Patents by Inventor Yi-Liang Chan

Yi-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: 20210080745
    Abstract: An optical member driving mechanism is provided, including a movable module, a first driving module, and a position detecting module. The movable module includes an optical member holder and a housing. The first driving module includes a first electromagnetic driving assembly disposed on the optical member holder and a second electromagnetic driving assembly disposed on the housing. The first driving module can drive the optical member holder to move relative to the housing. The position detecting module includes a magnetic member and a position detector. The magnetic member is disposed on the optical member holder. The position detector can detect the position of the optical member holder relative to the housing according to a variation in magnetic field direction.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 18, 2021
    Inventors: Yi-Ho CHEN, Ichitai MOTO, Yi-Liang CHAN, Chen-Chi KUO, Sin-Jhong SONG
  • Patent number: 10935809
    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: May 20, 2019
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Publication number: 20210011248
    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: September 28, 2020
    Publication date: January 14, 2021
    Inventor: Yi Liang CHAN
  • Patent number: 10877290
    Abstract: An optical member driving mechanism is provided, including a movable module, a first driving module, and a position detecting module. The movable module includes an optical member holder and a housing. The first driving module includes a first electromagnetic driving assembly disposed on the optical member holder and a second electromagnetic driving assembly disposed on the housing. The first driving module can drive the optical member holder to move relative to the housing. The position detecting module includes a magnetic member and a position detector. The magnetic member is disposed on the optical member holder. The position detector can detect the position of the optical member holder relative to the housing according to a variation in magnetic field direction.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: December 29, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Yi-Ho Chen, Ichitai Moto, Yi-Liang Chan, Chen-Chi Kuo, Sin-Jhong Song
  • Publication number: 20200393642
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO, Chen-Er HSU, Yi-Liang CHAN, Fu-Lai TSENG, Fu-Yuan WU, Chen-Chi KUO, Ying-Jen WANG, Wei-Han HSIA, Yi-Hsin TSENG, Wen-Chang LIN, Chun-Chia LIAO, Shou-Jen LIU, Chao-Chun CHANG, Yi-Chieh LIN, Shang-Yu HSU, Yu-Huai LIAO, Shih-Wei HUNG, Sin-Hong LIN, Kun-Shih LIN, Yu-Cheng LIN, Wen-Yen HUANG, Wei-Jhe SHEN, Chih-Shiang WU, Sin-Jhong SONG, Che-Hsiang CHIU, Sheng-Chang LIN
  • Publication number: 20200363648
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, a driving assembly, and a position sensing assembly. The movable part is used for connecting to an optical element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part in a first direction. The position sensing assembly is used for detecting movement of the moved part relative to the fixed part in the first direction. The position sensing assembly includes a reference element and a position sensor corresponding to the reference element. When viewed in any direction perpendicular to the first direction, the reference element does not overlap the position sensor.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Inventors: Ichitai MOTO, Yi-Liang CHAN
  • Patent number: 10830981
    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: October 18, 2018
    Date of Patent: November 10, 2020
    Assignee: TDK TAIWAN CORP.
    Inventor: Yi-Liang Chan
  • Patent number: 10823932
    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: January 8, 2019
    Date of Patent: November 3, 2020
    Assignee: TDK Taiwan Corporation
    Inventor: Yi Liang Chan
  • Publication number: 20200341235
    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: July 14, 2020
    Publication date: October 29, 2020
    Inventors: Chao-Chang HU, Yi-Liang CHAN
  • Patent number: 10768438
    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: Grant
    Filed: May 3, 2019
    Date of Patent: September 8, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Ichitai Moto, Yi-Liang Chan
  • Patent number: 10746956
    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: Grant
    Filed: April 20, 2018
    Date of Patent: August 18, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Yi-Liang Chan
  • Patent number: 10739608
    Abstract: An optical element driving device is provided, including a fixed part, a movable part, a driving mechanism, and a position sensing assembly. The fixed part includes a base. The movable part includes a holder for carrying an optical element. The driving mechanism is configured to drive the holder to move along a first direction with respect to the base. The position sensing assembly includes a magnetic element and a magnetic field sensing element in corresponding positions. The magnetic element is configured to sense the amount of displacement of the holder along the first direction with respect to the base. The magnetic pole direction of the magnetic element is different from the first direction.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: August 11, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Ichitai Moto, Yi-Liang Chan
  • Publication number: 20200225505
    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: March 25, 2020
    Publication date: July 16, 2020
    Inventors: Yi-Liang CHAN, Fu-Yuan WU, Chin-Ming HU, Ichitai MOTO, Sin-Jhong SONG
  • Publication number: 20200195850
    Abstract: A camera module is provided, disposed in an electronic device, including a base, a holder, an image sensor, a bottom, and a first biasing element. The base is fixed to a casing of the electronic device. The holder is configured to hold an optical lens and connects to the base. The image sensor is supported by the bottom. The base is situated between the holder and the bottom. The first biasing element connects to the bottom and the base, and forces the bottom and the image sensor to move relative to the base.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Patent number: 10634929
    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: Grant
    Filed: September 12, 2018
    Date of Patent: April 28, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Yi-Liang Chan, Fu-Yuan Wu, Chin-Ming Hu, Ichitai Moto, Sin-Jhong Song
  • Patent number: 10616487
    Abstract: A camera module is provided, disposed in an electronic device, including a base, a holder, an image sensor, a bottom, and a first biasing element. The base is fixed to a casing of the electronic device. The holder is configured to hold an optical lens and connects to the base. The image sensor is supported by the bottom. The base is situated between the holder and the bottom. The first biasing element connects to the bottom and the base, and forces the bottom and the image sensor to move relative to the base.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 7, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Patent number: 10564384
    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: Grant
    Filed: March 4, 2019
    Date of Patent: February 18, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Shih-Ting Huang, Yu-Huai Liao, Yi-Liang Chan, Ichitai Moto
  • Publication number: 20200033554
    Abstract: A driving mechanism is provided and includes a holder, a frame, a resilient element and a first driving assembly. The holder includes a first holder surface for holding an optical element having an optical axis. The frame is movably connected to the holder and includes a first frame surface. The holder is movably connected to the frame through the first resilient element. The first driving assembly is adjacent to the holder and is used for driving the holder to move relative to the frame, wherein both the first holder surface and the first frame surface face the first resilient element and do not contact the first resilient element, and the shortest distance between the first holder surface and the first resilient element is different than the shortest distance between the first frame surface and the first resilient element.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 30, 2020
    Inventors: Yi-Liang CHAN, Fu-Yuan WU, Yi-Hsin NIEH, Yi-Ho CHEN, Tsung-Han WU, Yung-Ping YANG
  • 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
  • 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