Patents by Inventor Po Lun Hsu

Po Lun Hsu 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).

  • IMAGING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20200285027
    Abstract: An imaging optical lens assembly 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 with positive refractive power has an object-side surface being convex in a paraxial region thereof.
    Type: Application
    Filed: May 15, 2019
    Publication date: September 10, 2020
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Hung-Shuo CHEN, Syuan Ruei LAI, Kuo-Jui WANG, Po-Lun HSU, Wei-Yu CHEN
  • LENS SYSTEM, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20200285031
    Abstract: A 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, a fifth lens element and a sixth lens element. The first lens element with negative refractive power has a concave image-side surface in a paraxial region. The second lens element with refractive power has a convex object-side surface in a paraxial region. The third lens element has positive refractive power. The fourth lens element with positive refractive power has an object-side and an image-side surfaces being aspheric. The fifth lens element with negative refractive power has an aspheric concave object-side surface and an aspheric convex image-side surface in a paraxial region. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region with a convex shape in an off-axis region.
    Type: Application
    Filed: May 23, 2020
    Publication date: September 10, 2020
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Cheng-Chen LIN, Po-Lun HSU, Wei-Yu CHEN
  • PHOTOGRAPHING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20200233183
    Abstract: A photographing 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 with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative 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 image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.
    Type: Application
    Filed: April 2, 2020
    Publication date: July 23, 2020
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun HSU, Wei-Yu CHEN, Kuan-Ting YEH, Ssu-Hsin LIU
  • Lens system, image capturing unit and electronic device
    Patent number: 10705320
    Abstract: A 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, a fifth lens element and a sixth lens element. The first lens element with negative refractive power has a concave image-side surface in a paraxial region. The second lens element with refractive power has a convex object-side surface in a paraxial region. The third lens element has positive refractive power. The fourth lens element with positive refractive power has an object-side and an image-side surfaces being aspheric. The fifth lens element with negative refractive power has an aspheric concave object-side surface and an aspheric convex image-side surface in a paraxial region. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region with a convex shape in an off-axis region.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: July 7, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Cheng-Chen Lin, Po-Lun Hsu, Wei-Yu Chen
  • Optical photographing lens assembly, imaging apparatus and electronic device
    Patent number: 10698179
    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: August 13, 2019
    Date of Patent: June 30, 2020
    Assignee: LAGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Chun-Yen Chen, Chun-Che Hsueh, Wei-Yu Chen
  • Imaging lens assembly, image capturing apparatus and electronic device
    Patent number: 10656382
    Abstract: An imaging lens assembly, including, in order from an object side to an image side: a first lens element having negative refractive power; a second lens element with positive refractive power having an image-side surface being convex; a third lens element, a fourth lens element with positive refractive power having an object-side surface being concave and an image-side surface being convex; a fifth lens element with negative refractive power having an image-side surface being concave, at least one convex shape on the image-side surface in an off-axial region, and both of object-side and image-side surfaces thereof being aspheric; wherein the imaging lens assembly has a total of five lens elements.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: May 19, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Wei-Yu Chen
  • IMAGING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20200150398
    Abstract: An imaging 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 has positive refractive power. The second lens element has positive refractive power. The fourth lens element with negative 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, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventors: Po-Lun HSU, Wei-Yu CHEN
  • IMAGE CAPTURING OPTICAL SYSTEM, IMAGING APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20200150394
    Abstract: An image capturing optical system 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. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
    Type: Application
    Filed: December 31, 2019
    Publication date: May 14, 2020
    Inventors: Po-Lun HSU, Hsin-Hsuan HUANG
  • Photographing lens assembly, image capturing unit and electronic device
    Patent number: 10649179
    Abstract: A photographing 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 with negative refractive power has an object-side surface being concave in a paraxial region thereof, wherein the object-side surface has at least one convex critical point in an off-axis region thereof. The third lens element has an image-side surface being convex in a paraxial region thereof. The fourth lens element has positive refractive power. The fifth lens element with negative 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 image-side surface being concave in a paraxial region thereof, wherein the image-side surface has at least one convex critical point in an off-axis region thereof.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: May 12, 2020
    Assignee: LARGAN Precision Co., Ltd.
    Inventors: Po-Lun Hsu, Wei-Yu Chen, Kuan-Ting Yeh, Ssu-Hsin Liu
  • IMAGING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20200103631
    Abstract: An imaging optical 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 with positive refractive power has an object-side surface being convex in a paraxial region. The second lens element with negative refractive power has an object-side surface being concave in a paraxial region. The third lens element has an object-side surface and an image-side surface being aspheric. The fourth lens element with negative refractive power has an object-side surface being concave and an image-side surface being concave in a paraxial region, wherein the image-side surface has convex shape in an off-axis region, and the two surfaces thereof are aspheric. The fifth lens element with positive refractive power has an object-side surface and an image-side surface being both aspheric.
    Type: Application
    Filed: November 29, 2019
    Publication date: April 2, 2020
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Po-Lun HSU, Wei-Yu CHEN
  • Image capturing lens assembly, imaging apparatus and electronic device
    Patent number: 10606040
    Abstract: An image capturing 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 having positive refractive power; a fifth lens element having both an object-side surface and an image-side surface being aspheric; and a sixth lens element having both an object-side surface and an image-side surface being aspheric, the image-side surface being concave, and at least one inflection point on the image-side surface. There are a total of six lens elements.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 31, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
  • Imaging lens assembly, imaging apparatus and electronic device
    Patent number: 10571660
    Abstract: An imaging 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 has positive refractive power. The second lens element has positive refractive power. The fourth lens element with negative 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, wherein the two surfaces of the fourth lens element are both aspheric. The fifth lens element having an image-side surface being concave in a paraxial region thereof, wherein two surfaces of the fifth lens element are both aspheric, and the image-side surface of the fifth lens element includes at least one convex critical point in an off-axis region thereof.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: February 25, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Wei-Yu Chen
  • Image capturing optical system, imaging apparatus and electronic device
    Patent number: 10564403
    Abstract: An image capturing optical system 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. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: February 18, 2020
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
  • Imaging optical lens assembly, image capturing unit and electronic device
    Patent number: 10527821
    Abstract: An imaging optical 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 with positive refractive power has an object-side surface being convex in a paraxial region. The second lens element with negative refractive power has an object-side surface being concave in a paraxial region. The third lens element has an object-side surface and an image-side surface being aspheric. The fourth lens element with negative refractive power has an object-side surface being concave and an image-side surface being concave in a paraxial region, wherein the image-side surface has convex shape in an off-axis region, and the two surfaces thereof are aspheric. The fifth lens element with positive refractive power has an object-side surface and an image-side surface being both aspheric.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: January 7, 2020
    Assignee: LARGAN Precision Co., Ltd.
    Inventors: Po-Lun Hsu, Wei-Yu Chen
  • OPTICAL PHOTOGRAPHING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE
    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
  • OPTICAL IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20190346661
    Abstract: An optical imaging 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 positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element has negative refractive power. The fifth lens element has negative refractive power.
    Type: Application
    Filed: October 3, 2018
    Publication date: November 14, 2019
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Kuan-Ting YEH, Kuo-Jui WANG, Chien-Hsun WU, Wei-Yu CHEN, Po-Lun HSU
  • Optical photographing lens assembly, imaging apparatus and electronic device
    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
  • IMAGE CAPTURING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20190285858
    Abstract: An image capturing 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 having positive refractive power; a fifth lens element having both an object-side surface and an image-side surface being aspheric; and a sixth lens element having both an object-side surface and an image-side surface being aspheric, the image-side surface being concave, and at least one inflection point on the image-side surface. There are a total of six lens elements.
    Type: Application
    Filed: May 31, 2019
    Publication date: September 19, 2019
    Inventors: PO-LUN HSU, Hsin-Hsuan Huang
  • OPTICAL PHOTOGRAPHING LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20190271831
    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 has negative refractive power. The sixth lens element has positive refractive power. At least one of an object-side surface and an image-side surface of the seventh lens element includes at least one inflection point.
    Type: Application
    Filed: September 5, 2018
    Publication date: September 5, 2019
    Inventors: Po-Lun HSU, Shu-Yun YANG
  • IMAGE CAPTURING OPTICAL SYSTEM, IMAGING APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20190243107
    Abstract: An image capturing optical system 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. An image-side surface of the fifth lens element is convex in a paraxial region thereof. An image-side surface of the sixth lens element is concave in a paraxial region thereof. The seventh lens element has negative refractive power.
    Type: Application
    Filed: April 15, 2019
    Publication date: August 8, 2019
    Inventors: Po-Lun HSU, Hsin-Hsuan HUANG