Patents by Inventor Pai-Jui CHENG
Pai-Jui CHENG 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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Publication number: 20240045225Abstract: An optical system is provided, including a movable portion, a fixed portion, and a driving assembly. The movable portion is connected to an optical module. 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 is in contact with the movable portion.Type: ApplicationFiled: August 4, 2023Publication date: February 8, 2024Inventors: Yi-Ho CHEN, Shu-Shan CHEN, Ko-Lun CHAO, Pai-Jui CHENG
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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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Publication number: 20230400660Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a first movable portion, and a driving assembly. The first movable portion movably connects to the fixed portion and used for disposing a first optical element. The driving assembly is used for driving the first movable portion to move relative to the fixed portion. The driving assembly includes piezoelectric driving assembly.Type: ApplicationFiled: June 8, 2022Publication date: December 14, 2023Inventors: Pai-Jui CHENG, Shu-Shan CHEN
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Publication number: 20230400664Abstract: A driving method is provided. The driving method includes providing first driving information to a first driving element to drive a first movable portion to move relative a fixed portion in a first direction. The first driving information has a total duration, and includes positive driving signal, negative driving signal, and middle driving signal. The positive driving signal has a positive duration, the negative driving signal has a negative duration, and the middle driving signal has a middle duration. The positive duration, the negative duration, and the middle duration add up as the total duration. A ratio of the positive duration to the total duration is between 0.1 and 0.15.Type: ApplicationFiled: June 8, 2022Publication date: December 14, 2023Inventors: Shu-Shan CHEN, Pai-Jui CHENG
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Patent number: 11835683Abstract: A tactile feedback mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part includes a first weight element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The first weight element is made of a metal material.Type: GrantFiled: December 16, 2021Date of Patent: December 5, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Pai-Jui Cheng, Shu-Shan Chen
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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: 20230275530Abstract: An optical element driving mechanism is provided in the present disclosure, including a fixed portion, a movable portion, and a driving assembly. The movable portion is connected to an optical assembly. The driving assembly drives the movable portion to move relative to the fixed portion. The driving assembly includes a piezoelectric element.Type: ApplicationFiled: July 15, 2022Publication date: August 31, 2023Inventors: Shu-Shan CHEN, Pai-Jui CHENG
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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: 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: 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: 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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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
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Publication number: 20220308307Abstract: An optical component driving mechanism is provided. The optical component driving mechanism includes a fixed portion, a movable portion, a driving assembly, and a first weighting component. The movable portion and the fixed portion are arranged along an optical axis. 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 first weighting component is fixedly connected to the fixed portion. The driving assembly is disposed on the first weighting component.Type: ApplicationFiled: March 28, 2022Publication date: September 29, 2022Inventors: Shu-Shan CHEN, Pai-Jui CHENG, Chieh-An CHANG, Hsiao-Hsin HU, Chao-Chang HU
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Publication number: 20220197386Abstract: A tactile feedback mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part includes a first weight element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The first weight element is made of a metal material.Type: ApplicationFiled: December 16, 2021Publication date: June 23, 2022Inventors: Chao-Chang HU, Pai-Jui CHENG, Shu-Shan CHEN
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Patent number: 11314031Abstract: 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, wherein the driving assembly moves along a first direction to move the movable portion along a second direction, the first direction is different from the second direction.Type: GrantFiled: June 12, 2020Date of Patent: April 26, 2022Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Jungsuck Ryoo, Min-Hsiu Tsai, Chieh-An Chang, Pai-Jui Cheng
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Publication number: 20220070351Abstract: 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: August 27, 2021Publication date: March 3, 2022Inventors: Pai-Jui CHENG, Shu-Shan CHEN, Chieh-An CHANG, Chao-Chang HU