Patents by Inventor Jai-Hyuk Choi

Jai-Hyuk Choi 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: 10480076
    Abstract: A plasma enhanced chemical vapor deposition (PECVD) apparatus including a chamber; an upper electrode in the chamber; a spray unit in the upper electrode to spray a gas introduced from outside the chamber toward a substrate inside the chamber; a susceptor on which the substrate is mountable; a plurality of mask supports in a mask frame at an edge of the susceptor, the mask supports being formed of a conductive material that provides elastic force by supporting a mask to maintain and control a level of the mask; and a power supply unit to supply power to the upper electrode.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jai Hyuk Choi, Won Woong Park, Sung Hun Key, Min Soo Kim, Byeong Chun Lee, Suk Won Jung, Hyun Woo Joo, Myung Soo Huh
  • Patent number: 9614182
    Abstract: A method of manufacturing a display apparatus, the method including forming a display device on a substrate; and forming a thin-film encapsulation layer on the display device, the thin-film encapsulation layer including at least one inorganic layer that includes low-temperature viscosity transition (LVT) inorganic materials, wherein forming the thin-film encapsulation layer includes irradiating energy beams toward the thin-film encapsulation layer during formation of the thin-film encapsulation layer.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jai-Hyuk Choi
  • Patent number: 9614181
    Abstract: Provided is an organic light emitting display apparatus. The apparatus may include a substrate including a display region where an image is realized and a non-display region surrounding the display region. The apparatus includes an organic light emitting unit including a first electrode, an intermediate layer, and a second electrode, which are disposed in the display region and are sequentially stacked on the substrate. The apparatus also includes a first inorganic film including a first low temperature viscosity transition (LVT) inorganic material having a first viscosity transition temperature, and covering the organic light emitting unit; and a second inorganic film including a second LVT inorganic material having a second viscosity transition temperature lower than the first viscosity transition temperature, and formed in the non-display region.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ung-Soo Lee, Jae-Sun Lee, Hun Kim, Jai-Hyuk Choi, Su-Hyuk Choi, Jin-Woo Park
  • Publication number: 20170002468
    Abstract: A plasma enhanced chemical vapor deposition (PECVD) apparatus including a chamber; an upper electrode in the chamber; a spray unit in the upper electrode to spray a gas introduced from outside the chamber toward a substrate inside the chamber; a susceptor on which the substrate is mountable; a plurality of mask supports in a mask frame at an edge of the susceptor, the mask supports being formed of a conductive material that provides elastic force by supporting a mask to maintain and control a level of the mask; and a power supply unit to supply power to the upper electrode.
    Type: Application
    Filed: February 22, 2016
    Publication date: January 5, 2017
    Inventors: Jai Hyuk CHOI, Won Woong PARK, Sung Hun KEY, Min Soo KIM, Byeong Chun LEE, Suk Won JUNG, Hyun Woo JOO, Myung Soo HUH
  • Patent number: 9490449
    Abstract: An organic light-emitting display apparatus includes: a substrate, and an organic light-emitting device disposed on the substrate. The organic light-emitting device includes a first electrode, a second electrode, and an intermediate layer including at least an organic emission layer. In addition, the organic light-emitting display apparatus further includes a thin film encapsulating layer disposed on the organic light-emitting device. The thin film encapsulating layer includes at least one inorganic film including a low temperature viscosity transition (LVT) inorganic material. The LVT inorganic material includes tin oxide and at least one of boron oxide (B2O3), bismuth oxide (Bi2O3), barium oxide (BaO), and ammonium dihydrogen phosphate (NH4H2PO4).
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Hyuk Choi, Hyun Kim, Jae-Sun Lee, Jai-Hyuk Choi, Ung-Soo Lee, Jin-Woo Park
  • Patent number: 9406901
    Abstract: An organic light-emitting display apparatus and a method of manufacturing the organic light-emitting display apparatus. The organic light-emitting display apparatus includes a substrate; a display unit on the substrate; and an encapsulating layer encapsulating the display unit. The encapsulating layer is formed of a low-temperature viscosity transition inorganic material. The encapsulating layer includes nitrogen.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ung-Soo Lee, Jae-Sun Lee, Hun Kim, Jai-Hyuk Choi, Su-Hyuk Choi, Jin-Woo Park
  • Patent number: 9324967
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes disposing a low melting glass (LMG) thin film to cover a display unit disposed on a substrate, and radiating an energy beam onto the LMG thin film. Accordingly, an encapsulation layer having excellent sealing characteristics may be rapidly formed, and thus manufacturing process efficiency and product reliability may be improved.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: April 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jai-Hyuk Choi, Jin-Woo Park, Ung-Soo Lee, Su-Hyuk Choi
  • Publication number: 20150364719
    Abstract: A method of manufacturing a display apparatus, the method including forming a display device on a substrate; and forming a thin-film encapsulation layer on the display device, the thin-film encapsulation layer including at least one inorganic layer that includes low-temperature viscosity transition (LVT) inorganic materials, wherein forming the thin-film encapsulation layer includes irradiating energy beams toward the thin-film encapsulation layer during formation of the thin-film encapsulation layer.
    Type: Application
    Filed: November 3, 2014
    Publication date: December 17, 2015
    Inventor: Jai-Hyuk CHOI
  • Patent number: 9048452
    Abstract: A method for manufacturing an organic light emitting display device includes mounting in a chamber a substrate where a transparent electrode is to be formed and a SnO member that is a source of forming the transparent electrode, injecting argon gas and oxygen into the chamber, and evaporating the SnO member to be deposited on the substrate.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun Kim, Jin-Woo Park, Jai-Hyuk Choi
  • Patent number: 9006777
    Abstract: An organic light-emitting display and methods of manufacturing the same are disclosed. In one aspect, an organic light-emitting apparatus includes a substrate, a display unit on the substrate, a step compensation layer formed on the display unit and supplementing a step on a surface of the display unit, a first intermediate layer formed on the step compensation layer, and an encapsulation layer formed on the first intermediate layer and sealing the display unit.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ung-Soo Lee, Jae-Sun Lee, Hun Kim, Jai-Hyuk Choi, Su-Hyuk Choi, Jin-Woo Park
  • Patent number: 8969110
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes: providing an organic light emission part on a substrate; providing a first inorganic layer including a first low temperature viscosity transition (“LVT”) inorganic material on the substrate to cover the organic light emission part; and adding fluoride into the first inorganic layer using a fluorine group material such that the first inorganic layer is converted into a second inorganic layer comprising a second low temperature viscosity transition inorganic material.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jai-Hyuk Choi
  • Publication number: 20150050756
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes providing an organic light-emitting device including a first electrode, a second electrode and an intermediate layer including an organic emission layer, on a substrate; forming a pre-thin film encapsulation layer including an inorganic layer including a low temperature viscosity (“LVT”) inorganic material, on the organic light-emitting device; and selectively irradiating a beam having certain energy to a local area of the pre-thin film encapsulation layer.
    Type: Application
    Filed: April 24, 2014
    Publication date: February 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Su-Hyuk Choi, Jin-Woo Park, Jai-Hyuk Choi
  • Publication number: 20150028301
    Abstract: An organic light-emitting display apparatus includes: a substrate, and an organic light-emitting device disposed on the substrate. The organic light-emitting device includes a first electrode, a second electrode, and an intermediate layer including at least an organic emission layer. In addition, the organic light-emitting display apparatus further includes a thin film encapsulating layer disposed on the organic light-emitting device. The thin film encapsulating layer includes at least one inorganic film including a low temperature viscosity transition (LVT) inorganic material. The LVT inorganic material includes tin oxide and at least one of boron oxide (B2O3), bismuth oxide (Bi2O3), barium oxide (BaO), and ammonium dihydrogen phosphate (NH4H2PO4).
    Type: Application
    Filed: April 21, 2014
    Publication date: January 29, 2015
    Inventors: SU-HYUK CHOI, HYUN KIM, JAE-SUN LEE, JAI-HYUK CHOI, UNG-SOO LEE, JIN-WOO PARK
  • Publication number: 20150028291
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes disposing a low melting glass (LMG) thin film to cover a display unit disposed on a substrate, and radiating an energy beam onto the LMG thin film. Accordingly, an encapsulation layer having excellent sealing characteristics may be rapidly formed, and thus manufacturing process efficiency and product reliability may be improved.
    Type: Application
    Filed: October 23, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jai-Hyuk Choi, Jin-Woo Park, Ung-Soo Lee, Su-Hyuk Choi
  • Publication number: 20150031152
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes: providing an organic light emission part on a substrate; providing a first inorganic layer including a first low temperature viscosity transition (“LVT”) inorganic material on the substrate to cover the organic light emission part; and adding fluoride into the first inorganic layer using a fluorine group material such that the first inorganic layer is converted into a second inorganic layer comprising a second low temperature viscosity transition inorganic material.
    Type: Application
    Filed: December 18, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventor: Jai-Hyuk Choi
  • Publication number: 20150014653
    Abstract: Provided is an organic light emitting display apparatus. The apparatus may include a substrate including a display region where an image is realized and a non-display region surrounding the display region. The apparatus includes an organic light emitting unit including a first electrode, an intermediate layer, and a second electrode, which are disposed in the display region and are sequentially stacked on the substrate. The apparatus also includes a first inorganic film including a first low temperature viscosity transition (LVT) inorganic material having a first viscosity transition temperature, and covering the organic light emitting unit; and a second inorganic film including a second LVT inorganic material having a second viscosity transition temperature lower than the first viscosity transition temperature, and formed in the non-display region.
    Type: Application
    Filed: March 3, 2014
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ung-Soo LEE, Jae-Sun LEE, Hun KIM, Jai-Hyuk CHOI, Su-Hyuk CHOI, Jin-Woo PARK
  • Patent number: 8907562
    Abstract: An organic light emitting diode display includes a substrate, an organic light emitting unit disposed on the substrate and including a laminate of a first electrode, an organic emission film, and a second electrode, a first inorganic film formed on the substrate to cover the organic light emitting unit, the first inorganic film including SnO2, and a second inorganic film formed on the first inorganic film, the second inorganic film including SnO2 at a top surface and including SnO, a proportion of the SnO increasing in a direction from the top surface of the second inorganic film toward the first inorganic film.
    Type: Grant
    Filed: August 31, 2013
    Date of Patent: December 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun Kim, Jin-Woo Park, Jai-Hyuk Choi
  • Publication number: 20140319476
    Abstract: An organic light-emitting display and methods of manufacturing the same are disclosed. In one aspect, an organic light-emitting apparatus includes a substrate, a display unit on the substrate, a step compensation layer formed on the display unit and supplementing a step on a surface of the display unit, a first intermediate layer formed on the step compensation layer, and an encapsulation layer formed on the first intermediate layer and sealing the display unit.
    Type: Application
    Filed: September 25, 2013
    Publication date: October 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ung-Soo Lee, Jae-Sun Lee, Hun Kim, Jai-Hyuk Choi, Su-Hyuk Choi, Jin-Woo Park
  • Publication number: 20140312313
    Abstract: An organic light-emitting display apparatus and a method of manufacturing the organic light-emitting display apparatus. The organic light-emitting display apparatus includes a substrate; a display unit on the substrate; and an encapsulating layer encapsulating the display unit. The encapsulating layer is formed of a low-temperature viscosity transition inorganic material. The encapsulating layer includes nitrogen.
    Type: Application
    Filed: August 13, 2013
    Publication date: October 23, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ung-Soo Lee, Jae-Sun Lee, Hun Kim, Jai-Hyuk Choi, Su-Hyuk Choi, Jin-Woo Park
  • Publication number: 20140217368
    Abstract: A method for manufacturing an organic light emitting display device includes mounting in a chamber a substrate where a transparent electrode is to be formed and a SnO member that is a source of forming the transparent electrode, injecting argon gas and oxygen into the chamber, and evaporating the SnO member to be deposited on the substrate.
    Type: Application
    Filed: July 3, 2013
    Publication date: August 7, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hun Kim, Jin-Woo Park, Jai-Hyuk Choi