Patents by Inventor Min-Woo BYUN

Min-Woo BYUN 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: 20250104653
    Abstract: A display device includes a plurality of pixels arranged in a display area of a display panel, and a display driving circuit supplying data voltages and pixel driving control signals to the plurality of pixels to control an image display operation for each of the plurality of pixels. The display driving circuit further supplies an active control voltage that varies proportional to or inversely proportional to a change in temperature of the display panel to at least one thin film transistor included in the plurality of pixels.
    Type: Application
    Filed: May 9, 2024
    Publication date: March 27, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Hwan JEON, Won Kyu KWAK, Min Joo KIM, Min Woo BYUN, Jong Sik SHIM, Seon I JEONG, Sung Chan HWANG
  • Patent number: 12248018
    Abstract: A semiconductor chip includes a semiconductor device connected between a first node to which a power supply voltage is applied and a second node to which a ground voltage is applied, a first ring oscillator connected to the first node through a first supply switch and the second node through a first ground switch and a second ring oscillator connected to the first node through a second supply switch and the second node through a second ground switch, wherein the first supply and ground switches are configured to operate in response to a first control signal, thereby operating the first ring oscillator, and the second supply and ground switches are configured to operate in response to a second control signal, thereby operating the second ring oscillator.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: March 11, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon Ho Jung, Jong Wook Kye, Min Woo Kwak, Mi Joung Kim, Chan Wook Park, Do Hoon Byun, Kwan Seong Lee, Jae Ho Lee, Jae Seung Choi, Hwang Ho Choi
  • Patent number: 12190814
    Abstract: A pixel includes a light emitting element, a driving transistor having an electrode electrically connected to an anode electrode of the light emitting element and another electrode electrically connected to a first power source, and controlling a current flowing from the first power source to a second power source, a first transistor electrically connected between a gate electrode of the driving transistor and a reference power source, a second transistor electrically connected between the anode electrode and an initialization power source, a third transistor electrically connected between the gate electrode and a data line, and a fourth transistor and a fifth transistor electrically connected in parallel between the first power source and the another electrode. The fourth transistor compensates a threshold voltage of the driving transistor during a compensation period, and the fifth transistor is turned so that the current is controlled during an emission period.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: January 7, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Woo Byun, Chae Han Hyun
  • Publication number: 20240347007
    Abstract: A display device may include a pixel that includes a first transistor, a second transistor including a gate electrode coupled to a first scan line, and first and second electrodes, a third transistor including a gate electrode coupled to a second scan line, and first and second electrodes, a fourth transistor including a gate electrode coupled to a third scan line, and first and second electrodes, a fifth transistor including a gate electrode coupled to a fourth scan line, and first and second electrodes, a sixth transistor including a gate electrode coupled to a fifth scan line, and first and second electrodes, and a first capacitor. The display device may be, during a first period of a frame period, to concurrently apply a turn-on level scan signal to the third scan line, and apply turn-off level scan signals to the first, second, fourth and fifth scan lines.
    Type: Application
    Filed: January 26, 2024
    Publication date: October 17, 2024
    Inventors: Min Woo BYUN, Won Kyu KWAK, Seon I JEONG, Min Joo KIM, Dong Hwan JEON, Sung Chan HWANG
  • Publication number: 20240282247
    Abstract: A light emitting display device includes multiple pixels arranged in multiple pixel rows, a first scan signal generator that provides a first scan signal to the pixels in the pixel rows, a second scan signal generator that provides a second scan signal to the pixels in the pixel rows, a third scan signal generator that provides a third scan signal to the pixels in the pixel rows, and a light emission signal generator that provides a light emission signal to the pixels in the pixel rows. Each of the second scan signal generator, the third scan signal generator, and the light emission signal generator provides a same signal to the pixels in two of the pixel rows.
    Type: Application
    Filed: February 8, 2024
    Publication date: August 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soon-Gi KWON, Min Woo BYUN, Ji-Hyun KA, MINJOO KIM, Seon I JEONG, Chae Han HYUN, SUNGCHAN HWANG
  • Publication number: 20240265868
    Abstract: A pixel includes a light emitting element, a driving transistor having an electrode electrically connected to an anode electrode of the light emitting element and another electrode electrically connected to a first power source, and controlling a current flowing from the first power source to a second power source, a first transistor electrically connected between a gate electrode of the driving transistor and a reference power source, a second transistor electrically connected between the anode electrode and an initialization power source, a third transistor electrically connected between the gate electrode and a data line, and a fourth transistor and a fifth transistor electrically connected in parallel between the first power source and the another electrode. The fourth transistor compensates a threshold voltage of the driving transistor during a compensation period, and the fifth transistor is turned so that the current is controlled during an emission period.
    Type: Application
    Filed: September 14, 2023
    Publication date: August 8, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Min Woo BYUN, Chae Han HYUN
  • Publication number: 20240233639
    Abstract: A display device includes a display panel including pixels in one pixel column and a gate driver for sequentially providing scan signals to the pixels. Each of the pixels includes a light emitting element, a first transistor for controlling a current amount of driving current flowing through the light emitting element and a second transistor for transferring a data signal to a gate electrode of the first transistor in response to a corresponding scan signal among the scan signals. A first pixel among the pixels is electrically connected to a first data line, and a second pixel adjacent to the first pixel among the pixels is electrically connected to a second data line different from the first data line. A second scan signal provided to the second pixel partially overlaps with a first scan signal provided to the first pixel.
    Type: Application
    Filed: October 7, 2023
    Publication date: July 11, 2024
    Inventors: Min Woo BYUN, Min Joo KIM, Seon I JEONG, Chae Han HYUN, Sung Chan HWANG
  • Patent number: 11990093
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: May 21, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Su Na, Yang Wan Kim, Jung Hun Yi, Min Woo Byun
  • Publication number: 20240135876
    Abstract: A display device includes a display panel including pixels in one pixel column and a gate driver for sequentially providing scan signals to the pixels. Each of the pixels includes a light emitting element, a first transistor for controlling a current amount of driving current flowing through the light emitting element and a second transistor for transferring a data signal to a gate electrode of the first transistor in response to a corresponding scan signal among the scan signals. A first pixel among the pixels is electrically connected to a first data line, and a second pixel adjacent to the first pixel among the pixels is electrically connected to a second data line different from the first data line. A second scan signal provided to the second pixel partially overlaps with a first scan signal provided to the first pixel.
    Type: Application
    Filed: October 6, 2023
    Publication date: April 25, 2024
    Inventors: Min Woo BYUN, Min Joo KIM, Seon I JEONG, Chae Han HYUN, Sung Chan HWANG
  • Publication number: 20240107812
    Abstract: Provided is a light emitting display device comprising a driving transistor; a second transistor; a light emitting diode; a storage capacitor; a first scan line; and a driving gate electrode, in which a pixel includes only a transistor including an oxide semiconductor. The light emitting display device prevents deterioration of display quality due to a boost capacitor with a scan line in a pixel using an n-type transistor including an oxide semiconductor. Further, the light emitting display device prevents deterioration of display quality due to coupling with a data line in a pixel using an n-type transistor.
    Type: Application
    Filed: July 25, 2023
    Publication date: March 28, 2024
    Inventors: MINJOO KIM, Jun Won CHOI, Jun Young MIN, Min Woo BYUN, Jun-Yong AN, Chae Han HYUN, SUNGCHAN HWANG
  • Patent number: 11798955
    Abstract: A display device includes a substrate including a display area and a non-display area, a reference voltage supply line disposed in the non-display area and transmitting a reference voltage, and a driving voltage supply line disposed in the non-display area and transmitting a driving voltage. The reference voltage supply line includes a straight line part extending in a first direction and a curved line part extending from the straight line part to be bent, and the curved line part of the reference voltage supply line is disposed along a periphery of the display area.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Jin Cho, Joong-Soo Moon, Min Woo Byun, Yang Wan Kim
  • Publication number: 20230206847
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Su NA, Yang Wan KIM, Jung Hun YI, Min Woo BYUN
  • Patent number: 11600228
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Su Na, Yang Wan Kim, Jung Hun Yi, Min Woo Byun
  • Patent number: 11594174
    Abstract: A stage including a node control unit which controls a voltage of a first control node and a voltage of a second control node, in correspondence with a first input signal supplied to a first input terminal, a second input signal supplied to a second input terminal, and a third input signal supplied to a third input terminal, a node maintenance unit which maintains the voltage of the first control node to be constant in correspondence with the voltage of the second control node, and an output unit which supplies a first gate voltage supplied to a first power terminal or a second gate voltage supplied to a second power terminal to an output terminal in correspondence with the voltage of the first control node and the voltage of the second control node.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Won Park, Min Woo Byun
  • Patent number: 11594168
    Abstract: A display device includes a pixel unit including first pixels in a first pixel area, second pixels in a second pixel area, and third pixels in a third pixel area; a first scan driver including first multiplexers configured to operate in response to a first mode and a second mode different from the first mode, and to supply first scan signals to first scan lines connected to the first pixels; a second scan driver configured to supply second scan signals to second scan lines connected to the second pixels; and a third scan driver including second multiplexers configured to operate in response to the first mode and the second mode, and to supply third scan signals to third scan lines connected to the third pixels.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sic Lee, Min Woo Byun, Jae Du Noh, Min Kyu Woo, Seung Yeon Cho
  • Publication number: 20230031335
    Abstract: Provided are a display device. The display device comprises: a display unit defined by a display area and a non-display area located outside the display area, and including pixels arranged in the display area, first sensing wirings electrically connected to the pixels, and auxiliary voltage wirings electrically separated from the pixels; and a sensing unit electrically connected to the first sensing wirings, wherein the first sensing wirings and the auxiliary voltage wirings extend in a first direction and are sequentially arranged along a second direction perpendicular to the first direction at first intervals, the first sensing wirings are spaced apart from each other along the second direction at second intervals greater than the first intervals and are electrically separated from each other, and the auxiliary voltage wirings are electrically connected to each other.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 2, 2023
    Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
  • Patent number: 11482173
    Abstract: Provided are a display device. The display device comprises: a display unit defined by a display area and a non-display area located outside the display area, and including pixels arranged in the display area, first sensing wirings electrically connected to the pixels, and auxiliary voltage wirings electrically separated from the pixels; and a sensing unit electrically connected to the first sensing wirings, wherein the first sensing wirings and the auxiliary voltage wirings extend in a first direction and are sequentially arranged along a second direction perpendicular to the first direction at first intervals, the first sensing wirings are spaced apart from each other along the second direction at second intervals greater than the first intervals and are electrically separated from each other, and the auxiliary voltage wirings are electrically connected to each other.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: October 25, 2022
    Inventors: Ki Wook Kim, Kwang Min Kim, Yang Wan Kim, Ji Su Na, Min Woo Byun
  • Publication number: 20220310013
    Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 29, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Su NA, Yang Wan KIM, Jung Hun YI, Min Woo BYUN
  • Publication number: 20220277688
    Abstract: A stage including a node control unit which controls a voltage of a first control node and a voltage of a second control node, in correspondence with a first input signal supplied to a first input terminal, a second input signal supplied to a second input terminal, and a third input signal supplied to a third input terminal, a node maintenance unit which maintains the voltage of the first control node to be constant in correspondence with the voltage of the second control node, and an output unit which supplies a first gate voltage supplied to a first power terminal or a second gate voltage supplied to a second power terminal to an output terminal in correspondence with the voltage of the first control node and the voltage of the second control node.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 1, 2022
    Inventors: Jong Won PARK, Min Woo BYUN
  • Publication number: 20220238562
    Abstract: A display device includes a substrate including a display area and a non-display area, a reference voltage supply line disposed in the non-display area and transmitting a reference voltage, and a driving voltage supply line disposed in the non-display area and transmitting a driving voltage. The reference voltage supply line includes a straight line part extending in a first direction and a curved line part extending from the straight line part to be bent, and the curved line part of the reference voltage supply line is disposed along a periphery of the display area.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 28, 2022
    Inventors: Young Jin CHO, Joong-Soo Moon, Min Woo Byun, Yang Wan Kim