Patents Assigned to TDK Taiwan Corp.
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Patent number: 11892656Abstract: 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: GrantFiled: April 6, 2021Date of Patent: February 6, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Cheng-Kai Yu
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Patent number: 11885976Abstract: An optical module includes a first side and a second side, and includes a movable portion, a fixed portion, a driving portion, a position-sensing portion, and a circuit board. The movable portion includes a holder for holding an optical element with an optical axis. The fixed portion includes a base and a circuit component, wherein the circuit component has an external electrical connection portion, and the movable portion is movably connected to the fixed portion. The driving portion is configured to drive the movable portion to move relative to the fixed portion. The position-sensing portion includes a position-sensing element, and the position-sensing element is configured to sense the position of the movable portion relative to the fixed portion.Type: GrantFiled: July 25, 2019Date of Patent: January 30, 2024Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Shang-Yu Hsu, Yu-Cheng Lin, Yung-Ping Yang, Wen-Yen Huang, Tsung-Han Wu, Yi-Chun Cheng, Chen-Chi Kuo, Chia-Hsiu Liu, Ichitai Moto, Sin-Jhong Song
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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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Patent number: 11886035Abstract: A lens module is provided, including a holder, a barrel, and an optical element. The optical element is affixed in the barrel, and the holder has a first material. Additionally, the barrel is affixed in the holder and has a second material, wherein the hardness of the first material is greater than the hardness of the second material.Type: GrantFiled: November 30, 2021Date of Patent: January 30, 2024Assignee: TDK TAIWAN CORP.Inventors: Yu-Cheng Lin, Chen-Chi Kuo, Kun-Shih Lin, Fu-Yuan Wu
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Patent number: 11880087Abstract: An optical element driving system is provided. The optical element driving system includes a fixed portion, a first movable portion, a second movable portion, a first driving assembly, a second driving assembly, and a connecting element. The first movable portion is used for moving relative to the fixed portion. The second movable portion is used for holding an optical element having a main axis, and is movable relative to the first movable portion. The first driving assembly is used for driving the first movable portion to move relative to the fixed portion in a first dimension. The second driving assembly is used for driving the second movable portion to move relative to the first movable portion in a second dimension. The connecting element connects the first movable portion and the second movable portion.Type: GrantFiled: August 27, 2021Date of Patent: January 23, 2024Assignee: TDK TAIWAN CORP.Inventors: Wei-Jhe Shen, Yu-Huai Liao, Sheng-Zong Chen
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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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Patent number: 11880086Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a carrier, a base, and a first driving assembly. The carrier holds an optical element with an optical axis. The carrier is movably connected to the base. The first driving assembly drives the carrier to move relative to the base. The first driving assembly includes a driving coil disposed on the carrier, and the direction of the winding axis of the driving coil is different from the direction of the optical axis. The carrier has an abutting surface, which faces and is in direct contact with the driving coil. The maximum size of the abutting surface is greater than the maximum size of the driving coil in the direction of the optical axis.Type: GrantFiled: January 25, 2019Date of Patent: January 23, 2024Assignee: TDK TAIWAN CORP.Inventors: Chen-Chi Kuo, Chia-Hsiu Liu, Yen-Cheng Chen, Shao-Chung Chang, Sin-Jhong Song, Ying-Jen Wang, Ya-Hsiu Wu
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Patent number: 11874520Abstract: An optical element driving mechanism is provided, including a base, a holder movably coupled to the base for holding an optical element, a casing, a frame, a driving assembly, and an adhering member. The casing has a top wall and a plurality of side walls extending from the edge of the top wall along an optical axis of the optical element, and the top wall is closer to a light-incident end than the base. The frame is disposed on the top wall and has a frame protrusion extending toward the base. The driving assembly is configured to drive the holder to move relative to the base, and an accommodating space is formed between the base, the frame and the casing. The adhering member is disposed in the accommodating space and configured to directly adhere to the base, the frame, the casing, and the driving assembly.Type: GrantFiled: March 21, 2022Date of Patent: January 16, 2024Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Kun-Shih Lin, Yu-Huai Liao, Yu-Cheng Lin, Yen-Cheng Chen
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Patent number: 11874522Abstract: An optical mechanism is provided. The optical mechanism includes an immovable part, a movable part, and a drive assembly. The movable part is connected to an optical element. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part. The immovable part includes a frame. The frame includes a receiving space receiving the movable part.Type: GrantFiled: October 22, 2021Date of Patent: January 16, 2024Assignee: TDK TAIWAN CORP.Inventors: Chen-Hsin Huang, Yi-Ho Chen, Shou-Jen Liu, Chen-Yu Yu
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Patent number: 11867925Abstract: A driving mechanism for an optical element is provided, including a support body, a movable portion, an elastic assembly, and a driving assembly. The movable portion is located in the support body. The movable portion is movable relative to the support body and is used to connect to an optical element. The elastic assembly is movably connected to the support body and the movable portion. The driving assembly is disposed on the support body and the movable portion, and is configured to drive the movable portion to move relative to the support body.Type: GrantFiled: January 8, 2020Date of Patent: January 9, 2024Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Shang-Yu Hsu, Yu-Huai Liao, Meng-Ting Lin, Guan-Bo Wang
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Patent number: 11867970Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable portion, a fixed portion, and a driving assembly. The movable portion is used for connecting to an optical element, wherein the optical element has a main axis. The movable portion is movably connected to the fixed portion. The driving assembly is disposed on the movable portion or the fixed portion for driving the movable portion moving relative to the fixed portion.Type: GrantFiled: April 8, 2020Date of Patent: January 9, 2024Assignee: TDK TAIWAN CORP.Inventor: Yi-Chieh Lin
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Patent number: 11867969Abstract: 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: GrantFiled: December 4, 2020Date of Patent: January 9, 2024Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Chieh-An Chang, Min-Hsiu Tsai, Chao-Chang Hu, Shu-Shan Chen, Pai-Jui Cheng, Chao-Hsi Wang
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Patent number: 11860443Abstract: 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: GrantFiled: July 23, 2021Date of Patent: January 2, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Shu-Shan Chen, Chao-Hsi Wang
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Patent number: 11860513Abstract: A driving mechanism is provided. The driving mechanism includes a fixed portion, a movable portion movable relative to the fixed portion, a driving assembly used for driving the movable portion to move relative to the fixed portion, and a position sensing assembly for detecting the movement of the movable portion relative to the fixed portion. The driving assembly drives the movable portion by a control signal provided by a control assembly, and the driving assembly includes shape memory alloy. The control assembly receives a position signal provided by the position sensing assembly. The movable portion vibrates relative to the fixed portion at a frequency that is lower than a maximum frequency, and the maximum frequency is less than 10000 Hz.Type: GrantFiled: January 19, 2023Date of Patent: January 2, 2024Assignee: TDK TAIWAN CORP.Inventor: Shusuke Ichihashi
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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: 11852844Abstract: An optical system is provided and includes a fixed assembly, an optical module, a first movable assembly and a first driving assembly. The optical module has an optical axis. The first movable assembly is configured to be connected to the optical module. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly, and a gap is formed between the first movable assembly and the fixed assembly.Type: GrantFiled: April 17, 2020Date of Patent: December 26, 2023Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Chen-Hsin Huang
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Patent number: 11852888Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a first movable portion, a fixed portion, a first driving assembly, and a first guiding assembly. The first movable portion is used for connecting to a first optical element driving mechanism. The first optical element driving mechanism has a main axis that extends in a first direction. 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 guiding assembly is used for guiding the movement of the fixed portion relative to the fixed portion.Type: GrantFiled: July 24, 2020Date of Patent: December 26, 2023Assignee: TDK TAIWAN CORP.Inventors: Ya-Hsiu Wu, Ying-Jen Wang, Sin-Jhong Song
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Patent number: 11852886Abstract: 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: GrantFiled: June 30, 2022Date of Patent: December 26, 2023Assignee: TDK TAIWAN CORP.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
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Patent number: 11846827Abstract: An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a first movable part, a first drive assembly, and a guidance assembly. The first movable part is movable relative to the immovable part. The first movable part is connected to a first optical element. The first drive assembly drives the first movable part to move relative to the immovable part. The guidance assembly guides the movement of the first movable part in the first dimension.Type: GrantFiled: December 9, 2020Date of Patent: December 19, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Chih-Wei Weng, Ying-Jen Wang
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Patent number: 11841547Abstract: An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a movable part, and a drive assembly. The movable part is movable relative to the immovable part. The movable part holds an optical element with an optical axis. The drive assembly drives the movable part to move relative to the immovable part. At least part of the drive assembly is disposed on the immovable part.Type: GrantFiled: November 10, 2020Date of Patent: December 12, 2023Assignee: TDK TAIWAN CORP.Inventors: Shang-Yu Hsu, Meng-Ting Lin, Shih-Wei Hung, Yu-Huai Liao, Chia-Che Wu, Mao-Gen Jian, Chih-Wei Weng