Patents by Inventor Chun-Che HSUEH
Chun-Che HSUEH 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: 11487091Abstract: 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 first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof. The seventh 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 seventh lens element includes at least one convex shape in an off-axis region thereof. The object-side surface and the image-side surface of the seventh lens element are aspheric.Type: GrantFiled: October 7, 2020Date of Patent: November 1, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Chun-Yen Chen, Wei-Yu Chen
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Publication number: 20220270391Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.Type: ApplicationFiled: May 6, 2022Publication date: August 25, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hsiang-Chi TANG, Tsung-Han TSAI, Fuh-Shyang YANG
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Patent number: 11415780Abstract: An imaging optical 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 with refractive power has an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an image-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region and having a convex shape in an off-axial region thereof.Type: GrantFiled: April 10, 2020Date of Patent: August 16, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Dung-Yi Hsieh, Chun-Che Hsueh, Wei-Yu Chen
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Publication number: 20220244505Abstract: An image capturing 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 fifth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The sixth 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 seventh 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, and the image-side surface thereof includes at least one convex shape in an off-axis region thereof.Type: ApplicationFiled: April 18, 2022Publication date: August 4, 2022Inventors: Chun-Yen CHEN, Chun-Che HSUEH, Wei-Yu CHEN
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Publication number: 20220236527Abstract: A lens system includes four 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 and a fourth lens element. Each of the four 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 of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex 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.Type: ApplicationFiled: April 5, 2022Publication date: July 28, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
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Patent number: 11385440Abstract: An optical photographing lens assembly includes three lens elements which are, in order from an object side to an image side: a first lens element, a second lens element and a third lens element. Each of the three lens elements of the optical photographing lens assembly 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 concave in a paraxial region thereof, the object-side surface of the first lens element is aspheric and has at least one inflection point, and the object-side surface of the first lens element has at least one critical point in an off-axis region thereof. The optical photographing lens assembly has a total of three lens elements.Type: GrantFiled: May 30, 2019Date of Patent: July 12, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Kuan-Ting Yeh, Tzu-Chieh Kuo
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Patent number: 11373433Abstract: An optical fingerprint identification system includes a base, a photo sensor, a light emitting layer and a cover. The photo sensor is disposed on the base. The light emitting layer is disposed above the photo sensor, and the light emitting layer includes a light emitting element. The cover is disposed above the light emitting layer. The optical fingerprint identification system further includes a condenser unit and a light receiving element between the photo sensor and the cover. The condenser unit is disposed above the photo sensor. The light receiving element is disposed above the condenser unit. The light emitting element is disposed away from the photo sensor, the condenser unit and the light receiving element in a sideway direction that is different from a stack direction of the optical fingerprint identification system.Type: GrantFiled: September 16, 2020Date of Patent: June 28, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Hsiang-Chi Tang, Chun-Che Hsueh, Tsung-Han Tsai, Fuh-Shyang Yang
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Patent number: 11354930Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.Type: GrantFiled: March 8, 2021Date of Patent: June 7, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hsiang-Chi Tang, Tsung-Han Tsai, Fuh-Shyang Yang
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Patent number: 11333861Abstract: An image capturing 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 fifth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The sixth 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 seventh 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, and the image-side surface thereof includes at least one convex shape in an off-axis region thereof.Type: GrantFiled: February 3, 2020Date of Patent: May 17, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
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Patent number: 11327277Abstract: A lens system includes four 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 and a fourth lens element. Each of the four 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 of the object-side surface and the image-side surface of the first lens element has at least one inflection point. The fourth lens element has positive refractive power, the object-side surface of the fourth lens element is convex 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.Type: GrantFiled: January 3, 2020Date of Patent: May 10, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang
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Publication number: 20220128802Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Inventors: Chun-Che Hsueh, Wei-Yu Chen
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Publication number: 20220113831Abstract: An optical fingerprint identification system includes a cover, a light emitting layer, an optical layer, an image sensor and a base that are sequentially disposed from top to bottom. The cover has a fingerprint contact surface on top. The image sensor has an image surface. The optical layer includes a first array layer and a second array layer, and the first array layer is stacked on top of the second array layer. The first array layer and the second array layer respectively include a plurality of first array lens elements and a plurality of second array lens elements respectively arranged at equal intervals in a first direction. Each of the first array lens elements and a corresponding second array lens element of the second array layer are coaxial along an optical axis and form an imaging unit.Type: ApplicationFiled: March 8, 2021Publication date: April 14, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Chun-Che HSUEH, Hsiang-Chi TANG, Tsung-Han TSAI, Fuh-Shyang YANG
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Publication number: 20220057609Abstract: A photographing optical lens assembly includes seven lens elements, the seven lens elements being, 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 with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The seventh lens element has an image-side surface being concave in a paraxial region thereof and having at least one critical point in an off-axis region thereof.Type: ApplicationFiled: November 8, 2021Publication date: February 24, 2022Inventors: CHUN-CHE HSUEH, WEI-YU CHEN
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Patent number: 11256070Abstract: This disclosure provides an image capturing optical lens assembly including, in order from an object side to an image side: a first lens element with refractive power having an object-side surface being convex in a paraxial region thereof; a second lens element having positive refractive power; a third lens element with refractive power having an image-side surface being concave in a paraxial region thereof; a fourth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric; a fifth lens element with refractive power having an object-side surface being concave in a paraxial region thereof; and a sixth lens element with refractive power having an image-side surface being concave in a paraxial region thereof, wherein both surfaces thereof being aspheric, and the image-side surface having at least one convex shape in an off-axis region thereof.Type: GrantFiled: April 23, 2020Date of Patent: February 22, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Wei-Yu Chen
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Publication number: 20220036029Abstract: An optical fingerprint identification system includes a base, a photo sensor, a light emitting layer and a cover. The photo sensor is disposed on the base. The light emitting layer is disposed above the photo sensor, and the light emitting layer includes a light emitting element. The cover is disposed above the light emitting layer. The optical fingerprint identification system further includes a light path adjusting element between the photo sensor and the cover. The light emitting element is disposed away from the light path adjusting element and the photo sensor in a sideway direction that is different from a stack direction of the optical fingerprint identification system.Type: ApplicationFiled: October 21, 2020Publication date: February 3, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Hsiang-Chi TANG, Chun-Che HSUEH, Tsung-Han TSAI, Fuh-Shyang YANG
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Publication number: 20220019057Abstract: An optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element and a third lens element. The first lens element with positive refractive power has an object-side surface being convex, and the object-side surface and an image-side surface thereof are aspheric. The second lens element with negative refractive power has an image-side surface being concave, and an object-side surface and the image-side surface thereof are aspheric. The third lens element with refractive power has an object-side surface being concave, and the object-side surface and an image-side surface thereof are aspheric. The optical lens assembly further includes a stop with no lens element having refractive power disposed between the stop and the first lens element. The optical lens assembly has a total of three lens elements with refractive power.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
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Publication number: 20220011554Abstract: An optical image capturing 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, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element and the third lens element have refractive power. The fourth lens element with negative refractive power has a concave object-side surface and a convex image-side surface. The fifth lens element with positive refractive power has a convex object-side surface, wherein at least one inflection point is on at least one surface thereof. The sixth lens element with negative refractive power has a concave object-side surface. The surfaces of the fifth and the sixth lens elements are aspheric. The optical image capturing system has a total of six lens elements.Type: ApplicationFiled: September 23, 2021Publication date: January 13, 2022Inventors: Kuan-Ming CHEN, Tsung-Han TSAI, Hsin-Hsuan HUANG, Chun-Che HSUEH
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Publication number: 20220004733Abstract: An optical fingerprint identification system includes a base, a photo sensor, a light emitting layer and a cover. The photo sensor is disposed on the base. The light emitting layer is disposed above the photo sensor, and the light emitting layer includes a light emitting element. The cover is disposed above the light emitting layer. The optical fingerprint identification system further includes a condenser unit and a light receiving element between the photo sensor and the cover. The condenser unit is disposed above the photo sensor. The light receiving element is disposed above the condenser unit. The light emitting element is disposed away from the photo sensor, the condenser unit and the light receiving element in a sideway direction that is different from a stack direction of the optical fingerprint identification system.Type: ApplicationFiled: September 16, 2020Publication date: January 6, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Hsiang-Chi TANG, Chun-Che HSUEH, Tsung-Han TSAI, Fuh-Shyang YANG
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Publication number: 20210389560Abstract: An image capturing lens system includes, in order from an object side to an image side, a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, a second lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, a third lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, and a fourth lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.Type: ApplicationFiled: August 30, 2021Publication date: December 16, 2021Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG, Shu-Yun YANG
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Patent number: 11194128Abstract: A photographing optical lens assembly includes seven lens elements, the seven lens elements being, 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 with positive refractive power has an image-side surface being convex in a paraxial region thereof. The fourth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The seventh lens element has an image-side surface being concave in a paraxial region thereof and having at least one critical point in an off-axis region thereof.Type: GrantFiled: July 10, 2019Date of Patent: December 7, 2021Assignee: LARGAN PRECISION CO., LTD.Inventors: Chun-Che Hsueh, Wei-Yu Chen