Patents by Inventor Sung-Chul Hong

Sung-Chul Hong 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: 12131702
    Abstract: A display device includes a pixel including a first sub-pixel to third sub-pixels, each arranged in a first direction and emitting light of a color, a first to third vertical power lines, each extending in a second direction different from the first direction, overlapping the first to third sub-pixels, respectively, and transmitting first to third powers, respectively, a first to third horizontal power lines, each extending in the first direction and electrically connected to the first to third vertical power lines through a contact hole, respectively. Voltages of the first power, the second power, and the third power are different from each other.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: October 29, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Hye Lee, Kyung Bae Kim, Ki Hyun Pyo, Sung Chul Hong
  • Publication number: 20240344191
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZn2 phase in phase fraction. In the MgZn2 phase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZn2 phase.
    Type: Application
    Filed: June 6, 2024
    Publication date: October 17, 2024
    Applicants: POSCO CO., LTD, STEEL & CONVERGENCE TECHNOLOGY RESEARCH ASSOCIATION, POSCO COATED & COLOR STEEL CO., LTD.
    Inventors: Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park, Myung-Soo Kim, Il-Ryoung Sohn, Tae-Chul Kim, Dae-Young Kang
  • Patent number: 12118929
    Abstract: A display device includes a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel, and a timing controller configured to control the data driver, and the data driver pauses a data latch operation.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: October 15, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung Chul Ha, Jin Cheol Hong
  • Publication number: 20240332313
    Abstract: A light emitting display device, includes: a substrate; a driving element layer on the substrate and including a transistor and a planarization layer covering the transistor; a cathode and an anode connection electrode on the planarization layer; a separator on the planarization layer and including a first layer and a second layer, wherein the second layer protrudes from the first layer of the separator; a pixel defining layer including a first pixel defining layer on the separator and a second pixel defining layer superimposed with a portion of the cathode and a portion of the anode connection electrode; a light emitting layer on top of the cathode; and an anode connecting electrode, the second pixel defining layer, and an anode above the light emitting layer.
    Type: Application
    Filed: January 12, 2024
    Publication date: October 3, 2024
    Inventors: Kyung-Bae KIM, Do Yeong PARK, Ki Hyun PYO, Sung Chul HONG
  • Publication number: 20240282802
    Abstract: A display device comprises a first voltage line disposed in a first metal layer on a substrate providing a high-level voltage, a vertical voltage line disposed on a side of the first voltage line providing a low-level voltage, a first transistor disposed in an active layer on the first metal layer and including a drain electrode, an active region, a source electrode, and a gate electrode, a first anode connection electrode disposed in a third metal layer on the second metal layer and electrically connected to the source electrode of the first transistor, a first electrode and a second electrode that are disposed in a fourth metal layer on the third metal layer, and a plurality of light-emitting element areas including a plurality of light-emitting elements aligned between the first and second electrodes and spaced apart from the first voltage line and the vertical voltage line in a plan view.
    Type: Application
    Filed: December 15, 2023
    Publication date: August 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Chul HONG, Kyung Bae KIM, Yeon Kyung KIM
  • Patent number: 12054829
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZn2 phase in phase fraction. In the MgZn2 phase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZn2 phase.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 6, 2024
    Assignees: POSCO, STEEL & CONVERGENCE TECHNOLOGY RESEARCH ASSOCIATION, POSCO COATED & COLOR STEEL CO., LTD.
    Inventors: Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park, Myung-Soo Kim, Il-Ryoung Sohn, Tae-Chul Kim, Dae-Young Kang
  • Publication number: 20240250227
    Abstract: A display device includes signal lines, auxiliary electrodes on the signal lines, bank patterns on the auxiliary electrodes and spaced from each other, alignment electrodes on the bank patterns and spaced from each other, and light emitting elements between the bank patterns. The alignment electrodes are electrically connected to the auxiliary electrodes through a contact hole passing through the bank patterns, respectively, and the auxiliary electrodes and the alignment electrodes are insulated from the signal lines.
    Type: Application
    Filed: December 22, 2023
    Publication date: July 25, 2024
    Inventors: Do Yeong PARK, Ki Hyun PYO, Sung Chul HONG
  • Publication number: 20240203315
    Abstract: A display device includes: a base layer; a pixel circuit layer on the base layer, the pixel circuit layer including lower lines, the pixel circuit layer having a line-free area in which the lower lines are not present; and a light-emitting-element layer on the pixel circuit layer, the light-emitting-element layer including electrodes and a light emitting element on the electrodes, the light-emitting-element layer having an electrode-free area in which the electrodes are not present. The line-free area overlaps the electrode-free area in a plan view.
    Type: Application
    Filed: October 13, 2023
    Publication date: June 20, 2024
    Inventors: Sung Chul HONG, Do Yeong PARK, Ki Hyun PYO
  • Patent number: 11961844
    Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel arranged in a second direction, and each including an emission area and a non-emission area. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include a pixel circuit including at least one transistor and a storage capacitor, a first alignment electrode disposed on the pixel circuit, a second alignment electrode extending spaced apart from the first alignment electrode, a light emitting element disposed between the second alignment electrode and the first alignment electrode, and including a first end adjacent to the second alignment electrode and a second end adjacent to the first alignment electrode, and a bridge pattern spaced apart from the first alignment electrode and the second alignment electrode, and electrically connected to the storage capacitor.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Yeong Park, Won Jun Lee, Sung Chul Hong
  • Publication number: 20240038821
    Abstract: A display device includes a light-emitting element layer on a substrate, and a circuit element layer between the substrate and the light-emitting element layer. The circuit element layer includes a first metal layer including lines, and metal patterns, all in a same layer and extending in a direction and spaced apart from one another, and an upper gate line on the first metal layer. The light-emitting element layer includes first alignment electrodes and a second alignment electrode, disposed in a same layer and spaced apart from one another, light-emitting elements in gaps between the first alignment electrodes and the second alignment electrode, a first contact electrode on the light-emitting elements and in contact with first end portions of the light-emitting elements, and a first power connector, disposed in a same layer as the first contact electrode and electrically connecting the first voltage line and the metal patterns.
    Type: Application
    Filed: March 8, 2023
    Publication date: February 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Do Yeong PARK, Sung Chul HONG
  • Publication number: 20240013717
    Abstract: A display device includes a pixel including a first sub-pixel to third sub-pixels, each arranged in a first direction and emitting light of a color, a first to third vertical power lines, each extending in a second direction different from the first direction, overlapping the first to third sub-pixels, respectively, and transmitting first to third powers, respectively, a first to third horizontal power lines, each extending in the first direction and electrically connected to the first to third vertical power lines through a contact hole, respectively. Voltages of the first power, the second power, and the third power are different from each other.
    Type: Application
    Filed: February 9, 2023
    Publication date: January 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Hye LEE, Kyung Bae KIM, Ki Hyun PYO, Sung Chul HONG
  • Publication number: 20240006569
    Abstract: A display device includes: a first internal bank and a second internal bank spaced apart on a substrate; a first reflective layer disposed on the first internal bank; a second reflective layer spaced apart from the first reflective layer and disposed on the second internal bank; a first insulating layer disposed on the first reflective layer and the second reflective layer; a first electrode disposed on the first insulating layer and overlapping the first reflective layer; a second electrode disposed on the first insulating layer, overlapping the second reflective layer, and being spaced apart from the first electrode; a second insulating layer disposed on the first electrode and the second electrode; and a light emitting element disposed on the second insulating layer and overlapping a space between the first electrode and the second electrode.
    Type: Application
    Filed: March 29, 2023
    Publication date: January 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Hyun PYO, Kyung Bae KIM, Ji Hye LEE, Sung Chul HONG
  • Publication number: 20230326931
    Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel arranged in a second direction, and each including an emission area and a non-emission area. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include a pixel circuit including at least one transistor and a storage capacitor, a first alignment electrode disposed on the pixel circuit, a second alignment electrode extending spaced apart from the first alignment electrode, a light emitting element disposed between the second alignment electrode and the first alignment electrode, and including a first end adjacent to the second alignment electrode and a second end adjacent to the first alignment electrode, and a bridge pattern spaced apart from the first alignment electrode and the second alignment electrode, and electrically connected to the storage capacitor.
    Type: Application
    Filed: March 15, 2023
    Publication date: October 12, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Do Yeong PARK, Won Jun LEE, Sung Chul HONG
  • Publication number: 20230317910
    Abstract: A display device includes a first voltage line and a second voltage line extending in a first direction and spaced apart from each other in a second direction, a data line disposed between the first voltage line and the second voltage lines and extending in the first direction, a first electrode extending in the first direction and electrically connected to the first voltage line, a second electrode extending in the first direction and electrically connected to the second voltage line, light emitting elements on the first electrode and the second electrode, and a first connection pattern layer spaced apart from the first electrode and the second electrode and electrically connected to the first voltage line, and a second connection pattern layer electrically connected to the data line. The first connection pattern layer, the second connection pattern layer, the first electrode, and the second electrode are on a same layer.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 5, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Do Yeong PARK, Chong Chul CHAI, Sung Chul HONG
  • Publication number: 20230317908
    Abstract: A display device includes a substrate; a conductive layer on the substrate and including a first voltage line, a second voltage line, and a contact conductive pattern spaced from each other; a passivation layer on the conductive layer; a via layer on the passivation layer; an alignment line on the via layer and including a first alignment line and a second alignment line spaced from each other; a light emitting element between the first alignment line and the second alignment line on the alignment line; and a first contact electrode and a second contact electrode on the light emitting element and spaced from each other, wherein: the first alignment line is electrically connected to the second voltage line through a first alignment contact hole, the second alignment line is electrically connected to the first voltage line through a second alignment contact hole.
    Type: Application
    Filed: March 10, 2023
    Publication date: October 5, 2023
    Inventors: Do Yeong PARK, Kyung Bae KIM, Chong Chul CHAI, Sung Chul HONG
  • Publication number: 20230307583
    Abstract: A display device includes pixels, and the pixels include: alignment electrodes provided on a base layer; a light emitting element provided on the alignment electrodes; and connection electrodes electrically connected to the light emitting element. The connection electrodes are electrically connected to some of the alignment electrodes through contact portions, and the number of the contact portions defined in each of the pixels is less than the number of the alignment electrodes.
    Type: Application
    Filed: November 28, 2022
    Publication date: September 28, 2023
    Inventors: Sung Chul HONG, Kyung Bae KIM, Do Yeong PARK
  • Publication number: 20230298511
    Abstract: A display device comprises a first line extending in a first direction, a second line spaced apart from the first line in a second direction, sub-pixels including emission areas between the first line and the second line, light-emitting elements in light-emitting element arrangement areas in the emission areas, a bank pattern overlapping with the first line and the second line, and defining openings corresponding to the light-emitting element arrangement areas, and a bank surrounding the emission areas, and overlapping with the first line, the second line, and the bank pattern.
    Type: Application
    Filed: December 20, 2022
    Publication date: September 21, 2023
    Inventors: Kyung Bae KIM, Yong Hee LEE, Sung Chul HONG
  • Patent number: 11690887
    Abstract: Disclosed is a composition for ameliorating, preventing or treating an autoimmune skin disease, containing a super pink (Dianthus superbus L.) extract as an active ingredient.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: July 4, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin Chul Kim, Dorjsembe Banzragch, Eun Ha Lee, Sung Chul Hong, Jung Yeob Ham, Tae Jung Kim, Chu Won Nho
  • Patent number: 11648284
    Abstract: Disclosed is a composition for ameliorating, preventing or treating an autoimmune skin disease, containing a Musan box (Sphallerocarpus gracilis) extract or a fraction thereof as an active ingredient.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: May 16, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin Chul Kim, Dorjsembe Banzragch, Eun Ha Lee, Sung Chul Hong, Jung Yeob Ham, Young Tae Park, Chu Won Nho
  • Patent number: 11547735
    Abstract: Disclosed is a composition for ameliorating, preventing or treating an autoimmune skin disease, containing a Thalictrum (Thalictrum squarrosum steph) extract or a fraction thereof as an active ingredient.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: January 10, 2023
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jin Chul Kim, Dorjsembe Banzragch, Eun Ha Lee, Sung Chul Hong, Young Tae Park, Jung Yeob Ham, Chu Won Nho