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: 20200150402Abstract: 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: ApplicationFiled: January 18, 2020Publication date: May 14, 2020Applicant: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ting YEH, Hung-Shuo CHEN, Chien-Hsun WU, Wei-Yu CHEN
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Patent number: 10634873Abstract: 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: January 12, 2018Date of Patent: April 28, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Chien-Hsun Wu, Tzu-Chieh Kuo
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Patent number: 10627600Abstract: An imaging optical lens system 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. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the first lens element is convex in a paraxial region thereof. The second lens element has positive refractive power. The third lens element has negative refractive power. At least one surface among the object-side surfaces and the image-side surfaces of the seven lens elements has at least one critical point in an off-axis region thereof.Type: GrantFiled: January 12, 2018Date of Patent: April 21, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Tzu-Chieh Kuo
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Publication number: 20200110248Abstract: 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: ApplicationFiled: December 10, 2019Publication date: April 9, 2020Applicant: LARGAN PRECISION CO.,LTD.Inventors: Hung-Shuo CHEN, Shu-Yun YANG
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Publication number: 20200096734Abstract: 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: ApplicationFiled: November 13, 2018Publication date: March 26, 2020Applicant: LARGAN PRECISION CO.,LTD.Inventors: Chun-Che HSUEH, Hung-Shuo CHEN, Yu-Tai TSENG, Tzu-Chieh KUO
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Patent number: 10578838Abstract: 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 10, 2018Date of Patent: March 3, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Kuan-Ting Yeh, Hung-Shuo Chen, Chien-Hsun Wu, Wei-Yu Chen
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Patent number: 10545315Abstract: 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: September 18, 2017Date of Patent: January 28, 2020Assignee: LARGAN Precision Co., Ltd.Inventors: Hung-Shuo Chen, Shu-Yun Yang
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Publication number: 20200018934Abstract: 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: ApplicationFiled: September 25, 2019Publication date: January 16, 2020Inventors: Hung-Shuo CHEN, Wei-Yu CHEN
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Publication number: 20190346663Abstract: 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: March 7, 2019Publication date: November 14, 2019Inventors: Hsiang-Chi TANG, Chun-Yen CHEN, Hung-Shuo CHEN, Wei-Yu CHEN
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Patent number: 10466444Abstract: 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: December 21, 2017Date of Patent: November 5, 2019Assignee: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo Chen, Wei-Yu Chen
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Patent number: 10437017Abstract: A photographing optical lens system includes, 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 fourth lens element with negative refractive power has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof, wherein, either the object-side surface thereof, the image-side surface thereof or both the two surfaces thereof have at least one critical point in an off-axial region thereof, and either the object-side surface thereof, the image-side surface thereof or both the two surfaces thereof are aspheric.Type: GrantFiled: February 22, 2017Date of Patent: October 8, 2019Assignee: LARGAN Precision Co., Ltd.Inventors: Cheng-Chen Lin, Hung-Shuo Chen, Tzu-Chieh Kuo
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Publication number: 20190227268Abstract: 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: ApplicationFiled: July 16, 2018Publication date: July 25, 2019Inventors: Hung-Shuo CHEN, Tzu-Chieh KUO
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Publication number: 20190196144Abstract: An imaging optical lens system 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. Each of the seven lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the first lens element is convex in a paraxial region thereof. The second lens element has positive refractive power. The third lens element has negative refractive power. At least one surface among the object-side surfaces and the image-side surfaces of the seven lens elements has at least one critical point in an off-axis region thereof.Type: ApplicationFiled: January 12, 2018Publication date: June 27, 2019Applicant: LARGAN PRECISION CO., LTD.Inventors: Hung-Shuo CHEN, Tzu-Chieh KUO
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Publication number: 20190196151Abstract: 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: July 13, 2018Publication date: June 27, 2019Inventors: Hung-Shuo CHEN, Hsin-Hsuan HUANG
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Patent number: 10310230Abstract: A photographing 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 third lens element has an object-side surface being convex in a paraxial region thereof. The fourth lens element has an object-side surface being convex in a paraxial region thereof.Type: GrantFiled: September 21, 2017Date of Patent: June 4, 2019Assignee: LARGAN Precision Co., Ltd.Inventors: Hung-Shuo Chen, Hsin-Hsuan Huang
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Patent number: 10288845Abstract: An image capturing 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. Each of the five lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The first lens element has positive refractive power. The object-side surface of the first lens element is convex in a paraxial region thereof. The second lens element has negative refractive power. At least one surface among the object-side surfaces and the image-side surfaces of the five lens elements is aspheric. The image capturing lens system further includes an aperture stop disposed between an imaged object and the object-side surface of the second lens element.Type: GrantFiled: November 7, 2017Date of Patent: May 14, 2019Assignee: LARGAN Precision Co., Ltd.Inventors: Hung-Shuo Chen, Hsin-Hsuan Huang
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Publication number: 20190101724Abstract: 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: January 12, 2018Publication date: April 4, 2019Inventors: Hung-Shuo CHEN, Chien-Hsun WU, Tzu-Chieh KUO
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Publication number: 20190086642Abstract: 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: ApplicationFiled: December 21, 2017Publication date: March 21, 2019Inventors: Hung-Shuo CHEN, Wei-Yu CHEN
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Publication number: 20190064484Abstract: 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: ApplicationFiled: January 10, 2018Publication date: February 28, 2019Applicant: LARGAN PRECISION CO.,LTD.Inventors: Kuan-Ting YEH, Hung-Shuo CHEN, Chien-Hsun WU, Wei-Yu CHEN
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Patent number: 10185125Abstract: A photographing optical 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 second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface thereof has at least one convex critical point in an off-axial region thereof, the object-side surface and the image-side surface thereof are aspheric.Type: GrantFiled: March 27, 2017Date of Patent: January 22, 2019Assignee: LARGAN Precision Co., Ltd.Inventors: Cheng-Chen Lin, Chun-Yen Chen, Yu-Tai Tseng, Hung-Shuo Chen, Wei-Yu Chen