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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Publication number: 20240061216Abstract: 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: October 24, 2023Publication date: February 22, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hung-Shuo CHEN, Kuan Chun WANG, Wei-Yu CHEN
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Publication number: 20240053583Abstract: An optical 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. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof.Type: ApplicationFiled: October 5, 2023Publication date: February 15, 2024Applicant: LARGAN PRECISION CO.,LTD.Inventors: Hung-Shuo CHEN, Shu-Yun YANG
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Patent number: 11899279Abstract: 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 15, 2023Date of Patent: February 13, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Publication number: 20240045180Abstract: 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: October 16, 2023Publication date: February 8, 2024Inventors: Chung-Yu WEI, Hung-Shuo CHEN, Kuan-Chun WANG, Wei-Yu CHEN
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Patent number: 11835695Abstract: 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: GrantFiled: January 2, 2023Date of Patent: December 5, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hung-Shuo Chen, Kuan Chun Wang, Wei-Yu Chen
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Patent number: 11828910Abstract: 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: GrantFiled: June 10, 2021Date of Patent: November 28, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chung-Yu Wei, Hung-Shuo Chen, Kuan-Chun Wang, Wei-Yu Chen
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Patent number: 11822150Abstract: An optical 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. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof.Type: GrantFiled: May 23, 2022Date of Patent: November 21, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Shu-Yun Yang
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Patent number: 11789236Abstract: 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: April 20, 2021Date of Patent: October 17, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Hsiang-Chi Tang, Chun-Yen Chen, Hung-Shuo Chen, Wei-Yu Chen
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Publication number: 20230314774Abstract: 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: June 6, 2023Publication date: October 5, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu-Tai TSENG, Chun-Che HSUEH, Hung-Shuo CHEN, Wei-Yu CHEN
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Patent number: 11709345Abstract: 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: August 16, 2021Date of Patent: July 25, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Yu-Tai Tseng, Chun-Che Hsueh, Hung-Shuo Chen, Wei-Yu Chen
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Publication number: 20230213733Abstract: 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 15, 2023Publication date: July 6, 2023Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Patent number: 11662551Abstract: 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: GrantFiled: March 10, 2020Date of Patent: May 30, 2023Assignee: 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: 11656442Abstract: 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: January 17, 2022Date of Patent: May 23, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Hsin-Hsuan Huang
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Publication number: 20230144951Abstract: 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 2, 2023Publication date: May 11, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hung-Shuo CHEN, Kuan Chun WANG, Wei-Yu CHEN
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Patent number: 11640044Abstract: 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: September 15, 2021Date of Patent: May 2, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 11579412Abstract: 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: GrantFiled: January 16, 2020Date of Patent: February 14, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hung-Shuo Chen, Kuan Chun Wang, Wei-Yu Chen
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Publication number: 20220283405Abstract: An optical 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. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof.Type: ApplicationFiled: May 23, 2022Publication date: September 8, 2022Applicant: LARGAN PRECISION CO.,LTD.Inventors: Hung-Shuo CHEN, Shu-Yun YANG
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Patent number: 11372204Abstract: 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: GrantFiled: May 15, 2019Date of Patent: June 28, 2022Assignee: 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: 11372203Abstract: An optical 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. The first lens element has positive refractive power. The second lens element has negative refractive power. The third lens element has positive refractive power. The fourth lens element has negative refractive power. The fifth lens element with negative refractive power can have an object-side surface being concave in a paraxial region thereof.Type: GrantFiled: December 10, 2019Date of Patent: June 28, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Shu-Yun Yang
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Publication number: 20220163710Abstract: An optical lens assembly includes at least three optical lens elements. At least one of the optical lens elements includes an infrared filtering coating, the optical lens element including the infrared filtering coating is made of a plastic material, the infrared filtering coating is arranged on an object-side surface or an image-side surface of the optical lens element, a surface of the optical lens element including the infrared filtering coating is aspheric, and the infrared filtering coating includes at least two different refractive indices. At least one of the optical lens elements includes a long-wavelength absorbing material, and the optical lens element including the long-wavelength absorbing material is made of a plastic material.Type: ApplicationFiled: November 24, 2021Publication date: May 26, 2022Inventors: Pei-Chi CHANG, Hung-Shuo CHEN, Chun-Hung TENG