Patents by Inventor Wen-hung Hsu

Wen-hung Hsu 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: 20220082786
    Abstract: 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: Application
    Filed: October 21, 2020
    Publication date: March 17, 2022
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Lin An CHANG, Ming-Ta CHOU, Wen-Hung HSU, Te-Sheng TSENG
  • Patent number: 11226468
    Abstract: A lens driving apparatus is for driving a lens assembly and includes a holder, a metal cover, a carrier, at least one detection magnet, a circuit board, at least one position detection unit, a coil and at least three driving magnets. The holder has a rectangular appearance, wherein the holder includes a holder opening and four sides. The carrier is displaceable relative to the holder along a direction parallel to a central axis. The holder further includes at least three first terminals and a plurality of second terminals. The first terminals are positioned close to only one of the four sides of the holder and extended outward from the holder along the direction parallel to the central axis, wherein the position detection unit is positioned close to another one of the four sides. The second terminals are fixedly connected to the circuit board.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: January 18, 2022
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Publication number: 20210233766
    Abstract: A semiconductor wafer cleaning apparatus is provided. The semiconductor wafer cleaning apparatus includes a spin base, a spindle, a clamping member, and a first sealing ring. The spin base has a through hole and a flange. The spindle extends through the through hole. The clamping member covers the through hole and is connected to the spindle. The clamping member includes a mounting part. The first sealing ring is disposed under the clamping member. A top surface of the first sealing ring and a top surface of the flange are in contact with a bottom surface of the mounting part.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 29, 2021
    Inventors: Chia-Lun CHEN, Po-Jen SHIH, Ming-Sung HUNG, Wen-Hung HSU
  • Publication number: 20210223506
    Abstract: A lens assembly actuating module includes a holder, a metal yoke, a lens actuator and a Hall sensor. The holder includes a central opening, at least three metal connectors insert-molded with the holder, at least two metal terminals insert-molded with the holder, and a plurality of plated metal layers disposed on a surface of the holder. The metal yoke is coupled with the holder. The lens actuator is for carrying a lens unit including an optical axis. The lens actuator is movably disposed in the metal yoke. The lens actuator includes at least one elastic element and at least three metal hanging wires. The Hall sensor is disposed on one of the plated metal layers of the holder. The Hall sensor is for detecting a movement of the lens unit along a direction perpendicular to the optical axis.
    Type: Application
    Filed: April 9, 2021
    Publication date: July 22, 2021
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20210157214
    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: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Patent number: 11016264
    Abstract: A lens assembly actuating module includes a holder, a metal yoke, a lens actuator and a Hall sensor. The holder includes a central opening, at least three metal connectors insert-molded with the holder, at least two metal terminals insert-molded with the holder, and a plurality of plated metal layers disposed on a surface of the holder. The metal yoke is coupled with the holder. The lens actuator is for carrying a lens unit including an optical axis. The lens actuator is movably disposed in the metal yoke. The lens actuator includes at least one elastic element and at least three metal hanging wires. The Hall sensor is disposed on one of the plated metal layers of the holder. The Hall sensor is for detecting a movement of the lens unit along a direction perpendicular to the optical axis.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: May 25, 2021
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Publication number: 20210136267
    Abstract: A photographing module includes a metal cover, a base, a lens portion and a leaf spring. The lens portion is displaceably disposed in an inner space. The leaf spring is assembled with the lens portion and includes an inner fixing portion, an outer fixing portion and an elastic portion. The inner fixing portion is assembled with the lens portion. The outer fixing portion contacts and is fixedly disposed with the metal cover. The elastic portion connects the inner fixing portion and the outer fixing portion. The leaf spring further includes a plurality of contact portions and a plurality of auxiliary elastic portions. Each of the auxiliary elastic portions connects the outer fixing portion and one of the contact portions. For the leaf spring, only the contact portions thereof contact side plates of the metal cover.
    Type: Application
    Filed: January 12, 2021
    Publication date: May 6, 2021
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Patent number: 10991570
    Abstract: A semiconductor wafer cleaning apparatus is provided. The semiconductor wafer cleaning apparatus includes a spin base having a through hole. The semiconductor wafer cleaning apparatus further includes a spindle extending through the through hole. The semiconductor wafer cleaning apparatus also includes a clamping member. The clamping member covers the through hole and connected to the spindle. A gap that communicates with the through hole is formed between the spin base and the clamping member. In addition, the semiconductor wafer cleaning apparatus includes a sealing ring. The sealing ring is positioned adjacent to the gap and located farther away from the spindle than the gap.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 27, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Lun Chen, Po-Jen Shih, Ming-Sung Hung, Wen-Hung Hsu
  • Patent number: 10976639
    Abstract: A lens assembly driving module includes a base, a cover, a lens carrier and a damping agent. The cover is coupled to the base. The lens carrier is integrally formed with a plastic barrel into a coaxial unitary element which has an internal space for receiving at least one optical lens element and includes at least two protrusion portions located on one end of the coaxial unitary element close to the base. The damping agent is filled between the base and each of the protrusion portions. The protrusion portions are a part of the coaxial unitary element, and a distance in a direction perpendicular to an optical axis between the part of the coaxial unitary element and the internal space is a maximum distance among distances in the direction perpendicular to the optical axis between other parts of the coaxial unitary element and the internal space.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 13, 2021
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Publication number: 20210088747
    Abstract: A lens assembly module includes a base, a cover, a lens unit, an elastic element, at least two conductive elements, at least one AF coil element and at least two first magnetic elements. The cover is coupled to the base. The lens unit is movably disposed in the cover. The elastic element is coupled to the lens unit. The conductive elements are coupled to the lens unit. The AF coil element is disposed on the lens unit, and two ends of the AF coil element are electrically connected to the conductive elements, respectively. The first magnetic elements are disposed in the cover. A part of each of the extending structures is overlapped along a direction parallel to an optical axis and electrically connected to each conductive element. The AF coil element and the conductive elements are electrically connected by a welding method.
    Type: Application
    Filed: September 1, 2020
    Publication date: March 25, 2021
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU, Hao-Jan CHOU
  • Patent number: 10942422
    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: July 2, 2019
    Date of Patent: March 9, 2021
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Patent number: 10924649
    Abstract: A photographing module includes a metal cover, a base, a lens portion and a leaf spring. The lens portion is displaceably disposed in an inner space. The leaf spring is assembled with the lens portion and includes an inner fixing portion, an outer fixing portion and an elastic portion. The inner fixing portion is assembled with the lens portion. The outer fixing portion contacts and is fixedly disposed with the metal cover. The elastic portion connects the inner fixing portion and the outer fixing portion. The leaf spring further includes a plurality of contact portions and a plurality of auxiliary elastic portions. Each of the auxiliary elastic portions connects the outer fixing portion and one of the contact portions. For the leaf spring, only the contact portions thereof contact side plates of the metal cover.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 16, 2021
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Publication number: 20200400917
    Abstract: A lens assembly driving module includes a holder, a metal yoke, a lens unit, a magnet set, a coil, at least one elastic element and at least one damper agent. The metal yoke is coupled with the holder and includes a through hole and at least one extending structure. The extending structure is disposed around the through hole and extends along a direction from the through hole to the holder. The lens unit is movably disposed in the metal yoke. The lens unit includes an optical axis and at least one notch structure. The notch structure is disposed in an outer peripheral area of the lens unit and is corresponding to the extending structure. The damper agent is disposed between the extending structure of the metal yoke and the notch structure of the lens unit. The damper agent is applied to damp a movement of the lens unit.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 24, 2020
    Inventors: Chun-Yi LU, Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20200386969
    Abstract: A lens driving apparatus is for driving a lens assembly and includes a base, a metal cover, a carrier, a first coil, at least one first magnet, at least one second magnet, a frame and a spring set. At least one lower leaf spring of the spring set includes a frame connecting section, a carrier connecting section and a resilient section. The carrier connecting section and the second magnet are arranged along the first direction. The carrier connecting section includes an opening portion and a shielding portion, and the opening portion and the shielding portion both corresponding to the second magnet along the first direction are respectively for a part of the second magnet to be exposed through the opening portion and another part of the second magnet to be shielded by the shielding portion.
    Type: Application
    Filed: August 25, 2020
    Publication date: December 10, 2020
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Yung-Chun KANG
  • Publication number: 20200341350
    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: Application
    Filed: November 18, 2019
    Publication date: October 29, 2020
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Patent number: 10802243
    Abstract: A lens assembly driving module includes a holder, a metal yoke, a lens unit, a magnet set, a coil, at least one elastic element and at least one damper agent. The metal yoke is coupled with the holder and includes a through hole and at least one extending structure. The extending structure is disposed around the through hole and extends along a direction from the through hole to the holder. The lens unit is movably disposed in the metal yoke. The lens unit includes an optical axis and at least one notch structure. The notch structure is disposed in an outer peripheral area of the lens unit and is corresponding to the extending structure. The damper agent is disposed between the extending structure of the metal yoke and the notch structure of the lens unit. The damper agent is applied to damp a movement of the lens unit.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: October 13, 2020
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Chun-Yi Lu, Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Patent number: 10805510
    Abstract: A camera driving module includes a base, a casing, a lens unit, a magnetic element, a coil, a spring and a damper agent. The base includes an opening. The casing is disposed on the base and includes a through hole and a broadwise notch structure. The broadwise notch structure is located nearby a periphery of the through hole. The lens unit is movably disposed on the casing and includes a protruding structure. The protruding structure is located at a periphery of the lens unit. The magnetic element is fixed to the casing and located at an inside the casing. The coil is fixed to the lens unit and located at an outside of the lens unit. The coil faces toward the magnetic element. The spring is disposed on the lens unit. The damper agent is disposed between the broadwise notch structure and the protruding structure.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 13, 2020
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Patent number: 10788646
    Abstract: A lens driving apparatus is for driving a lens assembly and includes a base, a metal cover, a carrier, a first coil, at least one first magnet, at least one second magnet, a frame and a spring set. At least one lower leaf spring of the spring set includes a frame connecting section, a carrier connecting section and a resilient section. The carrier connecting section and the second magnet are arranged along the first direction. The carrier connecting section includes an opening portion and a shielding portion, and the opening portion and the shielding portion both corresponding to the second magnet along the first direction are respectively for a part of the second magnet to be exposed through the opening portion and another part of the second magnet to be shielded by the shielding portion.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 29, 2020
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Yung-Chun Kang
  • Publication number: 20200271945
    Abstract: A lens driving module includes a holder, a cover, a carrier, at least one first magnet, a first coil, at least two second magnets, at least one first sensor and at least one second 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 movably disposed in the cover. The first coil is wound around an outer side of the carrier. The second magnets are disposed on one end of the carrier. The first sensor is for detecting a magnetic field of the second magnets. The second sensor is for detecting a magnetic field of the first magnet.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 27, 2020
    Inventors: Chun-Yi LU, Te-Sheng TSENG, Wen-Hung HSU
  • Publication number: 20200209711
    Abstract: A lens assembly driving module includes a base, a cover, a lens carrier and a damping agent. The cover is coupled to the base. The lens carrier is integrally formed with a plastic barrel into a coaxial unitary element which has an internal space for receiving at least one optical lens element and includes at least two protrusion portions located on one end of the coaxial unitary element close to the base. The damping agent is filled between the base and each of the protrusion portions. The protrusion portions are a part of the coaxial unitary element, and a distance in a direction perpendicular to an optical axis between the part of the coaxial unitary element and the internal space is a maximum distance among distances in the direction perpendicular to the optical axis between other parts of the coaxial unitary element and the internal space.
    Type: Application
    Filed: October 25, 2019
    Publication date: July 2, 2020
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU