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).

  • Publication number: 20240069299
    Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. 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 in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Inventors: Chao-Chang HU, Kuen-Wang TSAI, Liang-Ting HO, Chao-Hsi WANG, Chih-Wei WENG, He-Ling CHANG, Che-Wei CHANG, Sheng-Zong CHEN, Ko-Lun CHAO, Min-Hsiu TSAI, Shu-Shan CHEN, Jungsuck RYOO, Mao-Kuo HSU, Guan-Yu SU
  • Patent number: 11914116
    Abstract: An optical system for receiving rays of light is provided in the present disclosure, including a first optical module. The first optical module includes a first optical element and a first optical path-adjusting element. The first optical element has a first optical axis. The rays of light pass through the first optical element in a first direction. The first optical path-adjusting element corresponds to the first optical element. The rays of light are redirected to a second direction by the first optical path-adjusting element. The first optical element and the first optical path-adjusting element are arranged along the first optical axis.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: February 27, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chih-Wei Weng, Chao-Chang Hu
  • Publication number: 20240061266
    Abstract: An optical system is provided, including a light source, a fixed portion, an optical assembly, and a driving assembly. The light source is used for generating light. The optical assembly has an equivalent focal length to the light. The optical assembly includes a first optical element and a second optical element. The driving assembly is used for driving the second optical element to move relative to the first optical element. When the second optical element is at a first position, the equivalent focal length is a first focal length. When the second optical element is at a second position, the equivalent focal length is a second focal length. The first focal length and the second focal length are different.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Inventors: Chao-Chang HU, Chih-Wei WENG
  • Patent number: 11906810
    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: Grant
    Filed: March 5, 2021
    Date of Patent: February 20, 2024
    Assignee: TDK TAIWAN CORP.
    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
  • Patent number: 11899274
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: February 13, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chien-Yu Kao
  • Publication number: 20240045171
    Abstract: An optical system is provided. The optical system includes an immovable part, a second movable part, a second drive mechanism, and a second circuit mechanism. The second movable part is used for connecting to a second optical element. The second movable part is movable relative to the immovable part. The second drive mechanism is used for driving the second movable part to move relative to the immovable part. The second circuit mechanism is electrically connected to the second drive mechanism.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventors: Chan-Jung HSU, I-Mei HUANG, Yi-Ho CHEN, Shao-Chung CHANG, Ichitai MOTO, Chen-Chi KUO, Ying-Jen WANG, Ya-Hsiu WU, Wei-Jhe SHEN, Chao-Chang HU, Che-Wei CHANG, Sin-Jhong SONG, Shu-Shan CHEN, Chih-Wei WENG, Chao-Hsi WANG
  • Patent number: 11892656
    Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the optical member holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: February 6, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Cheng-Kai Yu
  • Patent number: 11892657
    Abstract: An optical system is provided and includes a fixed module, a movable module, a driving coil, a sensing unit and a driving assembly. The fixed module includes an outer frame, and the movable module includes an optical member holder, configured to hold an optical member. The sensing unit is configured to obtain information related to a first rotation angle of the holder when rotating around a first axis relative to the outer frame and a second rotation angle of the optical member holder when rotating around a second axis relative to the outer frame. The driving assembly is for driving the optical member holder to rotate around the first axis or the second axis according to the information related to the first rotation angle and the second rotation angle. The first axis or the second axis is perpendicular to an optical axis of the optical member.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: February 6, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Cheng-Kai Yu
  • Patent number: 11888374
    Abstract: An optical element driving mechanism is provided, including a movable portion, a fixed portion, a driving assembly, and an assisting 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 movable portion or the fixed portion for driving the movable portion to move relative to the fixed portion. The movable portion is movably connected to the fixed portion through the assisting assembly.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: January 30, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Shang-Hung Chen, He-Ling Chang, Chih-Wei Weng
  • Publication number: 20240027727
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Chih-Wen CHIANG, Chien-Yu KAO
  • Patent number: 11880090
    Abstract: An optical element driving mechanism is provided, including a movable part for connecting an optical element; a fixed part, wherein the movable part can move relative to the fixed part; a driving assembly for driving the movable part to move relative to the fixed part; and a supporting assembly, wherein the movable part can move relative to the fixed part in multiple dimensions via the supporting assembly.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: January 23, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Che-Wei Chang, Chih-Wei Weng, Chia-Che Wu, Mao-Gen Jian, Chien-Yu Kao, Sung-Mao Tsai
  • Publication number: 20240019712
    Abstract: An optical element driving mechanism is provided, including a movable part, a fixed part, a driving assembly, and a circuit assembly. The movable part is connected to an optical element. The movable part is movable relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part. The circuit assembly is electrically connected to the driving assembly.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Chen-Hung CHAO, Po-Xiang ZHUANG, Chao-Chang HU, Yi-Ho CHEN, Shou-Jen LIU
  • Publication number: 20240019658
    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 pressure assembly. The movable part connects an optical element. The movable part moves relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part, and the pressure assembly exerts a first pre-pressure onto the movable part.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Yu-Chiao LO, Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Mao-Gen JIAN, Yi-Ho CHEN, Chao-Chang HU
  • Publication number: 20240019705
    Abstract: An optical system is provided. The optical system includes an image source assembly, a light-guiding element, and a first optical element. The image source assembly is used for providing light. The light-guiding element is used for transmitting the light. The first optical element is disposed between the image source assembly and the light-guiding element and used for adjusting a path of the light.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 18, 2024
    Inventors: Chih-Wei WENG, Chao-Chang HU, Yung-Hsien YEH
  • Publication number: 20240012234
    Abstract: A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, and a driving assembly configured to impel the movable part relative to the fixed part, so that the driving mechanism is switchable between an open state and a closed state. The fixed part has a plurality of holes. When the driving mechanism is in the open state, light propagates through the driving mechanism via the holes, and when the driving mechanism is in the closed state, the holes are blocked by the movable part.
    Type: Application
    Filed: July 7, 2022
    Publication date: January 11, 2024
    Inventors: Chao-Hsi WANG, Kuen-Wang TSAI, Chih-Wei WENG, Chao-Chang HU
  • Publication number: 20240012310
    Abstract: A lens module is provided. The lens module includes a first optical element, a first moveable unit, a base and a first driving module. The first optical element is disposed on the first moveable unit. The first driving module is disposed on the base. The first driving module is connected to the first moveable unit. The first driving module is adapted to move the first moveable unit relative to the base.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 11, 2024
    Inventors: Shu-Shan CHEN, Chao-Chang HU
  • Patent number: 11867969
    Abstract: An optical element driving mechanism has an optical axis and includes a fixed portion, a movable portion, and a driving assembly. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The driving assembly moves in a first direction to move the movable portion in a second direction, wherein the first direction is different from the second direction.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: January 9, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Jungsuck Ryoo, Chieh-An Chang, Min-Hsiu Tsai, Chao-Chang Hu, Shu-Shan Chen, Pai-Jui Cheng, Chao-Hsi Wang
  • Publication number: 20240004266
    Abstract: An optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, a guiding assembly, and a metallic member. The movable portion is configured to connect an optical element. The optical element is configured to correspond to light reflected by a reflection element, and the reflection element is configured to change a traveling direction of the light from an incident direction to a first direction. The fixed portion includes a base, and 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 guiding assembly includes a plurality of guiding elements. The metallic member is disposed in the base. When viewed from the incident direction, the metallic member is at least partially located between the guiding elements.
    Type: Application
    Filed: September 19, 2023
    Publication date: January 4, 2024
    Inventors: Cheng-Kai YU, Chen-Hsien FAN, Chao-Chang HU, Shu-Shan CHEN, Chih-Wei WENG
  • Patent number: 11863849
    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: Grant
    Filed: June 12, 2020
    Date of Patent: January 2, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan
  • Patent number: 11860443
    Abstract: An optical system is provided. The optical system includes a fixed portion and a movable portion. The movable portion is movable relative to the fixed portion and includes: a first movable portion and a second movable portion. The first movable portion is configured to connect a first optical element. The second movable portion is configured to connect a second optical element and is movable relative to the first movable portion. The movable portion also includes a third optical element disposed corresponding to the first optical element and the second optical element. Light passes through the first optical element, the second optical element and the third optical element.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: January 2, 2024
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chih-Wei Weng, Shu-Shan Chen, Chao-Hsi Wang