Patents by Inventor Chieh-An CHANG
Chieh-An CHANG 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: 12323687Abstract: A driving mechanism is provided, including a base, a movable module, and a driving assembly. The movable module has a movable member and a connecting member connected to the movable member. The driving assembly is connected to the base and the connecting member. The driving assembly has a driving element that generates a driving force to the connecting member and the movable member, so that the movable module moves relative to the base.Type: GrantFiled: October 29, 2021Date of Patent: June 3, 2025Assignee: TDK CorporationInventors: Hsiao-Hsin Hu, Shu-Shan Chen, Chao-Chang Hu, Pai-Jui Cheng, Chieh-An Chang
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Patent number: 12225276Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a first holder, a fixed portion, a first driving assembly, and a first stopping assembly. The first holder is used for connecting to an optical element. The first holder is movable relative to the fixed portion. The first driving assembly is used for driving the first holder to move relative to the fixed portion. The first stopping assembly is used for restricting the movable range of the first holder relative to the fixed portion.Type: GrantFiled: January 25, 2022Date of Patent: February 11, 2025Assignee: TDK TAIWAN CORP.Inventors: Hsiao-Hsin Hu, Shu-Shan Chen, Chao-Chang Hu, Pai-Jui Cheng, Chieh-An Chang
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Publication number: 20240377606Abstract: An optical module is provided. The optical module includes a fourth immovable part, a fourth movable part, a fourth driving assembly, a first connection element, and a fourth connection element. The fourth movable part is movable relative to the fourth immovable part. The fourth driving assembly drives the fourth movable part to move relative to the fourth immovable part. The fourth driving assembly includes a first dimension piezoelectric element for generating a first dimension driving force and a first dimension transmission element for transmitting the first dimension driving force. The first dimension piezoelectric element is connected to the first dimension transmission element via the first connection element. The first dimension transmission element is connected to the fourth immovable part via the fourth connection element. The Young's modulus of the first connection element is different from the Young's modulus of the fourth connection element.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Inventors: Jungsuck RYOO, Chao-Chang HU, Shu-Shan CHEN, Min-Hsiu TSAI, Chieh-An CHANG
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Publication number: 20240361567Abstract: 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 connected to an optical element that includes an optical axis. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part.Type: ApplicationFiled: July 12, 2024Publication date: October 31, 2024Inventors: Shu-Shan CHEM, Chieh-An CHANG, Pai-Jui CHENG, Chao-Chang HU
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Patent number: 12078861Abstract: An optical system is provided. The optical system includes a second optical module for driving a second optical element. The second optical module includes a second immovable part, a second movable part, a second driving assembly, and a second guiding assembly. The second movable part is used for connected to the second optical element. The second movable part is movable relative to the second immovable part. The second driving assembly is used for driving the second movable part to move relative to the second immovable part. The second guiding assembly is used for guiding the second movable part to move relative to the second immovable part in a first dimension.Type: GrantFiled: December 7, 2022Date of Patent: September 3, 2024Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Chao-Chang Hu, Shu-Shan Chen, Min-Hsiu Tsai, Chieh-An Chang
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Patent number: 12066688Abstract: 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 connected to an optical element that includes an optical axis. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part.Type: GrantFiled: August 27, 2021Date of Patent: August 20, 2024Assignee: TDK TAIWAN CORP.Inventors: Shu-Shan Chen, Chieh-An Chang, Pai-Jui Cheng, Chao-Chang Hu
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Patent number: 11994740Abstract: 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 connected to an optical element that includes an optical axis. The movable part is movable relative to the immovable part. The drive assembly drives the movable part to move relative to the immovable part.Type: GrantFiled: August 27, 2021Date of Patent: May 28, 2024Assignee: TDK TAIWAN CORP.Inventors: Pai-Jui Cheng, Shu-Shan Chen, Chieh-An Chang, Chao-Chang Hu
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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: 11809013Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a fixed portion, a movable portion, a driving assembly, and a circuit assembly. The movable portion is movably connected to the fixed portion, and the movable portion is used to connect to an optical element. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly.Type: GrantFiled: June 12, 2020Date of Patent: November 7, 2023Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Pai-Jui Cheng, Chao-Chang Hu, Min-Hsiu Tsai, Shu-Shan Chen, Chieh-An Chang
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Publication number: 20230266557Abstract: An optical system is provided. The optical system includes a second optical module for driving a second optical element. The second optical module includes a second immovable part, a second movable part, a second driving assembly, and a second guiding assembly. The second movable part is used for connected to the second optical element. The second movable part is movable relative to the second immovable part. The second driving assembly is used for driving the second movable part to move relative to the second immovable part. The second guiding assembly is used for guiding the second movable part to move relative to the second immovable part in a first dimension.Type: ApplicationFiled: December 7, 2022Publication date: August 24, 2023Inventors: Jungsuck RYOO, Chao-Chang HU, Shu-Shan CHEN, Min-Hsiu TSAI, Chieh-An CHANG
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Publication number: 20230236386Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, a driving assembly, and a coupling assembly. The movable part is configured to be connected to an optical element. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The movable part is movable relative to the fixed assembly by the coupling assembly.Type: ApplicationFiled: January 18, 2023Publication date: July 27, 2023Inventors: Pai-Jui CHENG, Shu-Shan CHEN, Hsiao-Hsin HU, Chieh-An CHANG
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Publication number: 20230225211Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element and is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move along a first axis relative to the fixed assembly.Type: ApplicationFiled: January 9, 2023Publication date: July 13, 2023Inventors: Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Hsiao-Hsin HU, Chieh-An CHANG
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Publication number: 20230221520Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element and is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move along a first axis relative to the fixed assembly.Type: ApplicationFiled: January 9, 2023Publication date: July 13, 2023Inventors: Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Hsiao-Hsin HU, Chieh-An CHANG
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Publication number: 20230204829Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed assembly, a movable part, and a driving assembly. The movable part is movable relative to the fixed assembly. The driving assembly is configured to drive the movable part to move relative to the fixed assembly. The optical element driving mechanism further includes a holding assembly, and the driving assembly drives the movable part to move relative to the fixed assembly by the holding assembly.Type: ApplicationFiled: December 23, 2022Publication date: June 29, 2023Inventors: Hsiao-Hsin HU, Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Chieh-An CHANG
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Patent number: 11561360Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a first fixed portion, a first movable portion, a first driving assembly, and a circuit assembly. The first movable portion is used for connecting to a first optical element, and the first movable portion is movably connected to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the first fixed portion. The circuit assembly is electrically connected to the first driving assembly.Type: GrantFiled: June 12, 2020Date of Patent: January 24, 2023Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Pai-Jui Cheng, Chao-Chang Hu, Min-Hsiu Tsai, Shu-Shan Chen, Chieh-An Chang
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Patent number: 11550112Abstract: An optical system is provided. The optical system includes a first optical module and a second optical module. The first optical module is used for connected to a first optical element. The second optical module is used for connected to a second optical element. A light enters the first optical module along an incident direction, and the light is adjusted by the first optical module to enter the second optical module along a first direction. The incident direction is not parallel with the first direction.Type: GrantFiled: October 30, 2020Date of Patent: January 10, 2023Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Chao-Chang Hu, Shu-Shan Chen, Min-Hsiu Tsai, Chieh-An Chang
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Publication number: 20220397737Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a first holder, a fixed portion, a first driving assembly, and a first stopping assembly. The first holder is used for connecting to an optical element. The first holder is movable relative to the fixed portion. The first driving assembly is used for driving the first holder to move relative to the fixed portion. The first stopping assembly is used for restricting the movable range of the first holder relative to the fixed portion.Type: ApplicationFiled: January 25, 2022Publication date: December 15, 2022Inventors: Hsiao-Hsin HU, Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Chieh-An CHANG
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Publication number: 20220399486Abstract: A driving mechanism is provided, including a base, a movable module, and a driving assembly. The movable module has a movable member and a connecting member connected to the movable member. The driving assembly is connected to the base and the connecting member. The driving assembly has a driving element that generates a driving force to the connecting member and the movable member, so that the movable module moves relative to the base.Type: ApplicationFiled: October 29, 2021Publication date: December 15, 2022Inventors: Hsiao-Hsin HU, Shu-Shan CHEN, Chao-Chang HU, Pai-Jui CHENG, Chieh-An CHANG
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Publication number: 20220357555Abstract: An optical system is provided in the present disclosure, including a fixed portion, a first movable portion, a first driving assembly, a second movable portion, and a second driving assembly. The first movable portion is connected to a first optical element. The first movable portion is movable relative to the fixed portion. The first driving assembly drives the first movable portion to move relative to the fixed portion. The second movable portion is connected to a second optical element. The second movable portion is movable relative to the fixed portion and the first movable portion. The second driving assembly drives the second movable portion to move relative to the fixed portion. The first driving assembly provides a first driving force via a first piezoelectric unit. The first movable portion is driven by the first driving force to move relative to the fixed portion.Type: ApplicationFiled: May 9, 2022Publication date: November 10, 2022Inventors: Pai-Jui CHENG, Chao-Chang HU, Shu-Shan CHEN, Hsiao-Hsin HU, Chieh-An CHANG
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Publication number: 20220308357Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, a driving assembly, and a first weighting element. The movable portion is arranged with the fixed portion in a main axis, and 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 first weighting element is disposed on the driving assembly for stabilizing the driving assembly.Type: ApplicationFiled: March 28, 2022Publication date: September 29, 2022Inventors: Shu-Shan CHEN, Pai-Jui CHENG, Chieh-An CHANG, Hsiao-Hsin HU, Chao-Chang HU