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).

  • Publication number: 20220350114
    Abstract: An optical lens system includes two lens elements which are, in order from an object side to an image side along an optical path: a first lens element and a second lens element. Each of the two 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 at least one lens element of the optical lens system is aspheric. A total number of the lens elements in the optical lens system is two.
    Type: Application
    Filed: September 21, 2021
    Publication date: November 3, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che HSUEH, Jin Sen WANG, Hsin-Hsuan HUANG, FUH-SHYANG YANG
  • Publication number: 20220350117
    Abstract: 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: Application
    Filed: July 5, 2022
    Publication date: November 3, 2022
    Inventors: Dung-Yi HSIEH, Chun-Che HSUEH, Wei-Yu CHEN
  • Patent number: 11487091
    Abstract: 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: Grant
    Filed: October 7, 2020
    Date of Patent: November 1, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Chun-Yen Chen, Wei-Yu Chen
  • Publication number: 20220270391
    Abstract: 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: Application
    Filed: May 6, 2022
    Publication date: August 25, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che HSUEH, Hsiang-Chi TANG, Tsung-Han TSAI, Fuh-Shyang YANG
  • Patent number: 11415780
    Abstract: 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: Grant
    Filed: April 10, 2020
    Date of Patent: August 16, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Dung-Yi Hsieh, Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20220244505
    Abstract: 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: Application
    Filed: April 18, 2022
    Publication date: August 4, 2022
    Inventors: Chun-Yen CHEN, Chun-Che HSUEH, Wei-Yu CHEN
  • Publication number: 20220236527
    Abstract: 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: Application
    Filed: April 5, 2022
    Publication date: July 28, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
  • Patent number: 11385440
    Abstract: 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: Grant
    Filed: May 30, 2019
    Date of Patent: July 12, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Kuan-Ting Yeh, Tzu-Chieh Kuo
  • Patent number: 11373433
    Abstract: 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: Grant
    Filed: September 16, 2020
    Date of Patent: June 28, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi Tang, Chun-Che Hsueh, Tsung-Han Tsai, Fuh-Shyang Yang
  • Patent number: 11354930
    Abstract: 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: Grant
    Filed: March 8, 2021
    Date of Patent: June 7, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Hsiang-Chi Tang, Tsung-Han Tsai, Fuh-Shyang Yang
  • Patent number: 11333861
    Abstract: 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: Grant
    Filed: February 3, 2020
    Date of Patent: May 17, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 11327277
    Abstract: 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: Grant
    Filed: January 3, 2020
    Date of Patent: May 10, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang
  • Publication number: 20220128802
    Abstract: 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: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20220113831
    Abstract: 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: Application
    Filed: March 8, 2021
    Publication date: April 14, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che HSUEH, Hsiang-Chi TANG, Tsung-Han TSAI, Fuh-Shyang YANG
  • Publication number: 20220057609
    Abstract: 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: Application
    Filed: November 8, 2021
    Publication date: February 24, 2022
    Inventors: CHUN-CHE HSUEH, WEI-YU CHEN
  • Patent number: 11256070
    Abstract: 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: Grant
    Filed: April 23, 2020
    Date of Patent: February 22, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20220036029
    Abstract: 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: Application
    Filed: October 21, 2020
    Publication date: February 3, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi TANG, Chun-Che HSUEH, Tsung-Han TSAI, Fuh-Shyang YANG
  • Publication number: 20220019057
    Abstract: 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: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
  • Publication number: 20220011554
    Abstract: 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: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventors: Kuan-Ming CHEN, Tsung-Han TSAI, Hsin-Hsuan HUANG, Chun-Che HSUEH
  • Publication number: 20220004733
    Abstract: 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: Application
    Filed: September 16, 2020
    Publication date: January 6, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Hsiang-Chi TANG, Chun-Che HSUEH, Tsung-Han TSAI, Fuh-Shyang YANG