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: 20200145564
    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: September 11, 2019
    Publication date: May 7, 2020
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20200124821
    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: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Inventors: Chun-Yi LU, Te-Sheng TSENG, Wen-Hung HSU
  • Publication number: 20200089083
    Abstract: A camera module includes a metal yoke, a holding base, a plastic barrel, a plurality of plastic lens elements, a leaf spring pair and a coil element. The holding base is connected to the metal yoke and defines an inner space. The holding base has a through hole which is corresponding to an opening of the metal yoke. The plastic barrel is movably disposed in the inner space. The plastic lens elements are disposed in the plastic barrel. The leaf spring pair includes two leaf springs which are located on a same plane and connected to the plastic barrel. The coil element surrounds an outer surface of the plastic barrel and electrically connected to the leaf spring pair, wherein two ends of the coil element is connected to the leaf springs by a thermal pressing method.
    Type: Application
    Filed: June 14, 2019
    Publication date: March 19, 2020
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Publication number: 20200081321
    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: July 2, 2019
    Publication date: March 12, 2020
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Publication number: 20200049938
    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: Application
    Filed: May 31, 2019
    Publication date: February 13, 2020
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Patent number: 10545310
    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: November 19, 2018
    Date of Patent: January 28, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Yi Lu, Te-Sheng Tseng, Wen-Hung Hsu
  • Patent number: 10495945
    Abstract: A dual lens driving apparatus includes a holder, a metal yoke, a carrier, a first coil, at least one magnet and at least one first sensing component. The carrier is movably disposed in the metal yoke, wherein the carrier includes a first receiving space and a second receiving space, the first receiving space and the second receiving space are for receiving a first lens assembly and a second lens assembly respectively, a central axis of the first receiving space and a central axis of the second receiving space are parallel, the carrier can be moved at least along a first direction, and the first direction is parallel to the two central axes. The magnet is movably disposed in the metal yoke, wherein the magnet can be moved at least along a second direction, and the second direction is vertical to the two central axes.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: December 3, 2019
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Yung-Chun Kang
  • Publication number: 20190364181
    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: Application
    Filed: August 13, 2019
    Publication date: November 28, 2019
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Publication number: 20190339482
    Abstract: A lens driving apparatus includes a holder, a metal cover, a carrier, a sensing magnet, a printed circuit board, a position sensor, a coil and at least one driving magnet. The metal cover is coupled with the holder and has an opening. The carrier is assembled to a lens assembly having an optical axis, wherein the carrier is disposed in the metal cover and is movable along a direction parallel to the optical axis. The sensing magnet is coupled with the carrier. The printed circuit board is disposed near to one of the four lateral sides of the holder. The position sensor is disposed on the printed circuit board and corresponds to the sensing magnet. The coil is disposed on an outer surface of the carrier. One of the driving magnet is disposed in the metal cover and corresponds to the coil.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20190339480
    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: December 14, 2018
    Publication date: November 7, 2019
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Patent number: 10466435
    Abstract: A dual lens driving apparatus includes a holder, a metal yoke, a carrier, a coil, a first magnet, a first elastic element and a second elastic element. The metal yoke is corresponding to the holder and includes a front end which includes a plate surface and a plurality of step portions, and a level difference is between each of the step portions and the plate surface. The carrier is movably disposed in the metal yoke. The coil is disposed around the carrier. The first magnet is disposed in the metal yoke. The first elastic element is assembled on a side of the carrier facing the front end of the metal yoke. The second elastic element is assembled on another side of the carrier facing the holder.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: November 5, 2019
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Yung-Chun Kang
  • Publication number: 20190327397
    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: Application
    Filed: June 11, 2018
    Publication date: October 24, 2019
    Applicant: LARGAN DIGITAL CO.,LTD.
    Inventors: Te-Sheng TSENG, Ming-Ta CHOU, Wen-Hung HSU
  • Patent number: 10432836
    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: June 11, 2018
    Date of Patent: October 1, 2019
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Ming-Ta Chou, Wen-Hung Hsu
  • Publication number: 20190278050
    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: July 31, 2018
    Publication date: September 12, 2019
    Inventors: Chun-Yi LU, Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Patent number: 10401591
    Abstract: A lens driving apparatus includes a holder, a metal cover, a carrier, a sensing magnet, a printed circuit board, a position sensor, a coil and at least one driving magnet. The metal cover is coupled with the holder and has an opening. The carrier is assembled to a lens assembly having an optical axis, wherein the carrier is disposed in the metal cover and is movable along a direction parallel to the optical axis. The sensing magnet is coupled with the carrier. The printed circuit board is disposed near to one of the four lateral sides of the holder. The position sensor is disposed on the printed circuit board and corresponds to the sensing magnet. The coil is disposed on an outer surface of the carrier. One of the driving magnet is disposed in the metal cover and corresponds to the coil.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 3, 2019
    Assignee: LARGAN DIGITAL CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu, Ming-Ta Chou
  • Patent number: 10361616
    Abstract: A voice coil motor includes a holder, a metal yoke, a carrier, a plurality of magnets, a coil and at least two spring plates. The holder includes a first opening and a cylindrical sidewall disposed around the first opening. The metal yoke coupled to the holder includes a second opening and a front end portion. The cylindrical sidewall extends from the first opening towards the second opening. The carrier movably disposed in the metal yoke includes a covering portion disposed on one side of the carrier towards the holder and correspondingly to the cylindrical sidewall, wherein the covering portion surrounds the cylindrical sidewall and farther from the first opening than the cylindrical sidewall. The magnets are disposed in the metal yoke. The coil is wound around the carrier and adjacent to the magnets. Each of the spring plates is flat sheet and coupled to the carrier.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: July 23, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Te-Sheng Tseng, Wen-Hung Hsu
  • Publication number: 20190162929
    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, at least one position detection unit, a coil and at least two driving magnets. The position detection unit is disposed on the holder, wherein the position detection unit is for detecting a displacement along a direction parallel to a central axis of the detection magnet. The holder further includes a plurality of terminal portions and a plurality of conductive portions. The terminal portions are extended outward from the holder along the direction parallel to the central axis. The conductive portions are exposed on a surface of the holder, wherein four of the conductive portions are arranged as a grid array of two rows and two columns, and the four of the conductive portions are disposed correspondingly to the position detection unit.
    Type: Application
    Filed: August 17, 2018
    Publication date: May 30, 2019
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20190164786
    Abstract: An apparatus includes a substrate stage configured to secure a substrate thereon and a motion mechanism configured to rotate the substrate stage. The substrate stage includes a plurality of holding pins for holding an edge of the substrate. Rotating the substrate stage causes a chemical solution dispensed on an upper surface of the substrate to spread outwardly toward the edge of the substrate. At least one of the plurality of holding pins includes at least one opening or at least one tapered side surface, or both, for guiding the chemical solution to flow off the substrate.
    Type: Application
    Filed: February 28, 2018
    Publication date: May 30, 2019
    Inventors: Chia-Lun Chen, Ming-Sung Hung, Po-Jen Shih, Wen-Hung Hsu
  • Publication number: 20190129130
    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: Application
    Filed: April 19, 2018
    Publication date: May 2, 2019
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU
  • Publication number: 20190113709
    Abstract: A lens driving apparatus includes a holder, a metal cover, a carrier, a sensing magnet, a printed circuit board, a position sensor, a coil and at least one driving magnet. The metal cover is coupled with the holder and has an opening. The carrier is assembled to a lens assembly having an optical axis, wherein the carrier is disposed in the metal cover and is movable along a direction parallel to the optical axis. The sensing magnet is coupled with the carrier. The printed circuit board is disposed near to one of the four lateral sides of the holder. The position sensor is disposed on the printed circuit board and corresponds to the sensing magnet. The coil is disposed on an outer surface of the carrier. One of the driving magnet is disposed in the metal cover and corresponds to the coil.
    Type: Application
    Filed: February 13, 2018
    Publication date: April 18, 2019
    Inventors: Te-Sheng TSENG, Wen-Hung HSU, Ming-Ta CHOU