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).

  • Publication number: 20240147726
    Abstract: A method of forming a memory structure is provided. The method includes providing a substrate, wherein the substrate has a plurality of isolation structures, and the isolation structures include a plurality of first protrusions protruding above the substrate; replacing the first protrusions with a plurality of second protrusions to define a plurality of predetermined regions of floating gates between the second protrusions. The replacing step includes forming an insulation filling material between the first protrusions and on the substrate, and performing a patterning process to the insulation filling and the first protrusions to form second protrusions to define the predetermined regions of the floating gates, and forming a plurality of floating gates in the predetermined regions of the floating gates.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Inventors: Bo-Lun WU, Po-Yen HSU, Tse-Mian KUO
  • Patent number: 11971528
    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: December 27, 2022
    Date of Patent: April 30, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
  • Publication number: 20240134159
    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 28, 2023
    Publication date: April 25, 2024
    Inventors: Po-Lun HSU, Hsin-Hsuan HUANG
  • Patent number: 11963385
    Abstract: The disclosure provides a local stretch packaging structure, including a substrate, a flexible electronic element, a plurality of light-emitting display elements, and a packaging layer. The flexible electronic element is disposed on the substrate. These light-emitting display elements are disposed on the flexible electronic element. The packaging layer includes a packaging area and a non-packaging area. The packaging area covers the upper surface and sidewalls of these light-emitting display elements. The non-packaging area is directly covered the flexible electronic element that is not disposed with these light-emitting display elements.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: April 16, 2024
    Assignees: Interface Technology (ChengDu) Co., Ltd., Interface Optoelectronics (ShenZhen) Co., Ltd., General Interface Solution Limited
    Inventors: Wen-You Lai, Ping-Hsiang Kao, Po-Lun Chen, Chun-Ta Chen, Po-Ching Lin, Ya-Chu Hsu
  • Publication number: 20240118522
    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: December 7, 2023
    Publication date: April 11, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun HSU, Wei-Yu CHEN, Kuan-Ting YEH, Ssu-Hsin LIU
  • Publication number: 20240087878
    Abstract: A semiconductor wafer cleaning apparatus is provided. The semiconductor wafer cleaning apparatus includes a spin base, a spindle extending through the spin base, and a clamping member covering the spin base. The spindle includes a mounting part and a supporting part disposed on the mounting part. The mounting part includes an inner projection, the supporting part includes a conical projection, and the conical projection is surrounded by the inner projection. The semiconductor wafer cleaning apparatus further includes a first sealing ring disposed between the spin base and the mounting part.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Chia-Lun CHEN, Po-Jen SHIH, Ming-Sung HUNG, Wen-Hung HSU
  • Patent number: 11927799
    Abstract: A data transmission system is disclosed. The data transmission system includes at least one signal processing device, at least one conversion device, at least one antenna device, and at least one flexible printed circuit board. The at least one signal processing device is configured to generate or receive at least one data. The at least one conversion device is configured to transform between the at least one data and an optical signal. The at least one antenna device is configured to obtain the at least one data according to the optical signal, and configured to receive or transmit the at least one data wirelessly. The at least one flexible printed circuit board includes at least one conductive layer and at least one optical waveguide layer. The at least one optical waveguide layer is configured to transmit the optical signal.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 12, 2024
    Inventors: Po-Kuan Shen, Chun-Chiang Yen, Chiu-Lin Yu, Kai-Lun Han, Jenq-Yang Chang, Mao-Jen Wu, Chao-Chieh Hsu
  • Patent number: 11885940
    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: April 14, 2022
    Date of Patent: January 30, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Wei-Yu Chen, Kuan-Ting Yeh, Ssu-Hsin Liu
  • Patent number: 11880048
    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: August 30, 2022
    Date of Patent: January 23, 2024
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Wei-Yu Chen
  • Patent number: 11762132
    Abstract: An imaging lens assembly module has an optical axis, and includes at least one plastic lens element, a carrier element and a light absorbing layer. The plastic lens element, in order from a center to a peripheral region thereof, includes an optical effective portion and a peripheral portion. A side of the peripheral portion includes a plurality of step structures interposed between the side of the peripheral portion and a same side of the optical effective portion. The carrier element defines an inner space for disposing the plastic lens element, and includes a tip end minimal opening and a plurality of annular inner walls. The light absorbing layer is disposed on the peripheral portion of the plastic lens element, and the step structures and the at least one of the annular inner walls facing towards the plastic lens element.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Ming-Ta Chou, Cheng-Feng Lin, Po-Lun Hsu, Ming-Shun Chang, Ming-Ching Lin
  • Publication number: 20230138624
    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 27, 2022
    Publication date: May 4, 2023
    Inventors: Po-Lun HSU, Hsin-Hsuan HUANG
  • Patent number: 11573408
    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: January 11, 2022
    Date of Patent: February 7, 2023
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Hsin-Hsuan Huang
  • Publication number: 20220413190
    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: August 30, 2022
    Publication date: December 29, 2022
    Inventors: Po-Lun HSU, Wei-Yu CHEN
  • Publication number: 20220390815
    Abstract: An optical imaging lens assembly having a zooming function includes, in order from an object side to an image side along an optical path: a reflection group and a lens group. The reflection group includes a prism having an object-side surface being convex. The prism includes a reflection surface configured to reflect an imaging light passing through the object-side surface of the prism and send the imaging light to an image-side surface of the prism. The lens group includes at least three lens elements arranged along the optical path, and each of the at least three lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The lens group includes a movable group, and the movable group moves along a direction parallel to an optical axis in a zooming process.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 8, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun HSU, Tzu-Chieh KUO
  • Patent number: 11467321
    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: January 15, 2020
    Date of Patent: October 11, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Wei-Yu Chen
  • Publication number: 20220269047
    Abstract: An optical imaging lens assembly includes a focus tunable component and an imaging lens system. The imaging lens system includes, in order from an object side to an image side, a first lens group and a second lens group. The first lens group includes, in order from the object side to the image side, an object-side first lens element and an object-side second lens element. The second lens group includes, in order from the image side to the object side, an image-side first lens element and an image-side second lens element. At least one lens surface of at least one lens element in the imaging lens system is aspheric and has at least one inflection point. The imaging lens system has a total of at least four lens elements.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 25, 2022
    Applicant: LARGAN PRECISION CO.,LTD.
    Inventors: Po-Lun HSU, Tzu-Chieh KUO
  • Publication number: 20220244504
    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 14, 2022
    Publication date: August 4, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun HSU, Wei-Yu CHEN, Kuan-Ting YEH, Ssu-Hsin LIU
  • Publication number: 20220244507
    Abstract: A plastic light-folding element includes an incident surface, an exit surface, at least one reflective surface, at least one connecting surface and at least one gate vestige structure. The incident surface is configured to lead an imaging light enter the plastic light-folding element. The exit surface is configured to lead the imaging light exit the plastic light-folding element. The reflective surface is configured to fold the imaging light. The connecting surface is connected to the incident surface, the exit surface and the reflective surface. The gate vestige structure is disposed on the connecting surface. At least one of the incident surface, the exit surface and the reflective surface includes an optical portion and an arc step structure, the arc step structure is disposed on a periphery of the optical portion, and an arc is formed by the arc step structure centered on the optical portion.
    Type: Application
    Filed: January 14, 2022
    Publication date: August 4, 2022
    Inventors: Pei-Chi CHANG, Wei-Chun LO, Po-Lun HSU, Lin-An CHANG, Ming-Ta CHOU
  • Patent number: 11372204
    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: Grant
    Filed: May 15, 2019
    Date of Patent: June 28, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Hung-Shuo Chen, Syuan Ruei Lai, Kuo-Jui Wang, Po-Lun Hsu, Wei-Yu Chen
  • Patent number: 11366294
    Abstract: An optical imaging lens assembly includes a focus tunable component and an imaging lens system. The imaging lens system includes, in order from an object side to an image side, a first lens group and a second lens group. The first lens group includes, in order from the object side to the image side, an object-side first lens element and an object-side second lens element. The second lens group includes, in order from the image side to the object side, an image-side first lens element and an image-side second lens element. At least one lens surface of at least one lens element in the imaging lens system is aspheric and has at least one inflection point. The imaging lens system has a total of at least four lens elements.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 21, 2022
    Assignee: LARGAN PRECISION CO., LTD.
    Inventors: Po-Lun Hsu, Tzu-Chieh Kuo