the optical axis passes through the image surface. The sensing mechanism is configured to detect a tilt of the optical axis with respect to the central axis.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: January 7, 2025
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Heng Yi Su, Ming-Ta Chou, Te-Sheng Tseng
  • Publication number: 20240393565
    Abstract: A lens driving module includes a base, a shield can, a driving mechanism, a space maintaining element and a damping element. The base has an opening. The shield can is coupled to the base and has a central aperture corresponding to the opening. The driving mechanism is disposed in the shield and configured to drive a lens unit to move. The space maintaining element is in physical contact with the shield can. The space maintaining element includes a plastic frame portion and a metal structure portion. The metal structure portion includes pins extending toward the base. The metal structure portion is insert-molded with the plastic frame portion to form the space maintaining element. The damping element is connected to the pins and the lens unit. The pins of the metal structure portion are located closer to the optical axis than part of the metal structure portion without the pins.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Heng Yi SU, Ming-Ta CHOU, Te-Sheng TSENG, Ming-Shun CHANG
  • Publication number: 20240393564
    Abstract: An imaging lens driving module includes a base, a casing, a driving mechanism and a damping element. The base has an opening, and the casing has a central aperture corresponding to the opening. The casing includes a plastic frame portion and a metal structure portion. The plastic frame portion is coupled to the base. The metal structure portion has a plurality of pins extending towards the base. The driving mechanism is disposed in the casing. The driving mechanism is configured to drive the lens unit to move in a direction parallel to an optical axis. The damping element is connected to the pins and the lens unit. The metal structure portion is insert-molded with the plastic frame portion to form the casing. The pins are located closer to the optical axis than the other part of the metal structure portion to the optical axis.
    Type: Application
    Filed: July 31, 2024
    Publication date: November 28, 2024
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Heng Yi SU, Ming-Ta CHOU, Te-Sheng TSENG, Ming-Shun CHANG
  • Publication number: 20240377707
    Abstract: An adjustable aperture module includes a blade assembly, a fixed component connected to the blade assembly, a movable component connected to the blade assembly, and a driving mechanism. The blade assembly includes light-blocking blades overlapping one another in a circumferential direction surrounding a central axis and together forming a light pass aperture. The movable component is disposed corresponding to the fixed component. The driving mechanism is configured to rotate the movable component in the circumferential direction relative to the fixed component. The driving mechanism includes at least one coil assembly and at least one magnet arranged along the circumferential direction. The coil assembly includes at least two coils. The magnet is disposed on the movable component and includes at least one magnetic pole. The magnetic pole is disposed corresponding to the coil assembly and facing at least two coils of the coil assembly.
    Type: Application
    Filed: October 20, 2023
    Publication date: November 14, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Zheng-Zhi HONG, Heng Yi SU, Yi Hua TSENG, Te-Sheng TSENG