Patents by Inventor Hung-Shuo CHEN
Hung-Shuo CHEN 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: 11333860Abstract: An imaging lens system includes five lens elements, which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. At least one of an object-side surface and an image-side surface of the fifth lens element has at least one inflection point. The object-side surface and the image-side surface of the fifth lens element are both aspheric.Type: GrantFiled: January 18, 2020Date of Patent: May 17, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ting Yeh, Hung-Shuo Chen, Chien-Hsun Wu, Wei-Yu Chen
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Publication number: 20220137371Abstract: A photographing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof, and at least one of an object-side surface and the image-side surface of the seventh lens element includes at least one inflection point. At least one surface of the seven lens elements is aspheric.Type: ApplicationFiled: January 17, 2022Publication date: May 5, 2022Inventors: Hung-Shuo CHEN, Hsin-Hsuan HUANG
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Patent number: 11294149Abstract: An optical photographing lens assembly includes six lens elements, in order from an object side to an image side, the six lens elements are a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element has an object-side surface being concave in a paraxial region thereof. The sixth lens element has an image-side surface being convex in a paraxial region thereof, both an object-side surface and the image-side surface of the seventh lens element are aspheric, and at least one of the object-side surface and the image-side surface of the sixth lens element includes at least one inflection point.Type: GrantFiled: September 25, 2019Date of Patent: April 5, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Wei-Yu Chen
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Publication number: 20220099944Abstract: An image lens assembly includes five lens elements, which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The fifth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: June 10, 2021Publication date: March 31, 2022Inventors: Chung-Yu WEI, Hung-Shuo CHEN, Kuan-Chun WANG, Wei-Yu CHEN
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Patent number: 11262553Abstract: A photographing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof, and at least one of an object-side surface and the image-side surface of the seventh lens element includes at least one inflection point. At least one surface of the seven lens elements is aspheric.Type: GrantFiled: April 29, 2020Date of Patent: March 1, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Hsin-Hsuan Huang
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Publication number: 20220003961Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: ApplicationFiled: September 15, 2021Publication date: January 6, 2022Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Publication number: 20210373298Abstract: An optical lens assembly includes seven lens elements which are, in order from object side to image side: first lens element, second lens element, third lens element, fourth lens element, fifth lens element, sixth lens element and seventh lens element. The first lens element has object-side surface having at least one convex shape in off-axis region thereof. The second lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The third lens element has image-side surface being convex in paraxial region thereof. The sixth lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The seventh lens element has image-side surface being concave in paraxial region thereof, and the image-side surface of the seventh lens element has at least one convex critical point in off-axis region thereof. The optical lens assembly has a total of seven lens elements.Type: ApplicationFiled: August 16, 2021Publication date: December 2, 2021Applicant: LARGAN PRECISION CO.,LTD.Inventors: Yu-Tai TSENG, Chun-Che HSUEH, Hung-Shuo CHEN, Wei-Yu CHEN
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Patent number: 11156803Abstract: An imaging optical system includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. Each of the six lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one lens element of the imaging optical system has at least one aspheric surface having at least one inflection point.Type: GrantFiled: November 13, 2018Date of Patent: October 26, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hung-Shuo Chen, Yu-Tai Tseng, Tzu-Chieh Kuo
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Patent number: 11150441Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: GrantFiled: March 16, 2020Date of Patent: October 19, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 11125978Abstract: An optical lens assembly includes seven lens elements which are, in order from object side to image side: first lens element, second lens element, third lens element, fourth lens element, fifth lens element, sixth lens element and seventh lens element. The first lens element has object-side surface having at least one convex shape in off-axis region thereof. The second lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The third lens element has image-side surface being convex in paraxial region thereof. The sixth lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The seventh lens element has image-side surface being concave in paraxial region thereof, and the image-side surface of the seventh lens element has at least one convex critical point in off-axis region thereof. The optical lens assembly has a total of seven lens elements.Type: GrantFiled: July 29, 2019Date of Patent: September 21, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu-Tai Tseng, Chun-Che Hsueh, Hung-Shuo Chen, Wei-Yu Chen
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Publication number: 20210239941Abstract: A photographing optical lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The sixth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The seventh lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof and including at least one convex critical point in an off-axis region thereof.Type: ApplicationFiled: April 20, 2021Publication date: August 5, 2021Inventors: Hsiang-Chi TANG, Chun-Yen CHEN, Hung-Shuo CHEN, Wei-Yu CHEN
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Publication number: 20210191075Abstract: An optical lens assembly includes four lens elements which are, in order from an object side to an image side along an imaging optical path: a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has positive refractive power. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and at least one of the object-side surface and the image-side surface of the fourth lens element has at least one inflection point in an off-axis region thereof.Type: ApplicationFiled: March 10, 2020Publication date: June 24, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Kuo-Jui WANG, Kuan Chun WANG, Hung-Shuo CHEN, Jin Sen WANG, Syuan Ruei LAI, Wei-Yu CHEN
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Patent number: 11016270Abstract: A photographing optical lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element has positive refractive power. The sixth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The seventh lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof and including at least one convex critical point in an off-axis region thereof.Type: GrantFiled: March 7, 2019Date of Patent: May 25, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Hsiang-Chi Tang, Chun-Yen Chen, Hung-Shuo Chen, Wei-Yu Chen
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Publication number: 20210149158Abstract: A photographing lens assembly includes a total of eight lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. At least one lens element of the photographing lens assembly has at least one lens surface having at least one inflection point.Type: ApplicationFiled: January 16, 2020Publication date: May 20, 2021Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hung-Shuo CHEN, Kuan Chun WANG, Wei-Yu CHEN
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Publication number: 20200341242Abstract: An optical lens assembly includes seven lens elements which are, in order from object side to image side: first lens element, second lens element, third lens element, fourth lens element, fifth lens element, sixth lens element and seventh lens element. The first lens element has object-side surface having at least one convex shape in off-axis region thereof. The second lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The third lens element has image-side surface being convex in paraxial region thereof. The sixth lens element with positive refractive power has object-side surface being convex in paraxial region thereof. The seventh lens element has image-side surface being concave in paraxial region thereof, and the image-side surface of the seventh lens element has at least one convex critical point in off-axis region thereof. The optical lens assembly has a total of seven lens elements.Type: ApplicationFiled: July 29, 2019Publication date: October 29, 2020Applicant: LARGAN PRECISION CO.,LTD.Inventors: Yu-Tai TSENG, Chun-Che HSUEH, Hung-Shuo CHEN, Wei-Yu CHEN
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Publication number: 20200285027Abstract: An imaging optical lens assembly includes six lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof.Type: ApplicationFiled: May 15, 2019Publication date: September 10, 2020Applicant: LARGAN PRECISION CO.,LTD.Inventors: Hung-Shuo CHEN, Syuan Ruei LAI, Kuo-Jui WANG, Po-Lun HSU, Wei-Yu CHEN
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Patent number: 10768394Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements. The four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being concave in a paraxial region thereof and an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being convex in a paraxial region thereof.Type: GrantFiled: July 16, 2018Date of Patent: September 8, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Tzu-Chieh Kuo
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Publication number: 20200257089Abstract: A photographing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof, and at least one of an object-side surface and the image-side surface of the seventh lens element includes at least one inflection point. At least one surface of the seven lens elements is aspheric.Type: ApplicationFiled: April 29, 2020Publication date: August 13, 2020Inventors: Hung-Shuo CHEN, Hsin-Hsuan HUANG
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Publication number: 20200218033Abstract: An electronic device includes at least one optical lens assembly. The optical lens assembly includes four lens elements, and the four lens elements are, in order from an outside to an inside, a first lens element, a second lens element, a third lens element and a fourth lens element. The first lens element has an outside surface being convex in a paraxial region thereof. The second lens element has an inside surface being convex in a paraxial region thereof. The fourth lens element has an inside surface being concave in a paraxial region thereof, wherein at least one of an outside surface and the inside surface of the fourth lens element includes at least one critical point in an off-axis region thereof.Type: ApplicationFiled: March 16, 2020Publication date: July 9, 2020Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Patent number: 10678025Abstract: A photographing lens assembly includes seven lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof, and at least one of an object-side surface and the image-side surface of the seventh lens element includes at least one inflection point. At least one surface of the seven lens elements is aspheric.Type: GrantFiled: July 13, 2018Date of Patent: June 9, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Hsin-Hsuan Huang