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).

  • Patent number: 10585262
    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: Grant
    Filed: June 28, 2019
    Date of Patent: March 10, 2020
    Assignee: Largan Precision Co., Ltd.
    Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang
  • Patent number: 10564402
    Abstract: A image capturing lens assembly includes six lens elements, the six lens elements being, 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 thereof; a second lens element having negative refractive power; a third lens element; a fourth lens element; a fifth lens element with positive refractive power having an object-side surface being convex and an image-side surface being convex thereof; and a sixth lens element having an image-side surface being concave in a paraxial region thereof, the image-side surface having at least one convex critical point in an off-axial region thereof, and an object-side surface and the image-side surface being aspheric.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: February 18, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20200012077
    Abstract: 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: Application
    Filed: September 18, 2019
    Publication date: January 9, 2020
    Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG, Shu-Yun YANG
  • Patent number: 10509202
    Abstract: An optical imaging lens 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. The first lens element has negative refractive power. The fourth lens element has an image-side surface being convex in a paraxial region thereof. The fifth lens element has positive refractive power. The sixth lens element has an object-side surface being convex in a paraxial region thereof.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: December 17, 2019
    Assignee: LARGAN Precision Co., Ltd.
    Inventors: Chun-Che Hsueh, Shu-Yun Yang
  • Publication number: 20190361199
    Abstract: An optical 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 third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and including at least one convex shape in an off-axis region thereof. An object-side surface and the image-side surface of the seventh lens element are aspheric.
    Type: Application
    Filed: August 13, 2019
    Publication date: November 28, 2019
    Inventors: Po-Lun Hsu, Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10459197
    Abstract: 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: Grant
    Filed: January 12, 2018
    Date of Patent: October 29, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang, Shu-Yun Yang
  • Publication number: 20190324230
    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: June 28, 2019
    Publication date: October 24, 2019
    Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
  • Patent number: 10429611
    Abstract: An optical 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 third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and including at least one convex shape in an off-axis region thereof. An object-side surface and the image-side surface of the seventh lens element are aspheric.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 1, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10386603
    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: Grant
    Filed: June 22, 2018
    Date of Patent: August 20, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Hsin-Hsuan Huang
  • Publication number: 20190227277
    Abstract: An imaging optical lens assembly includes seven lens elements, the seventh 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 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 seventh lens element has an image-side surface being concave in a paraxial region thereof and having a critical point in an off-axis region thereof. The image-side surface and an object-side surface of the seventh lens element are both aspheric.
    Type: Application
    Filed: July 3, 2018
    Publication date: July 25, 2019
    Inventors: HSIANG-CHI TANG, Chun-Che Hsueh, Chun-Yen Chen, Yu-Tai Tseng, Wei-Yu Chen
  • Publication number: 20190227286
    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: March 18, 2019
    Publication date: July 25, 2019
    Inventors: Kuan-Ming CHEN, Tsung-Han TSAI, Hsin-Hsuan HUANG, Chun-Che HSUEH
  • Patent number: 10359607
    Abstract: An image capturing lens assembly 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 with negative refractive power has an image-side surface being concave in a paraxial region thereof. 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 and includes at least one convex critical point in an off-axis region thereof.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 23, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Chien-Hsun Wu, Wei-Yu Chen
  • Patent number: 10330894
    Abstract: An imaging optical lens includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element; a second lens element having an image-side surface being concave in a paraxial region thereof, a third lens element having an object-side surface being convex in a paraxial region thereof, a fourth lens element, a fifth lens element, and a sixth lens element having negative refractive power.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: June 25, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Tzu-Chieh Kuo
  • Publication number: 20190187438
    Abstract: The present disclosure provides an optical imaging lens assembly comprising, in order from an object side to an image side: a first lens element having negative refractive power; a second 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; a third lens element having positive refractive power; a fourth lens element having positive refractive power; a fifth lens element having positive refractive power; and a sixth lens element; wherein the optical imaging lens assembly has a total of six lens elements. With such configuration, the optical imaging lens assembly of the present disclosure is characterized by a wide field of view, a compact size and high image quality.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 20, 2019
    Inventors: Chun-Che Hsueh, Shu-Yun Yang
  • Publication number: 20190187437
    Abstract: A image capturing lens assembly includes six lens elements, the six lens elements being, 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 thereof; a second lens element having negative refractive power; a third lens element; a fourth lens element; a fifth lens element with positive refractive power having an object-side surface being convex and an image-side surface being convex thereof; and a sixth lens element having an image-side surface being concave in a paraxial region thereof, the image-side surface having at least one convex critical point in an off-axial region thereof, and an object-side surface and the image-side surface being aspheric.
    Type: Application
    Filed: February 6, 2019
    Publication date: June 20, 2019
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20190154996
    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: January 21, 2019
    Publication date: May 23, 2019
    Inventors: Dung-Yi Hsieh, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10281684
    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: Grant
    Filed: September 7, 2017
    Date of Patent: May 7, 2019
    Assignee: LARGAN PRCISION CO., LTD.
    Inventors: Kuan-Ming Chen, Tsung-Han Tsai, Hsin-Hsuan Huang, Chun-Che Hsueh
  • Publication number: 20190129146
    Abstract: An optical imaging lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof. At least one of an object-side surface and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof, wherein both the surfaces of the sixth lens element are aspheric.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 2, 2019
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Chien-Hsun WU, Chun-Che HSUEH, Wei-Yu CHEN
  • Publication number: 20190113714
    Abstract: An imaging optical lens includes six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element; a second lens element having an image-side surface being concave in a paraxial region thereof, a third lens element having an object-side surface being convex in a paraxial region thereof, a fourth lens element, a fifth lens element, and a sixth lens element having negative refractive power.
    Type: Application
    Filed: December 14, 2017
    Publication date: April 18, 2019
    Inventors: Chun-Che Hsueh, Tzu-Chieh Kuo
  • Publication number: 20190094494
    Abstract: An optical 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 third lens element has positive refractive power. The seventh lens element has an image-side surface being concave in a paraxial region thereof and including at least one convex shape in an off-axis region thereof. An object-side surface and the image-side surface of the seventh lens element are aspheric.
    Type: Application
    Filed: January 9, 2018
    Publication date: March 28, 2019
    Inventors: Po-Lun HSU, Chun-Yen CHEN, Chun-Che HSUEH, Wei-Yu CHEN