Patents by Inventor Liang Chan

Liang Chan 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: 20190353982
    Abstract: A camera module is provided, including a holder, a base, a bottom, an image sensor, and a first biasing element. The holder holds an optical lens and is disposed on the base. The bottom supports the image sensor and connects to the base via the first biasing element. The bottom and the image sensor can be moved with respect to the base by the first biasing element.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 21, 2019
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Publication number: 20190311927
    Abstract: An aluminum adhering process and a vacuum transfer chamber for a metal thin film plating machine. The vacuum transfer chamber includes a vacuum transfer chamber and a pre etching reacting cavity installed in a periphery of and communicated to the vacuum transfer chamber. The pre etching reacting cavity is in a very high vacuum state. The vacuum transfer chamber is installed with a robot. The aluminum adhering process includes steps of: installing a locating frame in the vacuum transfer chamber and for storing an aluminum sheet; taking the aluminum sheet from the locating sheet then transferring the aluminum sheet to the pre etching reaction chamber; plasma bombarding the aluminum sheet in the pre etching reaction chamber; and transferring the aluminum sheet back to the locating frame after a layer of aluminum is plated on an inner wall of the pre etching reacting cavity.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 10, 2019
    Inventors: Chen-Feng Li, Wei-Liang Chan, Kuo-Yang Ma, Ching-Liang I, Yu-Hung Huang
  • Patent number: 10416532
    Abstract: A camera module is provided, including a holder, a base, a bottom, an image sensor, and a first biasing element. The holder holds an optical lens and is disposed on the base. The bottom supports the image sensor and connects to the base via the first biasing element. The bottom and the image sensor can be moved with respect to the base by the first biasing element.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: September 17, 2019
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Patent number: 10409027
    Abstract: A driving assembly is provided. The driving assembly includes a fixed member, a movable member, a driving magnet unit, a coil, and a focusing magnetic element. The movable member is arranged to be movable relative to the fixed member in a main axis via a magnetic force generated by the coil and the driving magnet unit. Additionally, the resonance of the movable member is inhibited by a magnetic force generated by the focusing magnetic element and the driving magnet unit.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: September 10, 2019
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi Liang Chan, Yusheng Li
  • Publication number: 20190271855
    Abstract: A lens driving mechanism is provided. The lens driving mechanism is configured to drive an optical lens, including a holder, a base, a first elastic element, and a first biasing element. The optical lens is disposed in a receiving space of the holder. The base has a central axis, and the holder is movable relative to the base. The first elastic element is connected to the holder and the base. The first biasing element exerts a force on the holder so that an optical axis of the optical lens has an angular displacement relative to the central axis.
    Type: Application
    Filed: May 20, 2019
    Publication date: September 5, 2019
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Publication number: 20190258076
    Abstract: An optical element driving device is provided, including a fixed part including a base; a movable part including a holder for carrying an optical element, a first driving mechanism configured to drive the holder to move along a first direction with respect to the base, and a position sensing assembly including a magnetic element and a magnetic field sensing element in corresponding positions and configured to sense the amount of displacement of the holder along the first direction with respect to the base, wherein the position sensing assembly and the magnetic element do not overlap with each other when viewed along a direction perpendicular to the first direction.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 22, 2019
    Inventors: Ichitai MOTO, Yi-Liang CHAN
  • Publication number: 20190204530
    Abstract: A lens driving module is provided and includes a movable member for holding a lens, a fixed member movably connected to the movable member and includes a bottom spaced apart from the movable member, a first electromagnetic component, and an adhesive material disposed on the bottom. The bottom includes a conductive layer formed in the bottom and electrically connected to the first electromagnetic component, a position sensor electrically connected to the conductive layer, and a terminal electrically connected to the conductive layer and exposed by and partially embedded in the bottom, wherein a distance between an upper surface of the bottom and the movable member is less than a distance between the adhesive material and the movable member, a recess is formed on the upper surface, and the position sensor is disposed in the recess.
    Type: Application
    Filed: March 4, 2019
    Publication date: July 4, 2019
    Inventors: Shih-Ting HUANG, Yu-Huai LIAO, Yi-Liang CHAN, Ichitai MOTO
  • Patent number: 10338403
    Abstract: A lens driving mechanism is provided. The lens driving mechanism is configured to drive an optical lens, including a holder, a base, a first elastic element, and a first biasing element. The optical lens is disposed in a receiving space of the holder. The base has a central axis, and the holder is movable relative to the base. The first elastic element is connected to the holder and the base. The first biasing element exerts a force on the holder so that an optical axis of the optical lens has an angular displacement relative to the central axis.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: July 2, 2019
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Publication number: 20190187523
    Abstract: A display panel includes a first substrate, a second substrate, a display medium layer, pixel units, and a light-shielding conductive pattern layer. The first substrate has a first inner surface and a first outer surface, and the first outer surface serves as a display surface of the display panel. The second substrate is disposed opposite to the first substrate and has a second inner surface and a second outer surface. The display medium layer is disposed between the first inner surface and the second inner surface. The pixel units are disposed between the display medium layer and the first inner surface, and at least one of the pixel units includes an active element. The light-shielding conductive pattern layer is disposed between the display medium layer and the second inner surface, at least partially overlaps the active element in a vertical projection direction, and includes a first patterned light-shielding conductive layer and a first patterned low-reflection layer.
    Type: Application
    Filed: November 8, 2018
    Publication date: June 20, 2019
    Applicant: Au Optronics Corporation
    Inventors: Bo-Ru Jian, Wei-Liang Chan, Chen-Yi Wu, Mei-Hui Lee, Chi-Hsiung Chang, Tai-Tso Lin
  • Publication number: 20190137725
    Abstract: A lens driving device is provided, including a frame, a lens holder, a spring sheet, and at least one damping element. The lens holder is movably disposed in the frame. The spring sheet has an outer periphery portion combined with the frame, an inner periphery portion combined with the lens holder, and an arm portion connected between the outer periphery portion and the inner periphery portion. The damping element is connected between the arm portion of the spring sheet and at least one of the frame and the lens holder.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 9, 2019
    Inventor: Yi Liang CHAN
  • Publication number: 20190125297
    Abstract: A device for 3-D imaging of the oral cavity for purposes of implant positioning, and in particular, a dental ultrasound scanner connected to a registration device that provides coordinates for realigning ultrasound images. The ultrasound scanner includes transducers having frequencies of 18 megahertz or higher and wavelengths of 80 microns or less. The reference device may be used as a surgical guide or a separate surgical guide may be created.
    Type: Application
    Filed: April 7, 2017
    Publication date: May 2, 2019
    Inventors: Hsun-Liang Chan, Oliver D. Kripfgans, J. Brian Fowlkes
  • Publication number: 20190121158
    Abstract: An optical driving mechanism is provided, including a fixed portion, a movable portion and a driving assembly. The movable portion includes a holder and an optical element, wherein the holder is configured to sustain the optical element, and the optical element has a lens barrel and at least one lens. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. A first connecting surface of the holder abuts a second connecting surface of the lens barrel, and at least one of the first connecting surface and the second connecting surface has a curved surface, wherein in the optical axis direction of the lens and in the direction perpendicular to the optical axis, the first connecting surface at least partially is overlapping the second connecting surface.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Inventors: Yi-Liang CHAN, Sin-Jhong SONG
  • Publication number: 20190121157
    Abstract: A lens driving module is provided, configured to drive an optical element, including a holder, a circuit board assembly, a base module, and a magnetic element. The optical element is disposed in the holder, and the circuit board assembly has a driving coil. The base module has a metal substrate, an insulating layer, a circuit layer electrically connected with the driving coil, and a protective layer. The metal substrate has a bent portion where an opening is formed on. A wire of the circuit layer extends across the opening and forms a bridging portion. The protective layer has a protruding portion extending over the opening and covers the bridging portion. The magnetic element is coupled to the driving coil, and the two are configured to drive the optical element to move relative to the base module.
    Type: Application
    Filed: September 12, 2018
    Publication date: April 25, 2019
    Inventors: Yi-Liang CHAN, Fu-Yuan WU, Chin-Ming HU, Ichitai MOTO, Sin-Jhong SONG
  • Patent number: 10261284
    Abstract: An electromagnetic driving assembly is provided, including a movable member, a fixed member, a plurality of suspension wires, an electromagnetic component, a conductive layer, and a terminal. The fixed member is spaced apart from the movable member, wherein the movable member and the fixed member are arranged along the main axis. The plurality of suspension wires are elastically connecting the movable member and the fixed member. The electromagnetic component is for driving the movable member to move relative to the fixed member. The conductive layer is formed in the fixed member and electrically connected to the electromagnetic component through the suspension wires. The terminal is exposed by and partially embedded in the fixed member, and electrically connected to the conductive layer, wherein one end of each of the suspension wires is positioned in a recess of the fixed member.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: April 16, 2019
    Assignee: TDK Taiwan Corp.
    Inventors: Shih-Ting Huang, Yu-Huai Liao, Yi-Liang Chan, Ichitai Moto
  • Publication number: 20190049690
    Abstract: A lens driving device is provided, including a frame, a lens holder, a spring sheet, and at least one damping element. The lens holder is movably disposed in the frame. The spring sheet has an outer periphery portion combined with the frame, an inner periphery portion combined with the lens holder, and an arm portion connected between the outer periphery portion and the inner periphery portion. The damping element is connected between the arm portion of the spring sheet and at least one of the frame and the lens holder.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 14, 2019
    Inventor: Yi-Liang CHAN
  • Publication number: 20190041662
    Abstract: An optical image stabilization mechanism is provided, including a holder for holding a lens, a frame, a base, a first coil, a second coil, a displacement sensor, a first magnetic element, a second magnetic element, and a third magnetic element. The frame is movably connected to the holder and the base. The first coil is disposed on a side of the holder. The second coil is disposed on the base. The first and second magnetic elements are disposed on the frame and correspond to the first coil. The magnetic pole direction of the first magnetic element is opposite to that of the second magnetic element. The third magnetic element is disposed on the frame and corresponds to the second coil. The displacement sensor is disposed on the base to detect relative displacement between the lens and the base.
    Type: Application
    Filed: October 11, 2018
    Publication date: February 7, 2019
    Inventors: Yi-Liang CHAN, Shang-Yu HSU
  • Publication number: 20190004280
    Abstract: A circuit module is provided and includes a metal substrate, an insulating layer, and a circuit element. The metal substrate includes a main body, a bent portion and an opening. The opening is formed between the main body and the bent portion, and the bent portion is bent relative to the main body. The insulating layer is disposed on the metal substrate. The circuit element is disposed on the insulating layer and is extended across the opening.
    Type: Application
    Filed: April 20, 2018
    Publication date: January 3, 2019
    Inventors: Chao-Chang HU, Yi-Liang CHAN
  • Patent number: 10139586
    Abstract: A lens driving device is provided, including a frame, a lens holder, a spring sheet, and at least one damping element. The lens holder is movably disposed in the frame. The spring sheet has an outer periphery portion combined with the frame, an inner periphery portion combined with the lens holder, and an arm portion connected between the outer periphery portion and the inner periphery portion. The damping element is connected between the arm portion of the spring sheet and at least one of the frame and the lens holder.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: November 27, 2018
    Assignee: TDK TAIWAN CORP.
    Inventor: Yi Liang Chan
  • Patent number: 10126564
    Abstract: An optical image stabilization mechanism is provided, including a holder for holding a lens, a frame, a base, a first coil, a second coil, a displacement sensor, a first magnetic element, a second magnetic element, and a third magnetic element. The frame is movably connected to the holder and the base. The first coil is disposed on a side of the holder. The second coil is disposed on the base. The first and second magnetic elements are disposed on the frame and correspond to the first coil. The magnetic pole direction of the first magnetic element is opposite to that of the second magnetic element. The third magnetic element is disposed on the frame and corresponds to the second coil. The displacement sensor is disposed on the base to detect relative displacement between the lens and the base.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: November 13, 2018
    Assignee: TDK Taiwan Corp.
    Inventors: Yi-Liang Chan, Shang-Yu Hsu
  • Publication number: 20180252891
    Abstract: An electromagnetic driving assembly is provided, including a movable member, a fixed member, a plurality of suspension wires, an electromagnetic component, a conductive layer, and a terminal. The fixed member is spaced apart from the movable member, wherein the movable member and the fixed member are arranged along the main axis. The plurality of suspension wires are elastically connecting the movable member and the fixed member. The electromagnetic component is for driving the movable member to move relative to the fixed member. The conductive layer is formed in the fixed member and electrically connected to the electromagnetic component through the suspension wires. The terminal is exposed by and partially embedded in the fixed member, and electrically connected to the conductive layer, wherein one end of each of the suspension wires is positioned in a recess of the fixed member.
    Type: Application
    Filed: May 3, 2018
    Publication date: September 6, 2018
    Inventors: Shih-Ting HUANG, Yu-Huai LIAO, Yi-Liang CHAN, Ichitai MOTO