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: 10241301
    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 a wide field of view, a compact size and high image quality.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: March 26, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Shu-Yun Yang
  • Patent number: 10241305
    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: August 22, 2017
    Date of Patent: March 26, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10222585
    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: March 25, 2016
    Date of Patent: March 5, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Dung-Yi Hsieh, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10215955
    Abstract: The present disclosure provides a photographing optical lens system comprising five lens elements, the five 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 in a paraxial region thereof, a second lens element having positive refractive power, a third lens element having negative refractive power, a fourth lens element having positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof with at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: February 26, 2019
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Chen Lin, Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10209488
    Abstract: An optical imaging lens assembly 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 an object-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 has negative refractive power.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: February 19, 2019
    Assignee: LARGAN Precision Co., Ltd.
    Inventors: Yu-Tai Tseng, Chun-Che Hsueh, Tzu-Chieh Kuo
  • Publication number: 20190025549
    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: Application
    Filed: November 27, 2017
    Publication date: January 24, 2019
    Inventors: Chun-Che HSUEH, Chun-Yen CHEN, Wei-Yu CHEN
  • Patent number: 10185128
    Abstract: An optical photographing lens assembly includes five lens elements, 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 positive refractive power has a convex object-side surface in a paraxial region thereof. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface in a paraxial region thereof. The fourth lens element with positive refractive power has a convex image-side surface in a paraxial region thereof. The fifth lens element with negative refractive power has a concave image-side surface in a paraxial region thereof, wherein the image-side surface of the fifth lens element has at least one convex critical point in an off-axial region thereof, and two surfaces of the fifth lens element are both aspheric.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: January 22, 2019
    Assignee: LARGAN Precision Co., Ltd.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen, Chun-Shan Chen, Hsuan-Chin Huang, Kuan-Ting Yeh
  • Publication number: 20190018224
    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: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20190018225
    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: September 19, 2018
    Publication date: January 17, 2019
    Inventors: CHUN-CHE HSUEH, WEI-YU CHEN
  • Publication number: 20180373000
    Abstract: A photographing optical 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 positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an image-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. The fifth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof.
    Type: Application
    Filed: August 17, 2018
    Publication date: December 27, 2018
    Inventors: Chun-Che HSUEH, Yu-Tai TSENG, Wei-Yu CHEN
  • Publication number: 20180364453
    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: March 25, 2016
    Publication date: December 20, 2018
    Inventors: Dung-Yi Hsieh, Chun-Che Hsueh, Wei-Yu Chen
  • Patent number: 10156702
    Abstract: The present disclosure provides an image lens assembly comprising, 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; a second lens element; a third lens element having an object-side surface being convex in a paraxial region thereof; a fourth lens element; a fifth lens element with an image-side surface having at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric; and a sixth lens element having an image-side surface being concave in a paraxial region thereof and at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: December 18, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20180356614
    Abstract: An optical imaging lens assembly 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 second lens element has positive refractive power. The third lens element has negative refractive power. The fifth lens element has positive refractive power. The sixth lens element has negative refractive power. At least one surface among object-side surfaces and image-side surfaces of the six lens elements of the optical imaging lens assembly has at least one critical point in an off-axial region thereof and is aspheric.
    Type: Application
    Filed: July 18, 2017
    Publication date: December 13, 2018
    Inventors: Chun-Che HSUEH, Tzu-Chieh KUO
  • Publication number: 20180348484
    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: October 30, 2017
    Publication date: December 6, 2018
    Inventors: Chun-Yen CHEN, Chun-Che HSUEH, Wei-Yu CHEN
  • Publication number: 20180341086
    Abstract: An optical imaging lens assembly 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 an object-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 has negative refractive power.
    Type: Application
    Filed: June 23, 2017
    Publication date: November 29, 2018
    Inventors: Yu-Tai TSENG, Chun-Che HSUEH, Tzu-Chieh KUO
  • Publication number: 20180321469
    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 22, 2018
    Publication date: November 8, 2018
    Inventors: Chun-Che HSUEH, Hsin-Hsuan HUANG
  • Patent number: 10107991
    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 26, 2017
    Date of Patent: October 23, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen
  • Publication number: 20180299648
    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: Application
    Filed: September 8, 2017
    Publication date: October 18, 2018
    Inventors: Chun-Che HSUEH, Chien-Hsun WU, Wei-Yu CHEN
  • Patent number: 10082646
    Abstract: A photographing optical 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 positive refractive power. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an image-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof. The fifth lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: September 25, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Yu-Tai Tseng, Wei-Yu Chen
  • Patent number: 10073243
    Abstract: An optical lens system comprises, 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. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region. The second lens element with refractive power has an image-side surface being convex in a paraxial region. The third lens element with positive refractive power has an aspheric object-side surface being concave in a paraxial region and an aspheric image-side surface being convex in a paraxial region. The fourth lens element with refractive power has an aspheric object-side surface being concave in a paraxial region and an aspheric image-side surface being convex in a paraxial region. There are a total of four lens elements with refractive power in the optical lens system.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: September 11, 2018
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Chun-Che Hsueh, Wei-Yu Chen