Patents by Inventor Jin-Ho Kwack

Jin-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: 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
  • 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
  • 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: 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: 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
  • Patent number: 9318723
    Abstract: An organic light-emitting display device including a substrate on which a display region and a non-display region are defined is described, the organic light-emitting display device comprising: a first electrode disposed on a substrate; an intermediate layer disposed on the first electrode and including an organic light-emitting layer; a second electrode disposed on the intermediate layer; an encapsulation layer disposed on the substrate; a plurality of pad units disposed on the non-display region; a wiring unit disposed on the display region; and a bridge wiring that is disposed across the display region and the non-display region and connects one of the plurality of pad units and the wiring unit to each other.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: April 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Young-Seo Choi, Jin-Ho Kwack
  • Patent number: 9136502
    Abstract: An organic light emitting diode display includes a substrate having organic light emitting diodes thereon. A thin film encapsulation layer is formed on the substrate such that the thin film encapsulation layer covers the organic light emitting diodes. A nonorganic layer is formed under the thin film encapsulation layer along the edge of the thin film encapsulation layer.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 15, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dong-Won Han, Kyu-Sung Lee
  • Publication number: 20150236299
    Abstract: An organic light-emitting display device including a substrate on which a display region and a non-display region are defined is described, the organic light-emitting display device comprising: a first electrode disposed on a substrate; an intermediate layer disposed on the first electrode and including an organic light-emitting layer; a second electrode disposed on the intermediate layer; an encapsulation layer disposed on the substrate; a plurality of pad units disposed on the non-display region; a wiring unit disposed on the display region; and a bridge wiring that is disposed across the display region and the non-display region and connects one of the plurality of pad units and the wiring unit to each other.
    Type: Application
    Filed: May 7, 2015
    Publication date: August 20, 2015
    Inventors: Tae-Wook KANG, Young-Seo CHOI, Jin-Ho KWACK
  • Patent number: 9095016
    Abstract: An OLED display includes a substrate on which OLEDs are formed, a TFE layer formed on the substrate so as to cover the OLEDs, and absorbers disposed at a distance from each other and preventing or inhibiting penetration of external foreign materials.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: July 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dong-Won Han, Min-Chul Suh, Hyo-Jin Kim
  • Patent number: 9054060
    Abstract: An organic light-emitting display device including a substrate on which a display region and a non-display region are defined is described, the organic light-emitting display device comprising: a first electrode disposed on a substrate; an intermediate layer disposed on the first electrode and including an organic light-emitting layer; a second electrode disposed on the intermediate layer; an encapsulation layer disposed on the substrate; a plurality of pad units disposed on the non-display region; a wiring unit disposed on the display region; and a bridge wiring that is disposed across the display region and the non-display region and connects one of the plurality of pad units and the wiring unit to each other.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: June 9, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Young-Seo Choi, Jin-Ho Kwack
  • Publication number: 20150048331
    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: Application
    Filed: July 7, 2014
    Publication date: February 19, 2015
    Inventors: Jin-Ho Kwack, Tae-Wook Kang, Dae-Beom Shin, Dong-Won Han
  • Patent number: 8836216
    Abstract: A flat panel display device and a method of manufacturing the same. The method of manufacturing the flat panel display device includes: forming a display on a substrate; preparing an organic layer mask comprising a first mask body, a regulator extending from the first mask body and contacting the organic layer, and a tunnel having a space between the first mask body and the regulator; forming an organic layer covering the display in a region divided by the regulator of the organic layer mask, and condensing a part of the organic layer permeating through the tunnel; preparing an inorganic layer mask; and forming an inorganic layer covering the organic layers formed in the region divided by the regulator through the inorganic layer mask and in the tunnel.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Seung-Yong Song, Dong-Won Han, Jae-Ho Lee
  • Patent number: 8796727
    Abstract: An organic light emitting diode display includes: a substrate; a display area including an organic light emitting element on the substrate; an organic encapsulation layer covering the organic light emitting element and having a second boundary spaced from a first boundary of the display area by a first distance; and an inorganic encapsulation layer having a peripheral area contacting the substrate and covering the organic encapsulation layer.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dong-Won Han, Dae-Beom Shin, Seung-Yong Song
  • Patent number: 8795018
    Abstract: A method of manufacturing an organic light emitting diode (OLED) display is disclosed. In one aspect, the method includes preparing a substrate, forming a spacer on the substrate along an edge of the substrate, forming a driving circuit and an organic light emitting diode on the substrate to be surrounded by the spacer and forming an encapsulation thin film so as to substantially cover the driving circuit and the organic light emitting diodel. The mask that is used in the forming of the driving circuit and the organic light emitting diode is supported by and contacts the spacer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hun Kang, Min-Chul Suh, Dong-Won Han, Jin-Ho Kwack, Dae-Beom Shin, Hyo-Jin Kim
  • Patent number: 8735936
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes an organic light emitting element formed over a substrate and an encapsulation portion covering the organic light emitting element. Further, the encapsulation portion may include at least one organic layer and at least one inorganic layer, wherein ends of the inorganic layer and the organic layer directly contact the substrate, and wherein the organic layer is thicker than the inorganic layer.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: So-Yeon Kim, Sung-Wook Han, Dong-Won Han, Jin-Ho Kwack, Hyo-Jin Kim
  • Publication number: 20140061618
    Abstract: An organic light-emitting display device including a substrate on which a display region and a non-display region are defined is described, the organic light-emitting display device comprising: a first electrode disposed on a substrate; an intermediate layer disposed on the first electrode and including an organic light-emitting layer; a second electrode disposed on the intermediate layer; an encapsulation layer disposed on the substrate; a plurality of pad units disposed on the non-display region; a wiring unit disposed on the display region; and a bridge wiring that is disposed across the display region and the non-display region and connects one of the plurality of pad units and the wiring unit to each other.
    Type: Application
    Filed: August 27, 2013
    Publication date: March 6, 2014
    Inventors: Tae-Wook KANG, Young-Seo CHOI, Jin-Ho KWACK