Patents by Inventor Chao-Chang Hu

Chao-Chang Hu 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).

  • Optical member driving mechanism
    Patent number: 11204480
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a housing, a frame, a circuit component, and a base. The housing includes a top wall and a plurality of sidewalls, forming a first containing space. The frame is disposed in the first containing space, and has a second containing space. The circuit component is disposed in the frame. The base is connected to the housing. The movable portion is movably connected to the fixed portion, and carries an optical member. The top wall is perpendicular to an optical axis. The sidewalls extend from the top wall along the optical axis. The driving assembly drives the movable portion to move relative to the fixed portion, is electrically connected to the circuit component and partially disposed in the second containing space.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: December 21, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho, Shao-Chung Chang, Sin-Jhong Song
  • Optical element driving mechanism with stopping assembly
    Patent number: 11187965
    Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, a driving assembly, and a stopping assembly. The movable part is movably disposed on the fixed part, and the movable part is connected to a first optical element. The driving assembly is at least partially disposed on the fixed part. The stopping assembly is disposed between the movable part and the fixed part. The stopping assembly limits the range of motion of the movable part relative to the fixed part.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: November 30, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chao-Hsi Wang, Chih-Wei Weng, He-Ling Chang
  • Camera module and method for controlling the same
    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
  • Optical system
    Patent number: 11181669
    Abstract: An optical system is provided and includes a fixed assembly, a movable element and a driving module. The fixed assembly has a main axis. The movable element is movable relative to the fixed assembly and has a surface facing a first optical element. The driving module is configured to drive the movable element to move relative to the fixed assembly.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 23, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Chen-Er Hsu, Fu-Yuan Wu, Shou-Jen Liu, Chih-Wei Weng, Mao-Kuo Hsu, Hsueh-Ju Lu, Che-Hsiang Chiu
  • Multiple-lens camera system
    Patent number: 11175475
    Abstract: A multiple-lens camera system is provided, including a first lens driving module, a second lens driving module, and a shielding member. The first and second lens driving modules respectively include a frame, a lens holder movably disposed in the frame for holding a lens, a magnetic element disposed on a side of the lens holder and a driving board, wherein the driving board has a first coil corresponding to the magnetic element, to generate a magnetic force for moving the lens holder and the lens relative to the driving board. The shielding member is disposed in the first lens driving module and between the two magnetic elements of the first and second lens driving modules which are adjacent to each other, to suppress magnetic interference between the first and second lens driving modules.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: November 16, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Bing-Ru Song, Chih-Wei Weng, Shu-Shan Chen
  • Photosensitive element driving mechanism
    Patent number: 11178323
    Abstract: A photosensitive element driving mechanism includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is movable relative to the fixed assembly, and the first movable assembly is configured to be connected to a photosensitive element. The photosensitive element corresponds to an optical element. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly. The first movable assembly includes a heat dissipation structure corresponding to the first driving assembly, the optical element or the photosensitive element.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 16, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Liang-Ting Ho
  • Optical system
    Patent number: 11169429
    Abstract: An optical system is provided, including a light path adjustment module, an optical element driving module and a light flux adjustment module, The light path adjustment module is used for receiving light traveling in a first direction and adjusting the path of the light. The optical element driving module is used for receiving light. The light flux adjustment module is used for adjusting the light flux of the light, wherein the light flux adjustment module is disposed between the light path adjustment module and the optical element driving module.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: November 9, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
  • Light flux adjustment module
    Patent number: 11156899
    Abstract: A light flux adjustment module is provided for adjusting light flux of light having an optical axis, including a fixed portion, a connecting element, a first blade, and a drive assembly. The fixed portion includes a window, and the light passes through the window. The connecting element is movably connected to the fixed portion. The first blade is movably connected to the connecting element and the fixed portion, and the first blade is adjacent to the window. The drive assembly is used for driving the connecting element to move relative to the fixed portion in a first moving dimension. When the connecting element is moved relative to the fixed portion in the first direction, the first blade is driven by the connecting element to move relative to the fixed portion in a second moving dimension, and the first moving dimension and the second moving dimension are different.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: October 26, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Hsi Wang, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
  • Electromagnetic driving module
    Patent number: 11159080
    Abstract: An electromagnetic driving module is provided, including a first member, a second member movably connected to the first member, an electromagnetic driving assembly, and a film. The electromagnetic driving assembly includes a magnet and a coil respectively disposed on the first and second members, so as to move the second member relative to the first member. The film is disposed on a side of the magnet to reduce magnetic interference between the magnet and a magnetic element, wherein the magnetic permeability of the film is higher than the magnetic permeability of the first member.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: October 26, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Cheng-Kai Yu, Liang-Ting Ho, Shu-Shan Chen, Chao-Chang Hu
  • Optical element driving mechanism
    Patent number: 11131827
    Abstract: The present invention provides an optical element driving mechanism. The optical element driving mechanism includes a fixed part, a movable part and a driving assembly. The movable part is movably connected to the fixed part. The movable part includes a holder and a holder stopper. The holder carries the optical element. The holder includes a surface, a sidewall and a holder groove. The sidewall faces the optical element. The holder groove is disposed at the junction of the surface and the sidewall. The holder stopper protrudes from the surface along an optical axis of the optical element to limit a range of motion of the holder. The driving assembly drives the movable part to move relative to the fixed part.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 28, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Che-Wei Chang, Liang-Ting Ho, Sin-Jhong Song
  • Optical system
    Patent number: 11126068
    Abstract: An optical system is provided, including a fixed part, a movable part, a first optical element, a driving assembly, and a circuit assembly. The movable part is movable relative to the fixed part. The first optical element is connected to the movable part. The driving assembly is configured for driving the movable part to move relative to the fixed part. The circuit assembly is electrically connected to the driving assembly.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: September 21, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Sung-Mao Tsai, Liang-Ting Ho, Chih-Wei Weng, Chia-Che Wu, Sin-Jhong Song
  • Optical system
    Patent number: 11125920
    Abstract: An optical system is provided, including a first optical member driving mechanism, a second optical member driving mechanism, and a first fixing component. The first optical member driving mechanism includes a first fixed portion, a first movable portion, a plurality of elastic members, and a first driving module. Each of the elastic members is elastically connected to the first fixed portion and the first movable portion. The second optical member driving mechanism includes a second fixed portion, a second movable portion, and a second driving module. The second movable portion is movably connected to the second fixed portion. The second driving module can drive the second movable portion to rotate relative to the second fixed portion. The first fixing component affixes the first optical member driving mechanism to the second optical member driving mechanism.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 21, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hsien Fan, Chao-Chang Hu, Sung-Mao Tsai, Liang-Ting Ho, Chih-Wei Weng, Shiang-Ming Yu, Kuen-Wang Tsai, Sin-Jhong Song
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210278627
    Abstract: An optical element driving mechanism is provided in the present disclosure. The optical element driving mechanism includes a fixed portion, a movable portion, a driving assembly and a first connecting assembly. The movable portion is connected to an optical element. The movable portion moves relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion via the first connecting assembly.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 9, 2021
    Inventors: Yi-Ho CHEN, Chao-Chang HU, Mao-Kuo HSU, Shu-Shan CHEN, Chih-Wei WENG, Kai-Jing FU, Sung-Mao TSAI
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20210278624
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism is disposed on an electronic apparatus. The optical element driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, a circuit assembly, and a first position sensing assembly. The first movable portion is used for connecting to a first optical element. The first optical element is used for corresponding to light. The first movable portion is movable relative to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the fixed portion. The circuit assembly is used for electrically connected to the electronic apparatus. The first position sensing assembly is used for detecting the movement of the first movable portion relative to the fixed portion.
    Type: Application
    Filed: March 5, 2021
    Publication date: September 9, 2021
    Inventors: Ying-Jen WANG, Ya-Hsiu WU, Chen-Chi KUO, Chao-Chang HU, Yi-Ho CHEN, Che-Wei CHANG, Ko-Lun CHAO, Sin-Jhong SONG
  • Driving mechanism
    Patent number: 11106000
    Abstract: A driving mechanism for supporting an optical member is provided, including a base, a frame, a movable portion, a driving module, and an adhesive member. The base includes a plurality of first sidewalls, and at least one recess is formed on the first sidewalls. The frame includes a plurality of second sidewalls, and at least one opening is formed on the second sidewalls. The base and the frame form a hollow box, and the opening corresponds to the recess. The movable portion and the driving module are disposed in the hollow box. The driving module can drive the movable portion to move relative to the base. The adhesive member is accommodated in the opening and the recess, and extended along the first sidewalls. The adhesive member is disposed between the first sidewalls and the second sidewalls.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: August 31, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Bing-Ru Song, Yi-Ho Chen, Chia-Pin Hsu, Chih-Wei Weng, Shin-Hua Chen, Chien-Lun Huang, Chao-Chun Chang, Shou-Jen Liu, Kun-Shih Lin, Nai-Wen Hsu, Yu-Cheng Lin, Shang-Yu Hsu, Yu-Huai Liao, Yi-Hsin Nieh, Shih-Ting Huang, Kuo-Chun Kao, Fu-Yuan Wu
  • OPTICAL SYSTEM
    Publication number: 20210255369
    Abstract: An image capturing device is provided. The image capturing device includes an aperture unit, an image sensor, and a first lens unit. The first lens unit includes a first light-entering end and a first light-exiting end for focusing an external light on the image sensor. The aperture unit, the first lens unit, and the image sensor are sequentially arranged in a travel direction of the external light.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Chao-Chang HU, Che-Wei CHANG, Liang-Ting HO, Sin-Jhong SONG, Hsin-Yen WU
  • OPTICAL SYSTEM
    Publication number: 20210255368
    Abstract: An optical system is provided. The optical system includes a first optical module with a first light-entering hole, a second optical module with a second light-entering hole, and a third optical module with a third light-entering hole. The second light-entering hole is close to the first light-entering hole and the third light-entering hole. The focal length of the second optical module is different from the focal length of the first optical module and the focal length of the third optical module.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Chao-Chang HU, Che-Wei CHANG, Liang-Ting HO, Sin-Jhong SONG, Hsin-Yen WU
  • Camera module having electromagnetic driving assembly
    Patent number: 11095819
    Abstract: A camera module is provided, including a frame, a holder, an image sensor, a plate, an electromagnetic driving assembly, and an elastic element. The frame connects the holder with the plate. The holder is configured to sustain an optical lens, and the image sensor is disposed on the plate. The elastic element connects the frame with the plate. The electromagnetic driving assembly is disposed on the frame and the plate, and is configured to drive the plate and the image sensor to move with respect to the frame and the holder.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 17, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Fu-Yuan Wu, Kuo-Chun Kao
  • Optical system
    Patent number: 11092721
    Abstract: An optical system is provided, including a light source, a light shape adjusting element, a light guiding module, and a driving assembly. The light source emits a light beam in a first direction, and the light shape adjusting element changes a cross-section of the light beam from a first shape to a second shape. The light guiding module includes a base and a light guiding element connected to the base for changing the propagation direction of the light beam from the first direction to a second direction. The driving assembly drives the light guiding element to move relative to the base.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 17, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Mao-Kuo Hsu, Sin-Jhong Song
  • OPTICAL ELEMENT DRIVE MECHANISM
    Publication number: 20210247605
    Abstract: An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a first movable part, a first drive assembly, and a guidance assembly. The first movable part is movable relative to the immovable part. The first movable part is connected to a first optical element. The first drive assembly drives the first movable part to move relative to the immovable part. The guidance assembly guides the movement of the first movable part in the first dimension.
    Type: Application
    Filed: December 9, 2020
    Publication date: August 12, 2021
    Inventors: Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Chih-Wei WENG, Ying-Jen WANG