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 and camera device
    Patent number: 10887498
    Abstract: An optical member driving mechanism for driving an optical member is provided, including a fixed portion, a movable portion, and a driving module. The movable portion can support the aforementioned optical member, and the driving module can drive the movable portion to rotate relative to the fixed portion around a rotating axis, wherein the rotating axis is different from the optical axis of the optical member. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly, and the optical axis is disposed therebetween. The first electromagnetic driving assembly and the second electromagnetic driving assembly are disposed on a side of the movable portion, and are electrically independent.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 5, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • DRIVING MECHANISM FOR OPTICAL ELEMENT
    Publication number: 20200393636
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a support element. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is disposed on the fixed portion or the movable portion. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The movable portion is connected to the fixed portion through the support element.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Sung-Mao TSAI, Chia-Che WU
  • OPTICAL SYSTEM
    Publication number: 20200393637
    Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a fixed portion, a movable portion, a driving assembly, and a circuit assembly. The movable portion is movably connected to the fixed portion, and the movable portion is used to connect to an optical element. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Jungsuck RYOO, Pai-Jui CHENG, Chao-Chang HU, Min-Hsiu TSAI, Shu-Shan CHEN, Chieh-An CHANG
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200393635
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a main axis. The movable portion is movably disposed on the fixed portion. The movable portion is connected to an optical element. The driving assembly is used for driving the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: June 12, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200393641
    Abstract: An optical element driving mechanism is provided, including a fixed portion, a movable portion, a driving assembly, and a stopping assembly. The movable portion is movably connected to the fixed portion, wherein the movable portion is used for connecting to an optical element having a main axis. The driving assembly is disposed on the fixed portion or the movable portion, and the driving assembly is used for driving the movable portion to move relative to the fixed portion. The stopping assembly is connected to the movable portion and the fixed portion.
    Type: Application
    Filed: April 10, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200393667
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a limiting portion. The movable portion is movably disposed on the fixed portion and includes an optical element and a connecting assembly. The optical element has a main axis. The connecting assembly is connected to the optical element. The driving assembly is at least partially disposed on the fixed portion, wherein the limiting portion is used for limiting the range of motion of the movable portion relative to the fixed portion.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Chih-Wei WENG, Kuen-Wang TSAI
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200393639
    Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and a support element. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is used for driving the movable portion to move relative to the fixed portion. The movable portion moves relative to the fixed portion through the support element.
    Type: Application
    Filed: April 9, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200393640
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and a stopping assembly. The movable portion is used for connecting to an optical element having a main axis. The movable portion is movable relative to the fixed portion. The driving assembly is disposed on the fixed portion or the movable portion to move the movable portion relative to the fixed portion. The stopping assembly connects to the movable portion and the fixed portion to limit the range of motion of the movable portion relative to the fixed portion.
    Type: Application
    Filed: April 10, 2020
    Publication date: December 17, 2020
    Inventors: Chao-Chang HU, Shu-Shan CHEN, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Sung-Mao TSAI, Shang-Hung CHEN
  • OPTICAL ELEMENT DRIVING MECHANISM
    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
  • Optical system
    Patent number: 10866385
    Abstract: An optical system is provided and includes a fixed part, a first optical member holder, a second optical member holder and a first driving assembly. The first optical member holder is configured to hold a first optical member and is disposed over the fixed part. The second optical member holder is configured to hold a second optical member and is movably connected to the first optical member holder. The first driving assembly is configured to drive the first optical member holder to move relative to the fixed part.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: December 15, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Shao-Kuang Huang, Sin-Jhong Song
  • LENS DRIVING DEVICE
    Publication number: 20200379271
    Abstract: A lens driving device is provided, including a base, a holder, a first driving mechanism disposed on the first side of the base, a second driving mechanism disposed on the second side of the base opposite the first side, and a conductive member disposed on the base. The holder is configured to sustain a lens. The first driving mechanism is configured to force the holder to move along the optical axis of the lens. The second driving mechanism includes a circuit board assembly and a shape memory alloy (SMA) wire assembly configured to force the base to move in the plane perpendicular to the optical axis. The conductive member and the circuit board assembly are connected at an electrical connection point, and the SMA wire assembly is closer to the light-incident end of the lens with respect to the electrical connection point.
    Type: Application
    Filed: August 14, 2020
    Publication date: December 3, 2020
    Inventors: Chao-Chang HU, Chen-Chi KUO
  • Camera device
    Patent number: 10852458
    Abstract: A camera device is provided, including a liquid lens, a deforming member, and a first driving module. The deforming member is disposed adjacent to the liquid lens, and the first driving module can generate relative motion between the liquid lens and the deforming member. In response to the adjustment of the distance between the liquid lens and the deforming member, the deforming member deforms the liquid lens.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: December 1, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wei Weng
  • CAMERA SYSTEM
    Publication number: 20200371319
    Abstract: A camera system including a telephoto lens module is provided. The telephoto lens module includes a first image sensor, a first assembly, and a second assembly. The first assembly includes a first driving mechanism and a reflecting member connected to the first driving mechanism. The first driving mechanism is configured to drive the reflecting member to rotate around a first axis and a second axis. The second assembly is disposed between the first assembly and the first image sensor, including a second driving mechanism and a first lens. The second driving mechanism is configured to drive the first lens to move along a third axis. The first, second, and third axes are not parallel to each other. When light enters the telephoto lens along the first axis, light is reflected by the reflecting member and through the first lens along the third axis to the first image sensor.
    Type: Application
    Filed: August 14, 2020
    Publication date: November 26, 2020
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Cheng-Kai YU, Chih-Wei WENG, Shu-Shan CHEN
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200363699
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The movable portion is movably disposed on the fixed portion. The driving assembly is disposed on the fixed portion and drives the movable portion to move relative to the fixed portion.
    Type: Application
    Filed: April 8, 2020
    Publication date: November 19, 2020
    Inventors: Chao-Hsi WANG, Chao-Chang HU, Kuen-Wang TSAI, Chih-Wei WENG, Sin-Jhong SONG
  • Multi-directional vibration actuator
    Patent number: 10833558
    Abstract: The present disclosure provides a vibration device, including a stator, an eccentric wheel and an electromagnetic driving assembly. The eccentric wheel rotates around a rotating shaft relative to the stator. The electromagnetic driving assembly includes at least one magnetic element and an induction coil. The at least one magnetic element is disposed on the eccentric wheel. The induction coil corresponds to the magnetic element, and the induction coil is disposed on the stator. When a current is applied to the induction coil, the induction coil acts with the magnetic element to generate an electromagnetic force to drive the eccentric wheel to rotate around the rotating shaft, so that the vibration device generates a vibration. The rotating shaft is disposed on the stator.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: November 10, 2020
    Assignee: TDK Taiwan Corp.
    Inventors: Chao-Chang Hu, Che-Wei Chang
  • DRIVING MECHANISM
    Publication number: 20200348488
    Abstract: A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Liang-Ting HO, Cheng-Kai YU, Chao-Chang HU, Chih-Wei WENG, Che-Wei CHANG
  • LENS DRIVING SYSTEM AND CIRCUIT MODULE THEREOF
    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
  • OPTICAL ELEMENT DRIVING MECHANISM
    Publication number: 20200333554
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a driving assembly, and a circuit unit. The movable portion is movably connected to the fixed portion, and holds an optical element. The driving assembly drives the movable portion to move relative to the fixed portion. The circuit unit includes a base, a plate-connecting portion, and a layer-connecting portion. The plate-connecting portion is partially embedded in the base. The layer-connecting portion is disposed on the base. The driving assembly is electrically connected to the layer-connecting portion. The thickness of the plate-connecting portion is different from the thickness of the layer-connecting portion.
    Type: Application
    Filed: February 24, 2020
    Publication date: October 22, 2020
    Inventors: Chao-Chang HU, Liang-Ting HO, You-Zhen LIN, Sin-Jhong SONG
  • CAMERA MODULE OPTICAL SYSTEM
    Publication number: 20200336629
    Abstract: A camera module optical system is provided, having a main axis, including an optical module and an adjustment assembly. The optical module is configured to hold an optical element having an optical axis. The adjustment assembly is configured to adjust the optical axis of the optical module parallel to the main axis. The optical module and the adjustment assembly are arranged along the main axis, wherein the adjustment assembly does not overlap the optical module when viewed in a first direction that is perpendicular to the main axis.
    Type: Application
    Filed: January 14, 2020
    Publication date: October 22, 2020
    Inventors: Chao-Chang HU, Chih-Wei WENG, Shu-Shan CHEN, Yung-Hsien YEH, Sin-Jhong SONG
  • METHOD OF ADJUSTING OPTICAL SYSTEM
    Publication number: 20200333687
    Abstract: A method for adjusting an optical system is provided, including a positioning device positioning a first optical module; a measuring device measuring an angular difference between a main axis of the first optical module and an optical axis of an optical element sustained by the first optical module to obtain a measurement information; an adjusting device changing the shape of an adjustment assembly of the first optical module according to the measurement information; and assembling the first optical module with an optical object, wherein the optical axis of the optical element is parallel to a central axis of the optical object.
    Type: Application
    Filed: January 14, 2020
    Publication date: October 22, 2020
    Inventors: Chao-Chang HU, Chih-Wei WENG, Shu-Shan CHEN, Yung-Hsien YEH, Sin-Jhong SONG