Patents by Inventor Yun Jae Eo

Yun Jae Eo 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: 11967607
    Abstract: A light emitting device may include first electrodes and second electrodes that are spaced apart from each other in a first direction, light emitting elements electrically connected between adjacent first and second electrodes among the first and the second electrodes, and a third electrode spaced apart from the first electrodes and the second electrodes. The third electrode may be electrically separated from the first electrodes and the second electrodes.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: April 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rag Do, Yun Jae Eo
  • 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: 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: 11660464
    Abstract: Disclosed is a lighting device for bright therapy and dark therapy, comprising: a light source part including a red light source, a green light source and a blue light source; a power supply part supplying a power to the light source part; and a controller adjusting, by controlling the power supply part, a bio illuminance to allow melatonin suppression value to exceed a first reference value during morning hours and to allow the melatonin suppression value to be less than a second reference value while maintaining a visual illuminance over a predetermined value during evening hours.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: May 30, 2023
    Assignee: Kookmin University Industry Academy Cooperation Foundation
    Inventors: Young Rag Do, Changwook Kim, Yun Jae Eo
  • 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: 20220085249
    Abstract: A light emitting device includes a substrate. First and second electrodes are on the substrate and spaced from each other. A first insulating layer is on the substrate and the first and second electrodes, and includes openings to partially expose opposing portions of the first and second electrodes adjacent an area between the first and second electrodes. At least one light emitting element is located in the opening. A first end of the at least one light emitting element is connected to a first portion of the first electrode exposed by the opening, and a second end of the at least one light emitting element is connected to a second portion of the second electrode exposed by the opening.
    Type: Application
    Filed: July 15, 2019
    Publication date: March 17, 2022
    Inventors: Young Rag DO, Yun Jae EO
  • Publication number: 20220077356
    Abstract: A light emitting device may include a substrate. A light emitting element layer may be disposed on the substrate and may include light emitting elements having a rod shape. A color conversion layer may be disposed on the light emitting element layer and may include color conversion elements having a rod shape. A first alignment direction of the light emitting elements and a second alignment direction of the color conversion elements may be substantially parallel to each other or intersect at a predetermined angle.
    Type: Application
    Filed: July 15, 2019
    Publication date: March 10, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rag DO, Yun Jae EO
  • Publication number: 20220077228
    Abstract: A light emitting device may include first electrodes and second electrodes that are spaced apart from each other in a first direction, light emitting elements electrically connected between adjacent first and second electrodes among the first and the second electrodes, and a third electrode spaced apart from the first electrodes and the second electrodes. The third electrode may be electrically separated from the first electrodes and the second electrodes.
    Type: Application
    Filed: July 15, 2019
    Publication date: March 10, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rag DO, Yun Jae EO
  • Publication number: 20220068876
    Abstract: A display device and a manufacturing method thereof are provided. The display device comprises: a substrate in which a first region and a second region that is a region other than the first area, are defined; a first electrode and a second electrode that are at least partially spaced apart from each other in the first area on the substrate; a coating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode in the first region, wherein the coating layer comprises: an opening exposing at least portion of the first electrode and the second electrode in the first region, wherein the coating layer comprises: an opening exposing at least portion of the first electrode and the second electrode; and a first coating layer disposed in a region other than the opening and including a material having a first polarity.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 3, 2022
    Inventors: Young Rag DO, Hee Yeon YOO, Yun Jae EO
  • Publication number: 20220069178
    Abstract: A display device and a method for manufacturing a display device are provided. A display device includes: a base layer; first and second electrodes which are located on the base layer; at least one light emitting diode which is located between the first and second electrodes and configured to emit light; and a protective layer which is located on the base layer and arranged to cover at least the first and second electrodes and the light emitting diode, and the protective layer includes a substrate layer and a light emission pattern formed by at least a partial region protruding from a surface of the substrate layer.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 3, 2022
    Inventors: Young Rag DO, Yun Jae EO, Hoo Keun PARK
  • 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: 11018195
    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: March 15, 2019
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20210031050
    Abstract: Disclosed is a lighting device for bright therapy and dark therapy, comprising: a light source part including a red light source, a green light source and a blue light source; a power supply part supplying a power to the light source part; and a controller adjusting, by controlling the power supply part, a bio illuminance to allow melatonin suppression value to exceed a first reference value during morning hours and to allow the melatonin suppression value to be less than a second reference value while maintaining a visual illuminance over a predetermined value during evening hours.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Inventors: Young Rag DO, Changwook KIM, Yun Jae EO
  • Publication number: 20190341424
    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: July 22, 2019
    Publication date: November 7, 2019
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Patent number: 10361246
    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: September 15, 2017
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • 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: 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
  • 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
  • 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