Patents by Inventor Su-Hyuk Choi

Su-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).

  • 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: 20150028295
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes preparing a deposition target in which an organic light-emitting portion is formed on a substrate, forming a pre-encapsulation layer for encapsulating the organic light-emitting portion by using a facing target sputtering apparatus, and forming an encapsulation layer by performing a plasma surface process on the pre-encapsulation layer by using the facing target sputtering apparatus. The facing target sputtering apparatus includes a chamber in which a mounting portion for accommodating the deposition target is provided, a gas supply portion facing the mounting portion and supplying gas to the chamber, a first target portion and a second target portion disposed in the chamber and facing each other, and an induced magnetic field coil surrounding the exterior of the chamber.
    Type: Application
    Filed: December 4, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventor: Su-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: 20150028297
    Abstract: A sputtering apparatus, an organic light-emitting display apparatus manufactured using the sputtering apparatus, and a method for manufacturing the organic light-emitting display apparatus are provided. The sputtering apparatus includes: a chamber including a mounting portion configured to hold a deposition target material; a gas supply unit that faces the mounting portion and supplies gas to the chamber; a first target portion and a second target portion that are disposed to face each other within the chamber; and a magnetic field induction coil that surrounds an outside of the chamber.
    Type: Application
    Filed: January 21, 2014
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Su-Hyuk CHOI, Hun KIM, 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: 20150031151
    Abstract: A thin film deposition apparatus, a deposition method using the same, and a method of manufacturing an organic light-emitting display apparatus by using the apparatus are provided. A thin film deposition apparatus is provided that includes a chamber containing a substrate holder on which a substrate is mounted, a plurality of rotary shaft units that change rotation and an inclination angle of the substrate holder, and a target unit that supplies a thin film material for formation on the substrate.
    Type: Application
    Filed: April 25, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ung-Soo LEE, Jin-Woo PARK, Su-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
  • Publication number: 20150014652
    Abstract: A method of fabricating a sputtering target, a sputtering target fabricated by the method, and an organic light-emitting display apparatus fabricated by using the sputtering target. The sputtering target may be used for forming a thin film encapsulation layer. The sputtering target includes tin oxide as a main component, and a copper fluoride compound as a dopant.
    Type: Application
    Filed: February 28, 2014
    Publication date: January 15, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su-Hyuk Choi, Hun Kim, Jin-Woo Park
  • Publication number: 20140319997
    Abstract: An organic light-emitting display device includes: a substrate; an organic light-emitting unit that is formed on the substrate and comprises a first electrode, an intermediate layer, and a second electrode; an organic film formed on the organic light-emitting unit; a first elastic layer that is formed on the organic film and comprises an elastomer; and a first inorganic film that is formed on the first elastic layer and comprises a low temperature viscosity transition (LVT) inorganic material.
    Type: Application
    Filed: August 28, 2013
    Publication date: October 30, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Sun Lee, Su-Hyuk Choi, Ung-Soo Lee
  • 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: 20140224644
    Abstract: A deposition apparatus includes a chamber, a chamber, a substrate placing unit which is located in the chamber and on which a substrate is placed, and a sputter unit for forming a thin film on the substrate. The sputter unit includes a first target unit and a second target unit facing the first target unit. A pair of targets are mounted on each of the first target unit and the second target unit. Argon gas is directly injected between the pair of targets. Accordingly, plasma may be more effectively and stably formed. A method of manufacturing an organic light-emitting display apparatus using the deposition apparatus is also disclosed.
    Type: Application
    Filed: August 26, 2013
    Publication date: August 14, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Su-Hyuk Choi