Patents by Inventor Myeonghee SEO

Myeonghee SEO 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: 20230267890
    Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 24, 2023
    Inventors: SUNGJIN KIM, JONGWON PARK, MYEONGHEE SEO, HUIGYEONG YUN, SEUNG-KYU LEE, YOUNGUK HWANG
  • Publication number: 20230240107
    Abstract: A display device includes: a substrate including a display area and a non-display area including a pad area; an inorganic insulating layer disposed on the substrate and including a first inorganic insulating layer, a second inorganic insulating layer, and a third inorganic insulating layer; a light-emitting element layer disposed on the inorganic insulating layer and including a light-emitting element overlapping the display area in a plan view; a gate wiring overlapping the display area in the plan view, extending in a first direction and disposed between the first inorganic insulating layer and the second inorganic insulating layer; and a fanout wiring extending in a direction toward the display area from the pad area and disposed between the second inorganic insulating layer and the third inorganic insulating layer, where a sheet resistance of the gate wiring is lower than a sheet resistance of the fanout wiring.
    Type: Application
    Filed: January 25, 2023
    Publication date: July 27, 2023
    Inventors: Junyoung MIN, Wonkyu KWAK, Huigyeong YUN, Junwon CHOI, Jihyun KA, Yangwan KIM, Myeonghee SEO
  • Patent number: 11640793
    Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: May 2, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sungjin Kim, Jongwon Park, Myeonghee Seo, Huigyeong Yun, Seung-Kyu Lee, Younguk Hwang
  • Publication number: 20230070352
    Abstract: A display apparatus includes a display panel including a plurality of pixels, a gate driver which applies a bias gate signal to the pixels, a data driver which applies a data voltage to the pixels, an emission driver which applies an emission signal to the pixels, and a driving controller which controls the gate driver, the data driver, and the emission driver. The driving controller calculates a grayscale change region of input image data and a grayscale change level of the grayscale change region, determines a compensation region of the input image data based on the grayscale change region, determines a compensation grayscale voltage based on the grayscale change level, and compensates for the compensation region of the input image data based on the compensation grayscale voltage to generate output image data.
    Type: Application
    Filed: July 14, 2022
    Publication date: March 9, 2023
    Inventors: YOUNGUK HWANG, SEUNG-KYU LEE, SUNGJIN KIM, MYEONGHEE SEO
  • Publication number: 20220148511
    Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.
    Type: Application
    Filed: August 12, 2021
    Publication date: May 12, 2022
    Inventors: SUNGJIN KIM, JONGWON PARK, MYEONGHEE SEO, HUIGYEONG YUN, SEUNG-KYU LEE, YOUNGUK HWANG
  • Patent number: 9792855
    Abstract: An organic light emitting display apparatus includes first and second pixels on a display region, first and second scan lines connected to the first and second pixels respectively, and a gate driver to output a first scan signal and a second scan signal to the first and second scan lines respectively. The first pixel includes a first pixel circuit and a first organic light emitting diode (OLED). The second pixel includes a second pixel circuit and a second OLED. Each of the first and second pixel circuits includes a driving transistor to output driving current to the anode of a respective one of the first and second OLEDs. The anode of the second OLED at least partially overlaps the gate of a driving transistor of the first pixel circuit.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myeonghee Seo, Junwon Choi, Minkyu Woo
  • Publication number: 20160189609
    Abstract: An organic light emitting display apparatus includes first and second pixels on a display region, first and second scan lines connected to the first and second pixels respectively, and a gate driver to output a first scan signal and a second scan signal to the first and second scan lines respectively. The first pixel includes a first pixel circuit and a first organic light emitting diode (OLED). The second pixel includes a second pixel circuit and a second OLED. Each of the first and second pixel circuits includes a driving transistor to output driving current to the anode of a respective one of the first and second OLEDs. The anode of the second OLED at least partially overlaps the gate of a driving transistor of the first pixel circuit.
    Type: Application
    Filed: July 6, 2015
    Publication date: June 30, 2016
    Inventors: Myeonghee SEO, Junwon CHOI, Minkyu WOO