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).

  • Publication number: 20220011649
    Abstract: A lens driving module includes a base, a frame fixedly connected to the base, and a holder configured to connect an optical lens. The holder is movable relative to the base. The lens driving module also includes a reflecting element configured to reflect light from a light incident direction to a first direction. The first direction is perpendicular to the light incident direction, and the first direction is parallel to an optical axis of the optical lens. The lens driving module further includes a first electromagnetic driving assembly configured to force the holder to move along the first direction relative to the base. The lens driving module has multiple recesses formed on the base and arranged along the first direction. The lens driving module includes multiple the rolling elements disposed on the recesses, and the holder is moved relative to the base via the rolling elements.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Inventors: Cheng-Kai YU, Chen-Hsien FAN, Chao-Chang HU, Shu-Shan CHEN, Chih-Wei WENG
  • Publication number: 20210397067
    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 assembly. The movable portion is used for connecting to an optical element. The movable portion may move 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 is movable relative to the fixed portion through the support assembly.
    Type: Application
    Filed: November 17, 2020
    Publication date: December 23, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO
  • Publication number: 20210396946
    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: Application
    Filed: November 17, 2020
    Publication date: December 23, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Chih-Wen CHIANG, Chia-Che WU, Yu-Chiao LO
  • 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
  • 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
  • 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
  • Publication number: 20210199912
    Abstract: An optical system is provided. The optical system includes a first movable portion, a fixed portion, a first driving assembly, and a first sensing assembly. The first movable portion is used for connecting to an optical assembly having a main axis. 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 first sensing assembly is used for sensing the movement of the first movable portion relative to the fixed portion.
    Type: Application
    Filed: December 24, 2020
    Publication date: July 1, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO
  • Publication number: 20210191073
    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: Application
    Filed: December 2, 2020
    Publication date: June 24, 2021
    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: 20210157036
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, and at least three damping materials. The movable portion is configured to connect an optical member that has an optical axis. 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 damping materials are located on an imaginary plane, and the imaginary plane is parallel to the optical axis.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Inventors: Chen-Hsien FAN, Chao-Chang HU
  • Publication number: 20210149211
    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: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yi-Liang CHAN
  • Publication number: 20210109307
    Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 15, 2021
    Inventors: Chao-Chang HU, Chih-Wei WENG, Chia-Che WU, Chien-Yu KAO, Hsiao-Hsin HU, He-Ling CHANG, Chao-Hsi WANG, Chen-Hsien FAN, Che-Wei CHANG, Mao-Gen JIAN, Sung-Mao TSAI, Wei-Jhe SHEN, Yung-Ping YANG, Sin-Hong LIN, Tzu-Yu CHANG, Sin-Jhong SONG, Shang-Yu HSU, Meng-Ting LIN, Shih-Wei HUNG, Yu-Huai LIAO, Mao-Kuo HSU, Hsueh-Ju LU, Ching-Chieh HUANG, Chih-Wen CHIANG, Yu-Chiao LO, Ying-Jen WANG, Shu-Shan CHEN, Che-Hsiang CHIU
  • Patent number: 10976476
    Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a plurality of first elastic elements, and a first driving assembly. The movable portion is movably connected to the fixed portion, and includes a holder to hold an optical element, wherein the optical element has an optical axis. The first elastic elements are elastically connected to the fixed portion and the movable portion. The first elastic elements extend in a first direction, and the first direction is perpendicular to the optical axis. The first driving assembly drives the movable portion to move relative to the fixed portion in a direction that is perpendicular to the first direction. The first driving assembly is electrically connected to the first elastic elements.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: April 13, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chen-Hsien Fan, Chao-Chang Hu
  • Publication number: 20210092266
    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: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN
  • Publication number: 20210092267
    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: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN
  • Publication number: 20210063848
    Abstract: An optical member driving mechanism is provided. The optical member driving mechanism is configured to hold an optical member and drive the optical member to move. The optical member driving mechanism includes a first movable portion, a fixed portion, and a driving assembly. The first movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the first movable portion to move relative to the fixed portion.
    Type: Application
    Filed: January 24, 2020
    Publication date: March 4, 2021
    Inventors: Chen-Hsien FAN, Sung-Mao TSAI, Chia-Che WU, Yueh-Lin LEE
  • Patent number: 10935809
    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: May 20, 2019
    Date of Patent: March 2, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yi-Liang Chan
  • Publication number: 20210033880
    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: Application
    Filed: June 4, 2020
    Publication date: February 4, 2021
    Inventors: Chao-Chang Hu, Chen-Hsien Fan, Shang-Hung Chen, He-Ling Chang, Chih-Wei Weng
  • Publication number: 20210036593
    Abstract: A driving mechanism is provided, including a fixed portion, a movable portion, a driving assembly and a connecting element. The movable portion may move relative to the fixed portion and is used for holding an optical module. The driving assembly moves the movable portion relative to the fixed portion. The connecting element is movably connected to the fixed portion and the movable portion.
    Type: Application
    Filed: June 4, 2020
    Publication date: February 4, 2021
    Inventors: Chao-Chang HU, Chen-Hsien FAN, Yueh-Lin LEE, Yu-Chiao LO, Chih-Wei WENG
  • 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
  • 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