Patents by Inventor Yeon-Goog Sung

Yeon-Goog Sung 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: 11869920
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Patent number: 11855239
    Abstract: The present invention relates to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same and, more specifically, to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same, in which the number of nano-scale-LED elements included in a unit area of the electrode assembly is increased, the light extraction efficiency of individual nano-scale-LED elements is increased so as to maximize light intensity per unit area, and at the same time, nano-scale-LED elements on a nanoscale are connected to an electrode without a fault such as an electrical short circuit.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yeon Goog Sung
  • Patent number: 11800768
    Abstract: A full-color light emitting diode (LED) display having an improved luminance is provided herein. More specifically, provided herein are a full-color LED display, in which an amount of light blocked by electrodes and not extracted is minimized and ultra-small LED devices are connected to ultra-small electrodes without defects such as electrical short circuits and the like, wherein the full-color LED display exhibits a further improved luminance when a direct current (DC) driving voltage is used and each pixel of the full-color LED display exhibits uniform luminance when the DC driving voltage is used, and a method of manufacturing the same.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Patent number: 11728457
    Abstract: The present invention relates to a nano-scale light-emitting diode (LED) element for a horizontal array assembly, a manufacturing method thereof, and a horizontal array assembly including the same, and more particularly, to a nano-scale LED element for a horizontal array assembly that can significantly increase the number of nano-scale LED elements connected to an electrode line, facilitate an arrangement of the elements, and implement a horizontal array assembly having a very good electric connection between an electrode and an element and a significant high quantity of light when a horizontal array assembly having the nano-scale LED elements laid in a length direction thereof and connected to the electrode line is manufactured, a manufacturing method thereof, and a horizontal array assembly including the same.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yeon Goog Sung
  • Patent number: 11710804
    Abstract: The present invention relates to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same and, more specifically, to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same, in which the number of nano-scale-LED elements included in a unit area of the electrode assembly is increased, the light extraction efficiency of individual nano-scale-LED elements is increased so as to maximize light intensity per unit area, and at the same time, nano-scale-LED elements on a nanoscale are connected to an electrode without a fault such as an electrical short circuit.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: July 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yeon Goog Sung
  • Publication number: 20230170455
    Abstract: Provided is a ultra-small light-emitting diode (LED) electrode assembly including a base substrate; an electrode line formed on the base substrate, and including a first electrode and a second electrode formed in a line shape to be interdigitated with each other while being spaced apart from each other; and at least one ultra-small LED device connected to the electrode line. A cross section of at least one of the first and second electrodes in a vertical direction has a height variation such that the first and second electrodes easily come in contact with the at least one ultra-small LED device.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 1, 2023
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 11635176
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 25, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20230056417
    Abstract: Provided is a method of manufacturing a nanorod. The method comprising comprises the steps of: providing a growth substrate and a support substrate; epitaxially growing a nanomaterial layer onto one surface of the growth substrate; forming a sacrificial layer on one surface of the support substrate; bonding the nanomaterial layer with the sacrificial layer; separating the growth substrate from the nanomaterial layer; flattening the nanomaterial layer; forming a nanorod by etching the nanomaterial layer; and separating the nanorod by removing the sacrificial layer.
    Type: Application
    Filed: September 19, 2022
    Publication date: February 23, 2023
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 11552232
    Abstract: Provided is a ultra-small light-emitting diode (LED) electrode assembly including a base substrate; an electrode line formed on the base substrate, and including a first electrode and a second electrode formed in a line shape to be interdigitated with each other while being spaced apart from each other; and at least one ultra-small LED device connected to the electrode line. A cross section of at least one of the first and second electrodes in a vertical direction has a height variation such that the first and second electrodes easily come in contact with the at least one ultra-small LED device.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: January 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Patent number: 11538799
    Abstract: Provided are a display including a very-small light-emitting diode (LED) and a method of manufacturing the same. The display includes a panel in which a first signal line and a second signal line are disposed in a lattice form, an LED module including an electrode assembly having a first electrode connected to the first signal line and the second signal line and a second electrode connected to a ground, and a plurality of very-small LEDs connected to the first electrode and the second electrode, and two or more switches which connect the first signal line and the second signal line to the first electrode, wherein the second electrode is connected to a common electrode formed on the panel, at least one other LED module is grounded to the common electrode, and the two or more switches selectively provide a current supplied through the first signal line to the first electrode on the basis of a signal of the first signal line and a signal of the second signal line.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: December 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Patent number: 11495585
    Abstract: Provided are a method of manufacturing a nanoscale light-emitting diode (LED) electrode assembly having improved electrical contacts, and more particularly, a nanoscale LED electrode assembly having improved electrical contacts and capable of increasing conductivity between electrodes and nanoscale LED devices and decreasing contact resistance, and a method of manufacturing the same.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 8, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Goog Sung, Young Rag Do
  • Patent number: 11450737
    Abstract: Provided is a method of manufacturing a nanorod. The method comprising comprises the steps of: providing a growth substrate and a support substrate; epitaxially growing a nanomaterial layer onto one surface of the growth substrate; forming a sacrificial layer on one surface of the support substrate; bonding the nanomaterial layer with the sacrificial layer; separating the growth substrate from the nanomaterial layer; flattening the nanomaterial layer; forming a nanorod by etching the nanomaterial layer; and separating the nanorod by removing the sacrificial layer.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Patent number: 11380670
    Abstract: Provided is a method of manufacturing a ultra-small light-emitting diode (LED) electrode assembly, the method including preparing a base substrate, forming an electrode line including a first electrode and a second electrode on the base substrate, positioning a guide member having a plurality of slit portions therein on the base substrate, and inserting ultra-small LED devices into the plurality of slit portions of the guide member.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20220093676
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20210396360
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 11195877
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: December 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20210335903
    Abstract: A full-color light emitting diode (LED) display having an improved luminance is provided herein. More specifically, provided herein are a full-color LED display, in which an amount of light blocked by electrodes and not extracted is minimized and ultra-small LED devices are connected to ultra-small electrodes without defects such as electrical short circuits and the like, wherein the full-color LED display exhibits a further improved luminance when a direct current (DC) driving voltage is used and each pixel of the full-color LED display exhibits uniform luminance when the DC driving voltage is used, and a method of manufacturing the same.
    Type: Application
    Filed: May 24, 2021
    Publication date: October 28, 2021
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Patent number: 11112070
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: September 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20210234067
    Abstract: The present invention relates to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same and, more specifically, to an electrode assembly comprising nano-scale-LED elements and a method for manufacturing the same, in which the number of nano-scale-LED elements included in a unit area of the electrode assembly is increased, the light extraction efficiency of individual nano-scale-LED elements is increased so as to maximize light intensity per unit area, and at the same time, nano-scale-LED elements on a nanoscale are connected to an electrode without a fault such as an electrical short circuit.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 29, 2021
    Inventor: Yeon Goog SUNG
  • Patent number: 11063194
    Abstract: Provided is a ultra-small light-emitting diode (LED) electrode assembly including a base substrate; an electrode line formed on the base substrate, and including a first electrode and a second electrode formed in a line shape to be interdigitated with each other while being spaced apart from each other; and at least one ultra-small LED device connected to the electrode line. A cross section of at least one of the first and second electrodes in a vertical direction has a height variation such that the first and second electrodes easily come in contact with the at least one ultra-small LED device.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung