Patents by Inventor Chen-Hsien FAN

Chen-Hsien FAN 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: 11689788
    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: Grant
    Filed: April 9, 2020
    Date of Patent: June 27, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
  • Patent number: 11678036
    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: Grant
    Filed: April 10, 2020
    Date of Patent: June 13, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
  • Publication number: 20230171495
    Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.
    Type: Application
    Filed: January 26, 2023
    Publication date: June 1, 2023
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Sung-Mao TSAI, Yueh-Lin LEE, Yu-Chiao LO, Mao-Kuo HSU, Ching-Chieh HUAN, Yi-Chun CHENG
  • Patent number: 11665411
    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: Grant
    Filed: April 10, 2020
    Date of Patent: May 30, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Sung-Mao Tsai, Shang-Hung Chen
  • Publication number: 20230161131
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, and a plurality of second guiding members. The first movable portion is configured to connect an optical member. The optical member is used for adjusting a direction of a light from an incident direction to an outgoing direction. The first movable portion can move relative to the fixed portion. The first driving assembly is configured to drive the first movable portion to move relative to the fixed portion. The second guiding members include a first ball, a second ball, and a third ball. The first ball, the second ball, and the third ball are disposed in a plane that is perpendicular to the incident direction.
    Type: Application
    Filed: January 20, 2023
    Publication date: May 25, 2023
    Inventors: Chih-Wei WENG, Chao-Chang HU, Yueh-Lin LEE, Chen-Hsien FAN, Chien-Yu KAO, Chia-Ching HSU, Sung-Mao TSAI, Sin-Jhong SONG
  • Patent number: 11656531
    Abstract: An optical element driving mechanism is provided, including an immovable part, a movable part, a driving assembly, and an elastic assembly. The movable part is movable relative to the immovable part. The movable part accommodates an optical element. The driving assembly drives the movable part to move relative to the immovable part. The elastic assembly is elastically connected to the immovable part and the movable part. The elastic assembly includes a base and a plurality of wires. The base includes a first portion extending along a first direction. Each of the wires includes a second portion extending along the first direction. The second portions are at least partially disposed on the first portion. The second portions at least partially overlap with each other as observed from a second direction that is not parallel with the first direction. The second portions are arranged along the second direction.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: May 23, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Publication number: 20230136025
    Abstract: An optical element driving mechanism is provided and includes a movable portion and a fixed portion. The movable portion includes a carrier for carrying an optical member with a first optical axis. The fixed portion has a top surface, a first side surface and a second side surface. The top surface extends in a direction that is parallel to the first optical axis. The first side surface and the second side surface extend in a direction that is not parallel to the first optical axis from the edge of the top surface and face different sides of the optical member. The shortest distance between the optical member and the first side surface is shorter than the shortest distance between the optical member and the second side surface. The optical element driving mechanism includes a noise-reducing structure configured to avoid a noise entering a photosensitive member.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Inventors: Chien-Yu KAO, Chen-Hsien FAN, Chih-Wei WENG, Chao-Chang HU, Che-Wei CHANG
  • Patent number: 11630280
    Abstract: An optical element driving mechanism is provided, including a fixed part, a movable part, a driving assembly and a supporting assembly. The movable part is movable relative to the fixed part, and is connected to an optical element. The driving assembly drives the movable part to move relative to the fixed part. The movable part is movable relative to the fixed part in a moving range via the supporting assembly.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: April 18, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chia-Che Wu, Yu-Chiao Lo
  • Patent number: 11630319
    Abstract: A lens unit is provided, including a casing, a carrier, an optical lens, a first driving assembly, and a second driving assembly. The carrier is movably disposed in the casing, and the optical lens is disposed on the carrier. The first and second driving assemblies are provided to drive the carrier and the optical lens respectively to move along a first axis and a second axis relative to the casing. Specifically, when viewed along a direction perpendicular to an optical axis of the lens unit, the first and second driving assemblies do not overlap.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 18, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Cheng-Kai Yu, Chih-Wei Weng, Shu-Shan Chen
  • Patent number: 11627241
    Abstract: An optical mechanism is provided for receiving a light that is reflected by a reflecting element. The optical mechanism includes a movable portion, a fixed portion, and a driving module. The movable portion is movable relative to the fixed portion for receiving an optical member that defines an optical axis. The driving module includes a first electromagnetic driving assembly and a second electromagnetic driving assembly for driving the movable portion to move relative to the fixed portion. The optical axis is located between the first electromagnetic driving assembly and second electromagnetic driving assembly when viewed from the optical axis, and the first electromagnetic driving assembly and the second electromagnetic driving assembly are electrically independent from each other.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: April 11, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Patent number: 11601595
    Abstract: A control method of a driving mechanism is provided, including: the driving mechanism provides a first electrical signal from a control assembly to the driving mechanism to move the movable portion into an initial position relative to the fixed portion, wherein the control assembly includes a control unit and a position sensing unit; the status signal of an inertia sensing unit is read; the control unit sends the status signal to the control unit to calculate a target position; the control unit provides a second electrical signal to the driving assembly according to the target position for driving the driving assembly; a position signal is sent from the position sensing unit to the control unit; the control unit provides a third electric signal to the driving assembly to drive the driving assembly according the position signal.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: March 7, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Sung-Mao Tsai, Yueh-Lin Lee, Yu-Chiao Lo, Mao-Kuo Hsu, Ching-Chieh Huang, Yi-Chun Cheng
  • 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: 11586002
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism includes a movable portion and a fixed portion. The movable portion includes a holder for holding an optical member with an optical axis. The movable portion is movable relative to the fixed portion. The fixed portion has a housing and a base. The housing is disposed on the base, and includes a top surface and a side surface. The top surface extends in a direction that is parallel to the optical axis. The side surface extends from an edge of the top surface in a direction that is not parallel to the optical axis. The side surface has a rectangular opening.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 21, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chih-Wei Weng, Chao-Chang Hu, Yueh-Lin Lee, Chen-Hsien Fan, Chien-Yu Kao, Chia-Ching Hsu, Sung-Mao Tsai, Sin-Jhong Song
  • Patent number: 11579398
    Abstract: An optical element driving mechanism is provided and includes a movable portion and a fixed portion. The movable portion includes a carrier for carrying an optical member with a first optical axis. The fixed portion has a top surface, a first side surface and a second side surface. The top surface extends in a direction that is parallel to the first optical axis. The first side surface and the second side surface extend in a direction that is not parallel to the first optical axis from the edge of the top surface and face different sides of the optical member. The shortest distance between the optical member and the first side surface is shorter than the shortest distance between the optical member and the second side surface.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 14, 2023
    Assignee: TDK TAIWAN CORP.
    Inventors: Chien-Yu Kao, Chen-Hsien Fan, Chih-Wei Weng, Chao-Chang Hu, Che-Wei Chang
  • Publication number: 20230038826
    Abstract: An optical mechanism is provided, including an optical member, a fixed portion, and a holder. The optical member has a first optical lens and a second optical lens, wherein the first and second optical lenses define an optical axis, and the first optical lens is larger than the second optical lens. The holder is movably connected to the fixed portion and configured to support the optical member, wherein the holder has an end surface facing the first optical lens, and the end surface is not parallel to the optical axis.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 9, 2023
    Inventors: Chao-Chang HU, Chen-Hsien FAN
  • Publication number: 20220397741
    Abstract: An optical element driving mechanism is provided, including a body, a first driving assembly, a second driving assembly, and an optical element. The body includes a fixed portion, a movable portion, and a connecting element. The movable portion is movable relative to the fixed portion. The connecting element connects the fixed portion to the movable portion. The first driving assembly that is disposed on a first side drives the movable portion to perform a first motion. The second driving assembly that is disposed on the first side drives the movable portion to perform a second motion. The optical element is connected to the movable portion, including an incident surface and an emissive surface, wherein the incident surface is orthogonal to the emissive surface. The first side is not parallel to the incident surface or the emissive surface.
    Type: Application
    Filed: June 9, 2022
    Publication date: December 15, 2022
    Inventors: Chen-Hsien FAN, Sin-Jhong SONG
  • Patent number: 11520160
    Abstract: An optical module is provided. The optical module includes a first optical element driving mechanism. The first optical element driving mechanism includes a first movable portion, a first fixed portion, and a first driving assembly. The first movable portion connects an optical path adjustment element. The optical path adjustment element is configured to change a transmission direction of incident light to a first direction that is different from the transmission direction. The first fixed potion is polygonal when viewed in the transmission direction. The first movable portion is movable relative to the first fixed portion. The first driving assembly drives the first movable portion to move relative to the first fixed portion. The first driving assembly comprises a shape memory alloy. The first driving assembly is located on a first side of the first fixed portion when viewed in the transmission direction.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 6, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan, Liang-Ting Ho
  • 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: 11509801
    Abstract: An optical mechanism is provided, including an optical member, a reflecting element, a holder, and a housing. The optical member includes a first optical lens and a second optical lens. Light propagates into the optical mechanism in a first direction and is reflected by the reflecting element to propagate through the first and second optical lenses in a second direction. The holder supports the first and the second optical lenses, wherein the first and second optical lenses define an optical axis parallel to the second direction. The housing has a lower cover and a top cover, wherein the holder is accommodated in the housing. The first optical lens is closer to a light-entering end of the optical member than the second optical lens, and the first optical lens is larger than the second optical lens.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: November 22, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan
  • Publication number: 20220357588
    Abstract: An optical system is provided. The optical system includes a first assembly and a second assembly. The first assembly includes a first welding portion. The second assembly is affixed on the first assembly and includes a second welding portion. The first welding portion is affixed on the second welding portion by welding.
    Type: Application
    Filed: May 10, 2022
    Publication date: November 10, 2022
    Inventors: Chen-Hsien FAN, Sin-Jhong SONG, Chih-Wen CHIANG, Chia-Che WU