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).
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Patent number: 11914169Abstract: 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: GrantFiled: January 24, 2020Date of Patent: February 27, 2024Assignee: TDK TAIWAN CORP.Inventors: Chen-Hsien Fan, Sung-Mao Tsai, Chia-Che Wu, Yueh-Lin Lee
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Patent number: 11899274Abstract: 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: GrantFiled: August 19, 2021Date of Patent: February 13, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chien-Yu Kao
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Patent number: 11888374Abstract: 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: GrantFiled: June 4, 2020Date of Patent: January 30, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Shang-Hung Chen, He-Ling Chang, Chih-Wei Weng
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Publication number: 20240027727Abstract: 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: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Inventors: Chao-Chang HU, Chen-Hsien FAN, Chih-Wen CHIANG, Chien-Yu KAO
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Patent number: 11880090Abstract: 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: GrantFiled: April 18, 2022Date of Patent: January 23, 2024Assignee: 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
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Publication number: 20240004266Abstract: 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: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Inventors: Cheng-Kai YU, Chen-Hsien FAN, Chao-Chang HU, Shu-Shan CHEN, Chih-Wei WENG
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Patent number: 11863849Abstract: 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: GrantFiled: June 12, 2020Date of Patent: January 2, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan
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Patent number: 11815736Abstract: 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: GrantFiled: August 19, 2021Date of Patent: November 14, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chien-Yu Kao
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Patent number: 11796894Abstract: An optical element driving mechanism includes a movable portion, a fixed portion and a driving assembly. The movable portion is configured to connect an optical element having an optical axis. The fixed portion includes a base with a plate structure, 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 base. A thickness direction of the base is perpendicular to the optical axis, the base has a recessed structure, and when viewed from the thickness direction of the base, the recessed structure is overlapped with the optical axis.Type: GrantFiled: April 6, 2022Date of Patent: October 24, 2023Assignee: TDK TAIWAN CORP.Inventors: Cheng-Kai Yu, Chen-Hsien Fan, Chao-Chang Hu, Shu-Shan Chen, Chih-Wei Weng
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Patent number: 11740538Abstract: 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: GrantFiled: September 24, 2021Date of Patent: August 29, 2023Assignee: TDK TAIWAN CORP.Inventors: Cheng-Kai Yu, Chen-Hsien Fan, Chao-Chang Hu, Shu-Shan Chen, Chih-Wei Weng
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Publication number: 20230251551Abstract: An optical element driving mechanism is provided, including an immovable part, a movable part, and an elastic assembly. The movable part is movable relative to the immovable part. The movable part is connected to an optical element. 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 wires are electrically independent, and each of the wires includes a first portion extending along a first direction. When viewed from the first direction, the first portions at least partially overlap each other.Type: ApplicationFiled: April 18, 2023Publication date: August 10, 2023Inventors: Chao-Chang HU, Chen-Hsien FAN
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Patent number: 11719905Abstract: 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: GrantFiled: February 2, 2021Date of Patent: August 8, 2023Assignee: TDK TAIWAN CORP.Inventors: Chen-Hsien Fan, Chao-Chang Hu
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Patent number: 11719996Abstract: 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: GrantFiled: November 17, 2020Date of Patent: August 8, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chia-Che Wu, Yu-Chiao Lo
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Patent number: 11711006Abstract: 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: GrantFiled: June 4, 2020Date of Patent: July 25, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Yueh-Lin Lee, Yu-Chiao Lo, Chih-Wei Weng
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Patent number: 11689788Abstract: 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: GrantFiled: April 9, 2020Date of Patent: June 27, 2023Assignee: 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
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Patent number: 11678036Abstract: 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: GrantFiled: April 10, 2020Date of Patent: June 13, 2023Assignee: 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
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Publication number: 20230171495Abstract: 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: ApplicationFiled: January 26, 2023Publication date: June 1, 2023Inventors: Chao-Chang HU, Chen-Hsien FAN, Sung-Mao TSAI, Yueh-Lin LEE, Yu-Chiao LO, Mao-Kuo HSU, Ching-Chieh HUAN, Yi-Chun CHENG
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Patent number: 11665411Abstract: 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: GrantFiled: April 10, 2020Date of Patent: May 30, 2023Assignee: 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
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Publication number: 20230161131Abstract: 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: ApplicationFiled: January 20, 2023Publication date: May 25, 2023Inventors: Chih-Wei WENG, Chao-Chang HU, Yueh-Lin LEE, Chen-Hsien FAN, Chien-Yu KAO, Chia-Ching HSU, Sung-Mao TSAI, Sin-Jhong SONG
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Patent number: 11656531Abstract: 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: GrantFiled: July 7, 2020Date of Patent: May 23, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan