Patents by Inventor Yong chan Ju

Yong chan Ju 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: 11963386
    Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Yeong Song, Won Jong Kim, Yi Su Kim, Jong Woo Kim, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
  • Patent number: 11825702
    Abstract: An embodiment of the invention provides a display device including a display panel including corner portions having cut patterns defined by cut portions. The display panel includes a substrate, a light-emitting element including a pixel electrode, an emissive layer and a common electrode and disposed on the substrate in the cut pattern, a first inorganic encapsulation layer disposed on the common electrode in the cut pattern; an organic encapsulation layer disposed on the first inorganic encapsulation layer in the cut pattern; and an organic pattern disposed on the substrate in the cut portions.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Yeong Song, Jong Woo Kim, Yong Chan Ju, Jae Heung Ha, Won Jong Kim, Hee Yeon Park, Hye In Yang, Woo Suk Jung
  • Publication number: 20230108432
    Abstract: A display device includes a first substrate, a second substrate disposed on the first substrate, a display disposed on the first substrate, a sealant disposed between the first substrate and the second substrate along an outer portion of the second substrate and attaching the first substrate to the second substrate together, and a filler disposed in a space defined by the first substrate, the second substrate and the sealant. The filler is spaced apart from an inner surface of the sealant with an empty space disposed therebetween. An edge of the filler is inclined with respect to a first surface of the second substrate.
    Type: Application
    Filed: May 23, 2022
    Publication date: April 6, 2023
    Inventors: SO YOUNG OH, Jae Heung Ha, Won jong Kim, Jong woo Kim, Hee Yeon Park, Chang Yeong Song, Hye IN Yang, Woo suk Jung, Yong chan Ju
  • Publication number: 20220416207
    Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.
    Type: Application
    Filed: September 2, 2022
    Publication date: December 29, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Chang Yeong SONG, Won Jong KIM, Yi Su KIM, Jong Woo KIM, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
  • Patent number: 11456438
    Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Yeong Song, Won Jong Kim, Yi Su Kim, Jong Woo Kim, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
  • Publication number: 20220052137
    Abstract: An embodiment of the invention provides a display device including a display panel including corner portions having cut patterns defined by cut portions. The display panel includes a substrate, a light-emitting element including a pixel electrode, an emissive layer and a common electrode and disposed on the substrate in the cut pattern, a first inorganic encapsulation layer disposed on the common electrode in the cut pattern; an organic encapsulation layer disposed on the first inorganic encapsulation layer in the cut pattern; and an organic pattern disposed on the substrate in the cut portions.
    Type: Application
    Filed: April 15, 2021
    Publication date: February 17, 2022
    Inventors: Chang Yeong SONG, Jong Woo KIM, Yong Chan JU, Jae Heung HA, Won Jong KIM, Hee Yeon PARK, Hye In YANG, Woo Suk JUNG
  • Patent number: 11165044
    Abstract: A display device may include a substrate and a light emitting element disposed on the substrate. An encapsulation layer covers the light emitting element. The encapsulation layer includes at least two inorganic encapsulation layers and at least one organic encapsulation layer. The at least one organic encapsulation layer includes a first organic material having a permittivity less than or equal to about 3.0. A low permittivity layer is disposed on the encapsulation layer. The low permittivity layer includes a second organic material and first hollow particles dispersed in the second organic material. An input sensing layer is disposed on the low permittivity layer.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Su Kim, Young Gu Kim, Chang Yeong Song, Hye In Yang, Woo Suk Jung, Yong Chan Ju, Jae Heung Ha
  • Publication number: 20210175471
    Abstract: A display device may include a substrate and a light emitting element disposed on the substrate. An encapsulation layer covers the light emitting element. The encapsulation layer includes at least two inorganic encapsulation layers and at least one organic encapsulation layer. The at least one organic encapsulation layer includes a first organic material having a permittivity less than or equal to about 3.0. A low permittivity layer is disposed on the encapsulation layer. The low permittivity layer includes a second organic material and first hollow particles dispersed in the second organic material. An input sensing layer is disposed on the low permittivity layer.
    Type: Application
    Filed: July 21, 2020
    Publication date: June 10, 2021
    Inventors: Yi Su KIM, Young Gu KIM, Chang Yeong SONG, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
  • Publication number: 20210143369
    Abstract: A display apparatus includes a base substrate, a light emitting structure disposed on the base substrate, and a thin film encapsulation layer disposed on the light emitting structure and including at least one inorganic layer and at least one organic layer. The at least one inorganic layer includes a high density layer having a density of greater than or equal to about 2.0 g/cm3 and a low density layer having a density of less than about 2.0 g/cm3. The high density layer and the low density layer are in contact with each other.
    Type: Application
    Filed: August 12, 2020
    Publication date: May 13, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Chang Yeong SONG, Won Jong KIM, Yi Su KIM, Jong Woo KIM, Hye In YANG, Woo Suk JUNG, Yong Chan JU, Jae Heung HA
  • Patent number: 9343700
    Abstract: Provided is a display apparatus including: a substrate including a display area and a periphery; a display element disposed on the display area of the substrate; and an encapsulation layer including a first inorganic layer, an organic layer, and a second inorganic layer that are sequentially formed to cover the display element, wherein the organic layer includes: a first organic layer formed on of the periphery of the substrate and on the substrate; and a second organic layer formed on the first inorganic layer so as to overlap the display element.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Jong-Woo Kim, Yong-Chan Ju, Yun-Ah Chung
  • Publication number: 20160043342
    Abstract: Disclosed are a flexible display apparatus and a method of manufacturing the same. The method includes preparing an organic layer material for a thin film encapsulation layer, coating an edge area and a central area of a substrate with the organic layer material by using a plurality of nozzles, and finishing an organic layer for the thin film encapsulation layer on the substrate. An amount of the organic layer material is adjusted by selectively driving a variable adjustment unit of the substrate.
    Type: Application
    Filed: January 9, 2015
    Publication date: February 11, 2016
    Inventors: Byoung-Duk Lee, Eung-Seok Park, Won-Min Yun, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Patent number: 9093651
    Abstract: In an aspect, a composition including an acrylate monomer, and aromatic aryl amine compound, an organic light emitting display apparatus including the composition and a method of manufacturing an organic light emitting display apparatus including the composition are provided.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Duk Lee, Yong-Tack Kim, Jong-Woo Kim, Min-Ho Oh, So-Young Lee, Jin-Hwan Jeon, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Publication number: 20150060797
    Abstract: In an aspect, a composition including an acrylate monomer, and aromatic aryl amine compound, an organic light emitting display apparatus including the composition and a method of manufacturing an organic light emitting display apparatus including the composition are provided.
    Type: Application
    Filed: July 14, 2014
    Publication date: March 5, 2015
    Inventors: Byoung-Duk Lee, Yong-Tack Kim, Jong-Woo Kim, Min-Ho Oh, So-Young Lee, Jin-Hwan Jeon, Yun-Ah Chung, Yoon-Hyeung Cho, Yong-Chan Ju
  • Publication number: 20150048326
    Abstract: Provided is a display apparatus including: a substrate including a display area and a periphery; a display element disposed on the display area of the substrate; and an encapsulation layer including a first inorganic layer, an organic layer, and a second inorganic layer that are sequentially formed to cover the display element, wherein the organic layer includes: a first organic layer formed on of the periphery of the substrate and on the substrate; and a second organic layer formed on the first inorganic layer so as to overlap the display element.
    Type: Application
    Filed: May 21, 2014
    Publication date: February 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Jong-Woo Kim, Yong-Chan Ju, Yun-Ah Chung
  • Patent number: 8716690
    Abstract: A variable resistor, a nonvolatile memory device and methods of fabricating the same are provided. The variable resistor includes an anode electrode and a cathode electrode, a variable resistive layer including CdS nanoscale particles provided between the anode electrode and the cathode electrode, and an initial metal atom diffusion layer within the variable resistive layer. The variable resistor is a bipolar switching element and configured to be in a reset state when a positive voltage relative to a cathode electrode is applied to the anode electrode, and configured to be in a set state when a negative voltage relative to the cathode electrode is applied to the anode electrode.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: May 6, 2014
    Assignees: SK Hynic Inc., Korea University Research and Business Foundation
    Inventors: Woong Kim, Yong chan Ju, Seungwook Kim