Patents by Inventor Si-Kyoung Kim

Si-Kyoung Kim 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: 11552143
    Abstract: Embodiments described herein generally relate to sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes substrate, pixel-defining layer (PDL) structures disposed over the section of the substrate, inorganic or metal overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. The PDL structures include a trench disposed in the top surface of the PDL structure. Each sub-pixel includes an anode, an OLED material disposed over and in contact with the anode, and a cathode disposed over the OLED material. The inorganic or metal overhang structures have an overhang extension that extends laterally over the trench. An encapsulation layer is disposed over the cathode and extends under at least a portion of the inorganic or metal overhang structures and along a top surface of the PDL structures.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 10, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ji-young Choung, Jungmin Lee, Chung-Chia Chen, Yusin Lin, Dieter Haas, Si Kyoung Kim
  • Patent number: 11527732
    Abstract: Exemplary methods of backplane processing are described. The methods may include forming a first metal oxide material on a substrate. The methods may include forming a metal layer over the first metal oxide material. The metal layer may be or include silver. The methods may include forming an amorphous protection material over the metal layer. The amorphous protection material may include a second metal oxide material. The methods may include forming a second metal oxide material over the amorphous protection material. The second metal oxide material may include a crystalline material having one or more grain boundaries. The grain boundaries may include one or more voids.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: December 13, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Chung-Chia Chen, Yu-Hsin Lin, Jungmin Lee, Takuji Kato, Dieter Haas, Si Kyoung Kim, Ji Young Choung
  • Publication number: 20220376204
    Abstract: Methods and apparatus for forming organic light emitting diode (OLED) structures disposed on a substrate are provided.
    Type: Application
    Filed: September 14, 2020
    Publication date: November 24, 2022
    Inventors: Yu Hsin LIN, Si Kyoung KIM, Jungmin LEE, Dieter HAAS
  • Publication number: 20220344417
    Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.
    Type: Application
    Filed: July 30, 2021
    Publication date: October 27, 2022
    Inventors: Ji-young CHOUNG, Chung-Chia CHEN, Yu Hsin LIN, Jungmin LEE, Dieter HAAS, Si Kyoung KIM
  • Patent number: 11476313
    Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: October 18, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Ji-young Choung, Dieter Haas, Yu Hsin Lin, Jungmin Lee, Seong Ho Yoo, Si Kyoung Kim
  • Patent number: 11456345
    Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: September 27, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Ji-young Choung, Chung-Chia Chen, Yu Hsin Lin, Jungmin Lee, Dieter Haas, Si Kyoung Kim
  • Patent number: 11348983
    Abstract: Sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in an organic light-emitting diode (OLED) display are described herein. The overhang structures are permanent to the sub-pixel circuit. The overhang structures include a conductive oxide. A first configuration of the overhang structures includes a base portion and a top portion with the top portion disposed on the base portion. In a first sub-configuration, the base portion includes the conductive oxide of at least one of a TCO material or a TMO material. In a second sub-configuration, the base portion includes a metal alloy material and the conductive oxide of a metal oxide surface. A second configuration of the overhang structures includes the base portion and the top portion with a body portion disposed between the base portion and the top portion. The body portion includes the metal alloy body and the metal oxide surface.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: May 31, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Ji-Young Choung, Chung-Chia Chen, Yu Hsin Lin, Jungmin Lee, Dieter Haas, Si Kyoung Kim
  • Publication number: 20220077252
    Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.
    Type: Application
    Filed: March 5, 2021
    Publication date: March 10, 2022
    Inventors: Ji-young CHOUNG, Dieter HAAS, Yu Hsin LIN, Jungmin LEE, Seong Ho YOO, Si Kyoung KIM
  • Publication number: 20220077257
    Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a plurality of sub-pixels, each sub-pixel of the plurality of sub-pixels defined by adjacent pixel-defining layer (PDL) structures with inorganic overhang structures disposed on the PDL structures, each sub-pixel having an anode, organic light-emitting diode (OLED) material disposed on the anode, and a cathode disposed on the OLED material. The device is made by a process including the steps of: depositing the OLED material and the cathode by evaporation deposition, and depositing an encapsulation layer disposed over the cathode.
    Type: Application
    Filed: October 11, 2021
    Publication date: March 10, 2022
    Inventors: Ji-young Choung, Dieter Haas, Yu Hsin Lin, Jungmin Lee, Seong Ho Yoo, Si Kyoung Kim
  • Publication number: 20220077251
    Abstract: Embodiments described herein relate to sub-pixel circuits and methods of forming sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes a substrate, adjacent pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, inorganic overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. Each sub-pixel includes an anode, an organic light-emitting diode (OLED) material disposed over and in contact with the anode, a cathode disposed over the OLED material and extending under the inorganic overhang structures adjacent to each sub-pixel, and an encapsulation layer disposed over the cathode. The encapsulation layer extends under at least a portion of the inorganic overhang structures and along a sidewall of the inorganic overhang structures.
    Type: Application
    Filed: March 5, 2021
    Publication date: March 10, 2022
    Inventors: Ji-young CHOUNG, Dieter HAAS, Yu Hsin LIN, Jungmin LEE, Seong Ho YOO, Si Kyoung KIM
  • Publication number: 20160355720
    Abstract: The present disclosure relates to a thermal storage material containing a hexanary composition of NaNO3—NaNO2—KNO3—KNO2—Ca(NO3)2—LiNO3 for lowering a melting point of molten salts.
    Type: Application
    Filed: November 12, 2014
    Publication date: December 8, 2016
    Applicant: Korea Institute of Energy Research
    Inventors: Hong-Soo Kim, Si-Kyoung Kim, Kang Bai, Jong-Kyu Kim, Yong-Heack Kang
  • Patent number: 7803420
    Abstract: Method of and apparatus for depositing a spacer on a substrate is provided. The invention includes depositing a first ink including an adhesive agent on a first area of the substrate and depositing a second ink including supporting elements on a second area of the substrate, the second area greater than and encompassing the first area. A portion of the second ink evaporates such that the supporting elements within the second ink migrate into the first area and bond to the adhesive agent in the first ink, forming a spacer. Numerous other aspects are provided.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: September 28, 2010
    Assignee: Applied Materials, Inc.
    Inventors: Si-Kyoung Kim, Sheng Sun, John M. White
  • Publication number: 20080129947
    Abstract: Method of and apparatus for depositing a spacer on a substrate is provided. The invention includes depositing a first ink including an adhesive agent on a first area of the substrate and depositing a second ink including supporting elements on a second area of the substrate, the second area greater than and encompassing the first area. A portion of the second ink evaporates such that the supporting elements within the second ink migrate into the first area and bond to the adhesive agent in the first ink, forming a spacer. Numerous other aspects are provided.
    Type: Application
    Filed: April 19, 2007
    Publication date: June 5, 2008
    Inventors: Si-Kyoung Kim, Sheng Sun, John M. White
  • Publication number: 20080062217
    Abstract: An inkjet printing apparatus, a method for inspecting color filters, and a method for manufacturing a color filter panel using the same are disclosed. The inkjet printing apparatus includes a stage on which a substrate is mounted, an inkjet head for jetting color filter ink onto the substrate, and a color coordinate measurement unit spaced apart from the inkjet head to measure color coordinates of color filters.
    Type: Application
    Filed: August 30, 2007
    Publication date: March 13, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-Ho KANG, Byoung-Joo KIM, Yi-Seop SHIM, Kwang-Ho LEE, Jae-Jun YU, Jang-Sub KIM, Seong-Gyu KWON, Chang-Hun KWAK, Si-Kyoung KIM, Quanyuan SHANG
  • Publication number: 20080024532
    Abstract: In a first aspect, a first method of inkjet printing system maintenance is provided. The first method includes the steps of (1) moving a maintenance unit to an inkjet print head that is in a position normally employed to dispense ink on a display object of a substrate; and (2) employing the maintenance unit to at least one of clean and calibrate the inkjet print head. Numerous other aspects are provided.
    Type: Application
    Filed: July 26, 2006
    Publication date: January 31, 2008
    Inventor: Si-Kyoung Kim