Patents by Inventor Jongsu Oh

Jongsu Oh 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: 20230018546
    Abstract: Disclosed is a display apparatus. The display apparatus includes: display modules, each of which includes: a display panel composed of inorganic light emitting elements arranged in row lines, and sub-pixel circuits respectively corresponding to the inorganic light emitting elements; and a driver configured to drive the sub-pixel circuits in an order of the row lines based on a start signal provided from a timing controller. The timing controller is configured to: provide a first start signal to the driver of a first display module to control the inorganic light emitting elements to sequentially emit light from a first row line to a last row line, and provide a second start signal to the driver of a second display module to control the inorganic light emitting elements to sequentially emit light following an emission order of the inorganic light emitting elements included in the last row line of the first display module.
    Type: Application
    Filed: July 26, 2022
    Publication date: January 19, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Eun Ho Kim, Seungran Park, Sara Hong
  • Patent number: 11551605
    Abstract: A display module includes a display panel in which a plurality of pixels each including a plurality of sub-pixels are disposed on a plurality of row lines; and a driver. The driver is configured to set a PWM data voltage to the plurality of sub-pixels included in the plurality of row lines in a row line sequence, apply a sweep signal, which is a voltage signal sweeping between two different voltages, to sub-pixels among the plurality of sub-pixels that are included in at least some consecutive row lines among the plurality of row lines in the row line sequence, and drive the display panel to cause the sub-pixels included in the at least some consecutive row lines to emit light based on the PWM data voltage in the row line sequence.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: January 10, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Publication number: 20230005416
    Abstract: A display module including: a module substrate; a plurality of pixels provided on the module substrate; and a plurality of micro pixel controllers provided in spaces between the plurality of pixels, and configured to supply driving current to at least two pixels of the plurality of pixels, wherein each micro pixel controller of the plurality of micro pixel controllers includes a plurality of pixel circuits configured to, based on a first voltage and a second voltage being applied to the micro controller, control an amplitude of the driving current based on the first voltage and control a pulse width of the driving current based on the second voltage, and, based on the display module being in a power saving mode, the first voltage is adjusted to decrease a brightness of the plurality of pixels.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongsu OH, Sangyoung PARK
  • Publication number: 20220327995
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang KIM, Daisuke KAWAE, Junichi YAMASHITA, Takashige FUJIMORI, Donggun OH, Jongsu OH, Tetsuya SHIGETA
  • Publication number: 20220301498
    Abstract: A display module is provided. The display module includes a module substrate; a plurality of pixels provided on an upper surface of the module substrate; and a plurality of micro pixel controllers, each of the plurality of micro pixel controllers being configured to control at least two pixels among the plurality of pixels and being provided in a space between the at least two pixels on the upper surface of the module substrate, wherein at least one of the plurality of micro pixel controllers includes a slope waveform generator configured to generate a slope waveform used to control a brightness of each of the at least two pixels.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangyoung PARK, Daisuke KAWAE, Junichi YAMASHITA, Jongsu OH, Hoseop LEE, Tetsuya SHIGETA
  • Publication number: 20220301501
    Abstract: A display module includes: a module substrate; a plurality of pixels provided on the module substrate; and a plurality of micro-pixel controllers provided in spaces between the plurality of pixels and configured to supply a drive current to at least two pixels among the plurality of pixels, where each micro-pixel controller of the plurality of micro-pixel controllers includes a pixel circuit configured to, based on a first voltage and a second voltage being applied to the micro-pixel controller, control an amplitude of the drive current based on the first voltage and control a pulse width of the drive current based on the second voltage, and, based on the display module being in a power saving mode, the first voltage is adjusted to decrease a brightness of a pixel in a specified region, among the plurality of pixels.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongsu OH, Sangyoung PARK
  • Publication number: 20220270544
    Abstract: A display module and a display apparatus including the same are provided. The display module includes a module substrate; pixels provided on the module substrate; and a micro-pixel controller configured to supply drive currents to the pixels. The micro-pixel controller includes: a first input pad for receiving a power voltage; a second input pad for receiving a data voltage; pixel circuits configured to output the drive currents to the pixels; a control circuit configured to distribute the power voltage and the data voltage to the pixel circuits; a first ESD protection circuit connected to the first input pad and the control circuit through a first voltage line and configured to transmit the power voltage to the control circuit; and a second ESD protection circuit connected to the second input pad and the control circuit through a second voltage line and configured to transmit the data voltage to the control circuit.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 25, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangyoung PARK, Jongsu OH, Hoseop LEE, Tetsuya SHIGETA
  • Patent number: 11398181
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: July 26, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Publication number: 20220223576
    Abstract: A display apparatus is provided having a plurality of pixels, which are arranged in M columns and N rows and arranged with a constant row space therebetween. The display apparatus includes a plurality of display modules and a housing configured to support the plurality of display modules. Each of the plurality of display modules includes a plurality of pixel packages each including some pixels of the plurality of pixels, and a plurality of micro pixel controllers each controlling the pixels included in each of the plurality of pixel packages. Each of the micro pixel controllers is disposed in the row space between the plurality of pixels to be long in a horizontal direction that is a row direction.
    Type: Application
    Filed: February 15, 2022
    Publication date: July 14, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongsu OH, Sangyoung Park, Hoseop Lee, Tetsuya Shigeta
  • Publication number: 20220223577
    Abstract: A display module is provided. The display module includes a plurality of pixels, a first substrate, a plurality of micro pixel packages provided on the first substrate, and a plurality of voltage lines electrically connected between a set of micro pixel packages of the plurality of micro pixel packages that are adjacent to each other in a first direction. Each of the plurality of micro pixel packages includes a second substrate, a plurality of inorganic light-emitting elements provided on the second substrate, and a micro pixel controller provided on the second substrate and configured to control the plurality of inorganic light-emitting elements.
    Type: Application
    Filed: February 18, 2022
    Publication date: July 14, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongsu OH, Sangyoung PARK, Hoseop LEE, Tetsuya SHIGETA
  • Publication number: 20220172672
    Abstract: A display module includes a substrate; a plurality of pixels provided on a surface of the module substrate; a plurality of first micro-pixel controllers provided in spaces between the plurality of pixels, and a plurality of second micro-pixel controllers provided in a periphery area of the upper surface of the module substrate, wherein each of the plurality of first micro-pixel controllers controls two or more pixels of the plurality of pixels, and at least one function performed by the plurality of first micro-pixel controllers is different from at least one function performed by the plurality of second micro-pixel controllers.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangyoung PARK, Jongsu OH, Hoseop LEE, Shigeta TETSUYA
  • Publication number: 20220172674
    Abstract: A display module includes a plurality of pixels; a substrate; a plurality of inorganic LEDs arranged on the substrate, each of the plurality of pixels including two or more inorganic LEDs among the plurality of inorganic LEDs; and a plurality of micro-pixel controllers two-dimensionally arranged in a first direction and a second direction on the substrate, each of the plurality of micro-pixel controllers being configured to control two or more pixels among the plurality of pixels. Each micro-pixel controller of the plurality of micro-pixel controllers is electrically connected to micro-pixel controllers adjacent thereto, and is configured to convert a voltage input from one of the micro-pixel controllers that is electrically connected thereto in a direction opposite to the first direction into a target voltage and supply the target voltage to another micro-pixel controller of the micro-pixel controllers that is electrically connected thereto in the first direction.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongsu OH, Daisuke KAWAE, Junichi YAMASHITA, Sangyoung PARK, Hoseop LEE, Tetsuya SHIGETA
  • Publication number: 20210210003
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 8, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Publication number: 20210210002
    Abstract: A display module includes a display panel in which a plurality of pixels each including a plurality of sub-pixels are disposed on a plurality of row lines; and a driver. The driver is configured to set a PWM data voltage to the plurality of sub-pixels included in the plurality of row lines in a row line sequence, apply a sweep signal, which is a voltage signal sweeping between two different voltages, to sub-pixels among the plurality of sub-pixels that are included in at least some consecutive row lines among the plurality of row lines in the row line sequence, and drive the display panel to cause the sub-pixels included in the at least some consecutive row lines to emit light based on the PWM data voltage in the row line sequence.
    Type: Application
    Filed: December 31, 2020
    Publication date: July 8, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Patent number: 10713996
    Abstract: A display panel is provided. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a PAM data voltage and a PWM data voltage, and an inorganic light emitting device configured to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit compensates a deviation between driving circuits included in each of the plurality of sub pixels based on a driving voltage of the driving circuit, and controls a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: July 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yongsang Kim, Sangmin Shin, Jongsu Oh, Youngki Jung
  • Patent number: 10706766
    Abstract: A display panel is provided. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a pulse amplitude modulation (PAM) data voltage and a pulse width modulation (PWM) data voltage, and an inorganic light emitting device mounted on the driving circuit and configured to be electrically connected to the driving circuit, and to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit is configured to control a grayscale of a light emitted by the inorganic light emitting device by controlling a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: July 7, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yongsang Kim, Sangmin Shin, Kisun Kang, Jongsu Oh
  • Publication number: 20200111403
    Abstract: A display panel is provided. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a PAM data voltage and a PWM data voltage, and an inorganic light emitting device configured to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit compensates a deviation between driving circuits included in each of the plurality of sub pixels based on a driving voltage of the driving circuit, and controls a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 9, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yongsang Kim, Sangmin Shin, Jongsu Oh, Youngki Jung
  • Publication number: 20200111404
    Abstract: A display panel is provided. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a pulse amplitude modulation (PAM) data voltage and a pulse width modulation (PWM) data voltage, and an inorganic light emitting device mounted on the driving circuit and configured to be electrically connected to the driving circuit, and to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit is configured to control a grayscale of a light emitted by the inorganic light emitting device by controlling a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 9, 2020
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yongsang KIM, Sangmin SHIN, Kisun KANG, Jongsu OH