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).

  • Publication number: 20190214438
    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: March 15, 2019
    Publication date: July 11, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Publication number: 20190113185
    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: November 30, 2018
    Publication date: April 18, 2019
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20190088707
    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: September 15, 2017
    Publication date: March 21, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Publication number: 20190088724
    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: September 15, 2017
    Publication date: March 21, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Patent number: 10236324
    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: September 15, 2017
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20190051724
    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: February 24, 2017
    Publication date: February 14, 2019
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20190035980
    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: Application
    Filed: January 13, 2017
    Publication date: January 31, 2019
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20190019930
    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: January 13, 2017
    Publication date: January 17, 2019
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 10145518
    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: November 17, 2016
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20180287010
    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: November 13, 2015
    Publication date: October 4, 2018
    Applicant: PSI CO., LTD.
    Inventor: Yeon Goog SUNG
  • Patent number: 10062804
    Abstract: A method of manufacturing a nano-scale LED electrode assembly including a selective metal ohmic layer is disclosed. Specifically, the method can be useful in increasing conductivity between a nano-scale LED device and electrodes and also reducing contact resistance therebetween by depositing a conductive material in a region in which the nano-scale LED device comes in contact with the electrodes so as to improve the contact between the nano-scale LED device and the electrodes, thereby further improving light extraction efficiency of the nano-scale LED device.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: August 28, 2018
    Assignee: PSI CO., LTD.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20180182741
    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: Application
    Filed: December 27, 2017
    Publication date: June 28, 2018
    Inventors: Yeon Goog SUNG, Young Rag DO
  • Patent number: 9935241
    Abstract: The present disclosure relates to a method for manufacturing a self-assembled nano-scale LED electrode assembly and more particularly, to a method for manufacturing a self-assembled nano-scale LED electrode assembly in which a nano-scale LED device can be self-aligned on two different electrodes without being chemically and physically damaged and the number of nano-scale LED devices to be mounted can be remarkably increased, and alignment and electrical connection of the LED devices can be further improved.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: April 3, 2018
    Assignee: PSI CO., LTD.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20170317228
    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: Application
    Filed: November 13, 2015
    Publication date: November 2, 2017
    Applicant: PSI CO., LTD.
    Inventor: Yeon Goog SUNG
  • Publication number: 20170250168
    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: Application
    Filed: February 24, 2017
    Publication date: August 31, 2017
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20170200859
    Abstract: The present disclosure relates to a method for manufacturing a self-assembled nano-scale LED electrode assembly and more particularly, to a method for manufacturing a self-assembled nano-scale LED electrode assembly in which a nano-scale LED device can be self-aligned on two different electrodes without being chemically and physically damaged and the number of nano-scale LED devices to be mounted can be remarkably increased, and alignment and electrical connection of the LED devices can be further improved.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 13, 2017
    Applicant: PSI Co., Ltd.
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20170141279
    Abstract: A method of manufacturing a nano-scale LED electrode assembly including a selective metal ohmic layer is disclosed. Specifically, the method can be useful in increasing conductivity between a nano-scale LED device and electrodes and also reducing contact resistance therebetween by depositing a conductive material in a region in which the nano-scale LED device comes in contact with the electrodes so as to improve the contact between the nano-scale LED device and the electrodes, thereby further improving light extraction efficiency of the nano-scale LED device.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 18, 2017
    Applicant: PSI Co., Ltd.
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20170138549
    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: November 17, 2016
    Publication date: May 18, 2017
    Applicant: PSI Co., Ltd.
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 9293668
    Abstract: A phosphor-converted single-color LED is provided. The phosphor-converted single-color LED includes a long-wavelength pass filter having a special construction. The phosphor-converted single-color LED has high color purity and efficiency despite the use of a phosphor in the form of a nano/micro powder.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: March 22, 2016
    Assignee: PSI CO., LTD.
    Inventors: Young-Rag Do, Yeon-Goog Sung
  • Patent number: 9112112
    Abstract: Disclosed is a subminiature LED element and a manufacturing method thereof. The subminiature LED element includes a first conductive semiconductor layer, an active layer formed on the first conductive semiconductor layer, and a semiconductor light emission element of a micrometer or nanometer size including a second conductive semiconductor layer formed on the active layer, wherein the outer circumference of the semiconductor light emission element is coated with an insulation film.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: August 18, 2015
    Assignee: PSI CO., LTD.
    Inventors: Young-Rag Do, Yeon-Goog Sung