Patents by Inventor Ho Kwack

Ho Kwack 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: 20240081093
    Abstract: A display device includes a substrate, a first electrode disposed on the substrate, an organic light-emitting layer disposed on the first electrode, a second electrode disposed on the organic light-emitting layer, an encapsulation layer disposed on the second electrode, and a touch layer disposed on the encapsulation layer. The encapsulation layer includes a first inorganic layer, a first organic layer, a second organic layer, and a second inorganic layer. The first inorganic layer is disposed on the second electrode, the first organic layer is disposed on the first inorganic layer, the second organic layer is disposed on the first organic layer and has a greater ring parameter than the first organic layer, and the second inorganic layer is disposed on the second organic layer.
    Type: Application
    Filed: June 2, 2023
    Publication date: March 7, 2024
    Inventors: Jin Ho KWACK, Je Won YOO, Chang Mok KIM
  • Publication number: 20230292549
    Abstract: A manufacturing method of a display panel includes forming pixels in a display area of a substrate, and forming a metal wiring and a dam portion in a non-display area of the substrate, forming an encapsulation layer using an inorganic insulating material and an organic insulating material to cover the display area of the substrate and inspecting presence or absence of a remaining layer including the organic insulating material, which is formed in a remaining area of the encapsulation layer except for the display area, using a filter having a predetermined wavelength range.
    Type: Application
    Filed: March 2, 2023
    Publication date: September 14, 2023
    Inventors: Seung Woo SEO, Yoon Kyoung PARK, Seung Jae LEE, Jin Ho KWACK, Young Seo CHOI
  • Publication number: 20220416200
    Abstract: A display device includes a substrate; a first electrode disposed on the substrate; a bank layer disposed on the substrate and including an opening exposing the first electrode; an emissive layer disposed on the first electrode exposed by the bank layer; a second electrode disposed on the bank layer and the emissive layer; an encapsulation layer disposed on the second electrode; and a touch layer disposed on the encapsulation layer, in which the encapsulation layer includes at least one inorganic film and at least one organic film, and in which the organic film contains organic molecules having an oval shape.
    Type: Application
    Filed: April 19, 2022
    Publication date: December 29, 2022
    Inventors: Yoon Kyoung PARK, Jin Ho KWACK, Chang Mok KIM, Man Jae PARK, Seung Jae LEE
  • Patent number: 11019743
    Abstract: A display device includes: a display panel which is curved and displays an image; a cover window which is disposed on a front surface of the display panel at which the image is displayed; and a cover panel which is curved and disposed on a curved back surface of the display panel opposite to the front surface thereof. The cover panel is defined by a flat cover panel which is curved by attachment thereof to the curved back surface of the display panel, and the flat cover panel which is curved to define the cover panel includes a cutout portion therein recessed from an outer edge of the flat cover panel toward a center of the flat cover panel.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Woo Choi, Jun Ho Kwack, Ji Yun Bang, Jae Young Sim
  • Patent number: 10847406
    Abstract: An apparatus for manufacturing a display device includes a first jig including a first side, the first side having a concave groove for receiving a cover window, wherein the cover window includes a first planar portion, a first curved portion and a second curved portion, wherein the first and second curved portions are disposed at opposite ends of the first planar portion in a first direction, a second jig including a planar side for receiving a display panel, wherein when the second jig is moved in a second direction crossing the first direction with the display panel on the planar side, the display panel is disposed between the first and second curved portions of the cover window, and a pair of third jigs for supporting the first and second curved portions of the cover window.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang Han Son, Jun Ho Kwack, Se Hun Park, Young Kuil Joo
  • Patent number: 10671123
    Abstract: A structure for a display device and a display device are provided. A structure for a display device includes a surface of which at least a portion thereof is not flat, and another surface that is flat. A display device includes: a display panel; and a structure contacting the display panel, and at least some of a first surface of the display panel may have a first curved shape, the structure may have a second surface contacting the first surface of the display panel, at least a portion of the second surface of the structure may have a second curved shape, and the structure may include a third surface that is opposite the second surface and is flat, and a driver is attached and fixed to the flat third surface of the structure.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Yun Bang, Jun Ho Kwack, Jae Young Sim, Hyun-Woo Choi
  • Publication number: 20200152501
    Abstract: An apparatus for manufacturing a display device includes a first jig including a first side, the first side having a concave groove for receiving a cover window, wherein the cover window includes a first planar portion, a first curved portion and a second curved portion, wherein the first and second curved portions are disposed at opposite ends of the first planar portion in a first direction, a second jig including a planar side for receiving a display panel, wherein when the second jig is moved in a second direction crossing the first direction with the display panel on the planar side, the display panel is disposed between the first and second curved portions of the cover window, and a pair of third jigs for supporting the first and second curved portions of the cover window.
    Type: Application
    Filed: January 20, 2020
    Publication date: May 14, 2020
    Inventors: Yang Han SON, Jun Ho KWACK, Se Hun PARK, Young Kuil JOO
  • Patent number: 10566573
    Abstract: An organic light emitting display apparatus including a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 10559489
    Abstract: An apparatus for manufacturing a display device includes a first jig including a first side, the first side having a concave groove for receiving a cover window, wherein the cover window includes a first planar portion, a first curved portion and a second curved portion, wherein the first and second curved portions are disposed at opposite ends of the first planar portion in a first direction, a second jig including a planar side for receiving a display panel, wherein when the second jig is moved in a second direction crossing the first direction with the display panel on the planar side, the display panel is disposed between the first and second curved portions of the cover window, and a pair of third jigs for supporting the first and second curved portions of the cover window.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 11, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yang Han Son, Jun Ho Kwack, Se Hun Park, Young Kuil Joo
  • Publication number: 20190237705
    Abstract: An organic light emitting display apparatus including a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Inventors: Tae-WooK KANG, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Publication number: 20190215976
    Abstract: A display device includes: a display panel which is curved and displays an image; a cover window which is disposed on a front surface of the display panel at which the image is displayed; and a cover panel which is curved and disposed on a curved back surface of the display panel opposite to the front surface thereof. The cover panel is defined by a flat cover panel which is curved by attachment thereof to the curved back surface of the display panel, and the flat cover panel which is curved to define the cover panel includes a cutout portion therein recessed from an outer edge of the flat cover panel toward a center of the flat cover panel.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 11, 2019
    Inventors: Hyun Woo CHOI, Jun Ho KWACK, Ji Yun BANG, Jae Young SIM
  • Patent number: 10335981
    Abstract: A display apparatus includes a first substrate including a display region and a peripheral region, where the peripheral region surrounds the display region, a second substrate disposed opposite to the first substrate, a resin layer disposed between the first substrate and the second substrate, where the resin layer covers a surface of the second substrate, a first member disposed at a bottom surface of the second substrate corresponding to the peripheral region of the first substrate, where the first member covers a portion of the resin layer, and a second member which surrounds the first substrate, the second substrate, the first member and the resin layer, where the second member is disposed at opposing side portions of the second substrate, the second member is spaced apart from the first substrate, and the second member surrounds opposing side portions of the resin layer.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyu-Ho Jung, Young-In Lim, Jun-Ho Kwack, Sang-Hee Choi
  • Patent number: 10297790
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Publication number: 20190138057
    Abstract: A structure for a display device and a display device are provided. A structure for a display device includes a surface of which at least a portion thereof is not flat, and another surface that is flat. A display device includes: a display panel; and a structure contacting the display panel, and at least some of a first surface of the display panel may have a first curved shape, the structure may have a second surface contacting the first surface of the display panel, at least a portion of the second surface of the structure may have a second curved shape, and the structure may include a third surface that is opposite the second surface and is flat, and a driver is attached and fixed to the flat third surface of the structure.
    Type: Application
    Filed: July 10, 2018
    Publication date: May 9, 2019
    Inventors: Ji Yun Bang, Jun Ho Kwack, Jae Young Sim, Hyun-Woo Choi
  • Patent number: 10011100
    Abstract: A slit nozzle includes: a first head, a second head facing the first head; and a plurality of cores located between the first head and the second head, wherein the plurality of cores includes: a first core and a third core for coating a coating solution; and a second core located between the first core and the third core so that coating of the coating solution via the first core and the third core is achieved at different instants of time.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: July 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Kwack, Sung-Sang Ahn, Young-Sik Kim
  • Publication number: 20170263492
    Abstract: An apparatus for manufacturing a display device includes a first jig including a first side, the first side having a concave groove for receiving a cover window, wherein the cover window includes a first planar portion, a first curved portion and a second curved portion, wherein the first and second curved portions are disposed at opposite ends of the first planar portion in a first direction, a second jig including a planar side for receiving a display panel, wherein when the second jig is moved in a second direction crossing the first direction with the display panel on the planar side, the display panel is disposed between the first and second curved portions of the cover window, and a pair of third jigs for supporting the first and second curved portions of the cover window.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 14, 2017
    Inventors: Yang Han SON, Jun Ho Kwack, Se Hun Park, Young Kuil Joo
  • Publication number: 20170077453
    Abstract: An organic :light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 16, 2017
    Inventors: Tae-Wook KANG, Dong-Won HAN, Young-Seo CHOI, Jin-Ho KWACK
  • Patent number: 9507192
    Abstract: A display device includes a cover window having curves at one or more outer blocks of the cover window, an outside and an inside of the cover window each having a shape of a quadrisected arc of an ellipse and together forming a lens, and a thickness of the cover window at one of the outer blocks being thicker than a thickness of the cover window at a center of the cover window; and a display panel attached to the inside of the cover window.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: November 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Lim, Jun-Ho Kwack
  • Patent number: 9496518
    Abstract: An organic light-emitting display apparatus includes a substrate; a display unit which defines an active area on the substrate and includes a thin film transistor and an organic light-emitting device electrically connected to each other; and an encapsulation layer disposed on a top surface and a side surface of the display unit, the encapsulation layer including at least a first inorganic layer, a first organic layer, and a second inorganic layer that are sequentially stacked, and the first organic layer covers the first inorganic layer.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Ho Kwack, Tae-Wook Kang, Dae-Beom Shin, Dong-Won Han
  • Patent number: 9490450
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack