Patents by Inventor Kuo-Chun KAO

Kuo-Chun KAO 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).

  • Patent number: 11002891
    Abstract: An optical system is provided and includes a fixed assembly, a movable member, a driving assembly and a buffering member. The movable member is movably connected to the fixed assembly and is configured to hold an optical member having an optical axis. The driving assembly is for driving the movable member to move relative to the fixed assembly. The buffering member is disposed on a first surface of the fixed assembly. The buffering member, the movable member and the fixed assembly are arranged along the optical axis. The buffering member includes a soft resin material. The buffering member is disposed to surround the optical axis.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: May 11, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Kuo-Chun Kao, Meng-Ting Lin, I-Mei Huang, Sin-Jhong Song
  • Patent number: 10969561
    Abstract: A driving mechanism for moving an optical element is provided, including a housing, a frame, a holder, and a driving assembly. The frame is fixed to the housing and forms a depressed surface adjacent to the housing. Specifically, the depressed surface faces the housing and is not in contact with the housing. The holder is movably disposed in the housing for holding the optical element. The drive assembly is disposed in the housing to drive the holder and the optical element to move relative to the frame.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: April 6, 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
  • Patent number: 10955641
    Abstract: A driving mechanism is provided, including a case, a holder and a driving module. The holder is disposed in the case for holding an optical member. The driving module is disposed in the case for driving the holder. The case is substantially quadrilateral and includes a first side and a second side. The driving module includes a first magnetic driving component winding on a periphery of the holder. The first magnetic driving component includes a first segment and a second segment that are respectively substantially parallel to the first side and the second side. The distance between the first segment and the first side is different from the distance between the second segment and the second side.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 23, 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
  • Patent number: 10935701
    Abstract: An optical system is provided, including a liquid optical module and a first optical module. The liquid optical module includes a liquid lens driving mechanism and a liquid lens assembly. The liquid lens driving mechanism includes a fixed portion, a movable portion and a first driving assembly configured to drive the movable portion to move relative to the fixed portion. The liquid lens assembly includes a liquid lens element, a fixing member and a deforming member. The first optical module is disposed in a receiving space of the fixed portion and includes: a first optical element and a first optical driving mechanism. When the movable portion is driven by the driving assembly to move relative to the fixed portion, the liquid lens element is deformed via the deforming member, causing the optical properties of the liquid lens element to change.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Kuo-Chun Kao, Meng-Ting Lin, I-Mei Huang, Sin-Jhong Song
  • Patent number: 10935808
    Abstract: An electromagnetic driving module is provided which includes a frame, a magnetic element, a base, and an OIS driving coil. The frame surrounds a main axis. The magnetic element is disposed on the frame and has an engaging surface in contact with the frame. The base is arranged to be adjacent to the frame. The OIS driving coil for driving the movement of the frame in a direction that is perpendicular to the main axis is disposed on the base and arranged to correspond to the magnetic element.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Ho Chen, Kuo-Chun Kao, Yi-Hsin Nieh
  • Patent number: 10921494
    Abstract: A liquid optical module is provided, including a liquid lens driving mechanism and a liquid lens assembly. The liquid lens driving mechanism includes a fixed portion, a movable portion and a driving assembly. The movable portion is movably connected to the fixed portion. The liquid lens assembly includes a liquid lens element, a fixing member and a deforming member. The fixing member is disposed on a first fixed portion surface of the fixed portion, and the deforming member is disposed on a movable portion surface of the movable portion. The movable portion surface and the first fixed portion surface face the same direction, and when the movable portion is driven by the driving assembly to move relative to the fixed portion, the liquid lens element is deformed by the deforming member, causing the optical properties of the liquid lens element to change.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: February 16, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Kuo-Chun Kao, Meng-Ting Lin, I-Mei Huang, Sin-Jhong Song
  • Patent number: 10840792
    Abstract: An electromagnetic driving mechanism is provided, including a housing, a circuit unit, an electromagnetic driving assembly, and a sensing element. The circuit unit is connected to the housing, and has a plastic material and a circuit element. The plastic material is formed on and covers an outer surface of the circuit element by insert molding. The electromagnetic driving assembly is disposed in the housing for forcing an optical element to move relative to the circuit unit. The sensing element is disposed on the circuit unit, and electrically connected to the circuit element for detecting the displacement of the optical element relative to the circuit unit.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 17, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Kuo-Chun Kao, Nai-Wen Hsu, Shih-Ting Huang, Yi-Hsin Nieh, Meng-Ting Lin
  • Patent number: 10764475
    Abstract: A driving mechanism is provided, including a housing, a hollow frame, a holder, and a driving assembly. The frame is fixed to the housing and has a stop surface. The holder is movably disposed in the housing for holding the optical element. The driving assembly is disposed in the housing to drive the holder and the optical element moving along the optical axis of the optical element relative to the frame. Specifically, the stop surface is parallel to the optical axis to contact the holder and restrict the holder in a limit position.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 1, 2020
    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
  • Patent number: 10750065
    Abstract: An optical system is provided and includes a fixed module, a movable module, a driving assembly and a plurality of sliding members. The fixed module includes a base. The movable module includes an optical member holder and a driving frame unit. The optical member holder is configured to hold an optical member, and the driving frame unit is connected to the optical member holder. The driving assembly includes at least one first magnetic element and at least one second magnetic element. The second magnetic element corresponds to the first magnetic element and is configured to drive the driving frame unit with the optical member holder to move relative to the base. The sliding members are securely disposed on the fixed module or the movable module, so that the movable module is able to slide relative to the fixed module.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: August 18, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kuo-Chun Kao, Sin-Jhong Song
  • Patent number: 10684447
    Abstract: The disclosure provides an optical driving mechanism, including a frame body, a holding member, a plate coil and a magnet. The holding member is movably disposed in the frame body and configured to hold an optical element. The plate coil is disposed on the holding member. The magnet is disposed on the frame body and corresponds to the plate coil. The plate coil acts with the magnet to generate an electromagnetic force to drive the holding member and the optical element to move along an optical axis of the optical element relative to the frame body.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: June 16, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kuo-Chun Kao, Nai-Wen Hsu, Shih-Ting Huang, Shao-Chung Chang, Sin-Jhong Song
  • Publication number: 20200116972
    Abstract: An optical system includes a base, a first lens driving module, and a second lens driving module. The first lens driving module includes a first lens holder, a first magnet, and a first coil. The first lens holder is configured to hold a first optical element. The first coil corresponding to the first magnet is configured to drive the first lens holder to move relative to the base. The second lens driving module includes a second lens holder, a second magnet, and a second coil. The second lens holder is configured to hold a second optical element. The second coil corresponding to the second magnet is configured to drive the second lens holder to move relative to the base. The first magnet is disposed between the first and second lens holders, and no other magnet is disposed between the first and second lens holders except the first magnet.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Inventors: Fu-Yuan WU, Kuo-Chun KAO, Nai-Wen HSU, Shih-Ting HUANG, Shao-Chung CHANG, Sin-Jhong SONG
  • Publication number: 20200068055
    Abstract: The disclosure provides an optical member driving mechanism including a movable portion, a fixed portion, a driving assembly and a circuit assembly. The movable portion is configured to connect an optical member with an optical axis. The fixed portion includes a base, wherein the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly and includes a circuit element, wherein the optical axis passes through an opening of the base, and the circuit element at least partially extends to the opening.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 27, 2020
    Inventors: Chao-Chang HU, Shih-Ting HUANG, Kuo-Chun KAO, Yi-Hsin NIEH
  • Publication number: 20200041756
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part and a fixed part. The movable part holds an optical element with an optical axis and moves relative to the fixed part. The fixed part includes a bottom unit, which is integrally formed. The bottom unit includes a base member, a circuit member, and a driving coil assembly. The driving coil assembly is electrically connected to the circuit member. The circuit member and the driving coil assembly are located at the base member. The driving coil assembly includes a connection wire, a plurality of first driving coils, and a plurality of second driving coils. The first driving coils are connected via the connection wire. The second driving coils are located between the first driving coils and the circuit member. When viewed along a direction that is perpendicular to the optical axis, the second driving coils partially overlap the connection wire.
    Type: Application
    Filed: July 12, 2019
    Publication date: February 6, 2020
    Inventors: Kuo-Chun KAO, Meng-Ting LIN, Wei-Han HSIA, Sin-Jhong SONG
  • Patent number: 10541592
    Abstract: An electromagnetic driving device is provided, which includes a stationary member, an OIS driving circuit, a movable member, and a protection member. The OIS driving coil is disposed on the stationary member. The movable member is disposed in the stationary member and includes a frame and a magnetic element. The frame surrounds a main axis. The magnetic element is disposed on the frame and faces the OIS driving coil in a direction that is parallel to the main axis. The protection element is disposed on a side of the magnetic element that is away from the main axis and is in contact with the magnetic element. In addition, in a direction that is perpendicular to the main axis, the protection element faces the stationary member and is spaced apart from the stationary member by a distance.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: January 21, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Ichitai Moto, Shih-Ting Huang, Kuo-Chun Kao, Yu-Huai Liao
  • Patent number: 10539759
    Abstract: An optical system includes a base, a first lens driving module, and a second lens driving module. The first lens driving module includes a first lens holder, a first magnet, and a first coil. The first lens holder is configured to hold a first optical element. The first coil corresponding to the first magnet is configured to drive the first lens holder to move relative to the base. The second lens driving module includes a second lens holder, a second magnet, and a second coil. The second lens holder is configured to hold a second optical element. The second coil corresponding to the second magnet is configured to drive the second lens holder to move relative to the base. The first magnet is disposed between the first and second lens holders, and no other magnet is disposed between the first and second lens holders except the first magnet.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 21, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kuo-Chun Kao, Nai-Wen Hsu, Shih-Ting Huang, Shao-Chung Chang, Sin-Jhong Song
  • Publication number: 20190394401
    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: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Inventors: Chao-Chang HU, Fu-Yuan WU, Kuo-Chun KAO
  • Patent number: D891504
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 28, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kun-Shih Lin, Shang-Yu Hsu, Yi-Ho Chen, Shih-Ting Huang, Shou-Jen Liu, Chien-Lun Huang, Yi-Hsin Nieh, Chen-Chi Kuo, Chia-Pin Hsu, Yu-Huai Liao, Shin-Hua Chen, Yu-Cheng Lin, Shao-Chung Chang, Kuo-Chun Kao, Chia-Hsiu Liu, Chao-Chun Chang, Yuan-Shih Liao
  • Patent number: D902981
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 24, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kun-Shih Lin, Shang-Yu Hsu, Yi-Ho Chen, Shih-Ting Huang, Shou-Jen Liu, Chien-Lun Huang, Yi-Hsin Nieh, Chen-Chi Kuo, Chia-Pin Hsu, Yu-Huai Liao, Shin-Hua Chen, Yu-Cheng Lin, Shao-Chung Chang, Kuo-Chun Kao, Chia-Hsiu Liu, Chao-Chun Chang, Yuan-Shih Liao
  • Patent number: D902982
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 24, 2020
    Assignee: TDK TAIWAN CORP.
    Inventors: Fu-Yuan Wu, Kun-Shih Lin, Shang-Yu Hsu, Yi-Ho Chen, Shih-Ting Huang, Shou-Jen Liu, Chien-Lun Huang, Yi-Hsin Nieh, Chen-Chi Kuo, Chia-Pin Hsu, Yu-Huai Liao, Shin-Hua Chen, Yu-Cheng Lin, Shao-Chung Chang, Kuo-Chun Kao, Chia-Hsiu Liu, Chao-Chun Chang, Yuan-Shih Liao
  • Patent number: D908775
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 26, 2021
    Assignee: TDK Taiwan Corp.
    Inventors: Fu-Yuan Wu, Kun-Shih Lin, Shang-Yu Hsu, Yi-Ho Chen, Shih-Ting Huang, Shou-Jen Liu, Chien-Lun Huang, Yi-Hsin Nieh, Chen-Chi Kuo, Chia-Pin Hsu, Yu-Huai Liao, Shin-Hua Chen, Yu-Cheng Lin, Shao-Chung Chang, Kuo-Chun Kao, Chia-Hsiu Liu, Chao-Chun Chang, Yuan-Shih Liao