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: 20230167988
    Abstract: An evaporative cooling unit includes a first V-shaped portion of a winding of microporous hollow fibers configured to receive a liquid. The evaporative cooling unit also includes a second V-shaped portion of the winding of microporous hollow fibers configured to receive the liquid, where the second V-shaped portion is coupled with the first V-shaped portion. The evaporative cooling unit also includes an internal cavity disposed between the first V-shaped portion and the second V-shaped portion.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Michael J. Sweeney, Nicholas Labonte, Andrew Kim Liang Chan
  • Publication number: 20230167989
    Abstract: An air conditioning system includes evaporative cooling units, each evaporative cooling unit including a first V-shaped portion of a winding of microporous hollow fibers that are configured to receive a liquid, and a second V-shaped portion of the winding of microporous hollow fibers that are configured to receive the liquid, where the second V-shaped portion is coupled to the first V-shaped portion, and an internal cavity is disposed between the first V-shaped portion and the second V-shaped portion. The air conditioning system also includes a plumbing assembly configured to supply the liquid to the plurality of evaporative cooling units. The air conditioning system also includes a controller configured to control the plumbing assembly to change a flow rate of the liquid, or to block the liquid from at least one evaporative cooling unit of the plurality of evaporative cooling units.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Michael J. Sweeney, Nicholas Labonte, Andrew Kim Liang Chan
  • Publication number: 20230120771
    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: December 15, 2022
    Publication date: April 20, 2023
    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
  • Patent number: 11598975
    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: January 27, 2021
    Date of Patent: March 7, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Patent number: 11555976
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion connects to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is used to drive the movable portion so that it moves relative to the fixed portion, wherein the movable portion comprises a first connecting portion that is movably connected to the fixed portion.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: January 17, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Guan-Bo Wang, Yi-Liang Chan
  • Patent number: 11555981
    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: Grant
    Filed: June 12, 2020
    Date of Patent: January 17, 2023
    Assignee: TDK TAIWAN CORP.
    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
  • Patent number: 11516397
    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: February 21, 2020
    Date of Patent: November 29, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Patent number: 11493728
    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: July 14, 2020
    Date of Patent: November 8, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Yi-Liang Chan
  • Publication number: 20220252285
    Abstract: An air conditioner includes an airflow path configured to direct an airflow in a direction. The air conditioner also includes an evaporative cooling membrane panel disposed within the air flow path and including a face disposed at an oblique angle relative to the direction. The face is defined by microporous fibers of the evaporative cooling membrane panel. Each microporous fiber is configured to receive liquid in a fluid flow path of the microporous fiber such that the air flow over the microporous fiber generates a vapor. Each microporous fiber is also configured to release the vapor into the air flow via pores of the microporous fiber.
    Type: Application
    Filed: September 22, 2021
    Publication date: August 11, 2022
    Inventors: Michael J Sweeney, Ryan Vetsch, David Patrick Selmser, Andrew Kim Liang Chan, Philip Thai, Nicholas Labonte
  • Patent number: 11397332
    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: Grant
    Filed: August 5, 2020
    Date of Patent: July 26, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Ichitai Moto, Yi-Liang Chan
  • Patent number: 11320625
    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: Grant
    Filed: July 25, 2019
    Date of Patent: May 3, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Liang Chan, Fu-Yuan Wu, Yi-Hsin Nieh, Yi-Ho Chen, Tsung-Han Wu, Yung-Ping Yang
  • Patent number: 11314101
    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: Grant
    Filed: October 19, 2018
    Date of Patent: April 26, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Liang Chan, Sin-Jhong Song
  • Patent number: 11300804
    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: March 25, 2020
    Date of Patent: April 12, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Liang Chan, Fu-Yuan Wu, Chin-Ming Hu, Ichitai Moto, Sin-Jhong Song
  • Publication number: 20220035121
    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: October 19, 2021
    Publication date: February 3, 2022
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Patent number: 11181713
    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: August 5, 2019
    Date of Patent: November 23, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Patent number: 11070152
    Abstract: An optical driving mechanism is provided, disposed in an electronic device, including a movable portion, a fixed portion, and a sensing assembly. The movable portion has a holder configured to sustain an optical element. The fixed portion is affixed in the electronic element and connects to the movable portion, wherein the movable portion is movable relative to the fixed portion by applying a magnetic force. The sensing assembly has a coil and a magnetic element configured to sense the relative positions of the movable portion and the fixed portion.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 20, 2021
    Assignee: TDK TAIWAN CORP.
    Inventor: Yi-Liang Chan
  • Patent number: 11067823
    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: October 11, 2018
    Date of Patent: July 20, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Liang Chan, Shang-Yu Hsu
  • Publication number: 20210149211
    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: January 27, 2021
    Publication date: May 20, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Publication number: 20210124143
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion connects to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is used to drive the movable portion so that it moves relative to the fixed portion, wherein the movable portion comprises a first connecting portion that is movably connected to the fixed portion.
    Type: Application
    Filed: June 9, 2020
    Publication date: April 29, 2021
    Inventors: Fu-Yuan WU, Guan-Bo WANG, Yi-Liang CHAN
  • 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