Patents by Inventor Mu-kyung Jeon

Mu-kyung Jeon 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: 12200982
    Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: January 14, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Nam Kim, Ji Hun Ryu, Ki Hyun Pyo
  • Publication number: 20240373692
    Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of increasing resolution. According to an embodiment of the disclosure, a substrate; a first gate electrode disposed on the substrate; a lower capacitor electrode disposed on the first gate electrode to overlap the first gate electrode in a plan view; and a repair line disposed on the lower capacitor electrode.
    Type: Application
    Filed: January 9, 2024
    Publication date: November 7, 2024
    Inventors: Jun Hyun PARK, Hyeong Seok KIM, Hee Jean PARK, Sun Hwa LEE, Mu Kyung JEON
  • Publication number: 20240341131
    Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.
    Type: Application
    Filed: June 17, 2024
    Publication date: October 10, 2024
    Inventors: Ji-Sun KIM, Jang Mi KANG, Sun Hwa LEE, Mu Kyung JEON
  • Patent number: 12106721
    Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: October 1, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yu Jin Lee, Mu Kyung Jeon, Mee Hye Jung, Hee Jean Park
  • Patent number: 12061756
    Abstract: A touch sensing unit includes first touch electrodes and second touch electrodes disposed on in a touch sensor area which includes a round portion having a curvature. A driving line is connected to a first touch electrode among the first touch electrodes are disposed in the round portion of the touch sensor area. A sensing line is connected to a second touch electrode among the second touch electrodes disposed in the round portion of the touch sensor area. The driving line and the sensing line intersect each other.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Dong Hoon Lee, Mu Kyung Jeon
  • Publication number: 20240249650
    Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.
    Type: Application
    Filed: March 12, 2024
    Publication date: July 25, 2024
    Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
  • Patent number: 12041824
    Abstract: A display device includes a substrate, first and second transistors on the substrate, a first electrode connected to one of the first and second transistors, a second electrode facing the first electrode, and a light emission member between the first and second electrodes, where the first transistor includes a first channel including a polycrystalline semiconductor member on the substrate, a first source electrode and a first drain electrode at respective opposite sides of the first channel, a first gate electrode overlapping the first channel, and a first insulating layer covering the first gate electrode, the second transistor includes a second gate electrode on the first insulating layer, a second channel including an oxide semiconductor member on the second gate electrode, second source and drain electrodes on the second channel, and an external light blocking member on the second source and drain electrodes and overlapping the second channel.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: July 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Sun Kim, Jang Mi Kang, Sun Hwa Lee, Mu Kyung Jeon
  • Patent number: 12002418
    Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: June 4, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Gon Lee, Hee Jean Park, Hee Rim Song, Yu Jin Lee, Mu Kyung Jeon
  • Patent number: 11961425
    Abstract: A display device may include a first pixel, a second pixel, a first data line electrically connected to the first pixel, a second data line electrically connected to the second pixel and electrically insulated from the first data line, a first signal wire electrically connected to the first data line, a second signal wire electrically connected to the second data line, and a connecting wire electrically connecting the second data line to the second signal wire. The connecting wire may include a first section and a second section. The second section may be directly connected to the first section, may overlap the first pixel, may overlap the first data line, and may be oblique relative to each of the first data line and the second data line in a plan view of the display device.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
  • Publication number: 20240062710
    Abstract: A light emitting display device includes: a light emitting diode; a driving transistor configured to transmit an output current to the light emitting diode, and including a driving gate electrode; a storage capacitor having a first storage electrode connected with the driving gate electrode and a second storage electrode connected with a data node; a second transistor connected with a data line and configured to output a data voltage; a data voltage transmission transistor configured to transmit the data voltage output from the second transistor to the data node; and a hold capacitor that includes a first electrode configured to receive the driving voltage and a second electrode connected with the data node.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 22, 2024
    Inventors: Jun Hyun PARK, Jang Mi KANG, Hyeong Seok KIM, Min Jae JEONG, Mu Kyung JEON
  • Patent number: 11908231
    Abstract: A fingerprint sensor and a display device include a substrate. A circuit element layer is disposed on a first surface of the substrate and includes a semiconductor layer, conductive layers and at least one opening portion. A light emitting element layer is disposed on the circuit element layer and includes at least one light emitting element. A sensor layer is disposed on a second surface of the substrate and includes at least one light sensor corresponding to the opening portion. The opening portion is defined by non-overlapping of the semiconductor layer and the conductive layers, the opening portion has a closed loop shape in plan view, and at least a portion of the closed loop shape includes a curve, or an internal angle of the at least a portion of the closed loop shape is an obtuse angle.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
  • Patent number: 11907487
    Abstract: A touch panel includes odd-numbered touch sensor rows, even-numbered touch sensor rows, odd-numbered sensing signal transmission lines extending respectively connected to the odd-numbered touch sensor rows, and even-numbered sensing signal transmission lines respectively connected to the even-numbered touch sensor rows. First sub-scan signal transmission lines are connected only to the odd-numbered touch sensor rows, and second sub-scan signal transmission lines are connected only to the even-numbered touch sensor rows. Main scan signal transmission lines are connected to a demultiplexing circuit to selectively connect the main scan signal transmission lines to the first sub-scan signal transmission lines or the second sub-scan signal transmission lines.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Hwa Lee, Dong-Hoon Lee, Mu-Kyung Jeon, Ki-Hyun Pyo
  • Publication number: 20240005878
    Abstract: A display device including a light-emitting diode, a first transistor, a second transistor, a data line connected to the second transistor and configured to transmit a data signal, a third transistor, a first signal line connected to a gate electrode of the second transistor and configured to transmit a first signal, a second signal line connected to a gate electrode of the third transistor and configured to transmit a second signal, and a connect portion connected to a gate electrode of the first transistor and an electrode of the third transistor, in which the connect portion overlaps the first signal line and the second signal line, and an overlapping area between the connect portion and the first signal line is different from an overlapping area between the connect portion and the second signal line.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Inventors: Jang Mi KANG, Ji Sun KIM, Mu Kyung JEON
  • Publication number: 20230386412
    Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: Yu Jin LEE, Mu Kyung JEON, Mee Hye JUNG, Hee Jean PARK
  • Publication number: 20230371321
    Abstract: Embodiments of the present disclosure provide a display device comprising: a substrate; a thin film transistor layer on a first surface of the substrate and including a first hole; a light emitting element layer on the thin film transistor layer and including a light emitting element; a first light blocking layer between the substrate and the thin film transistor layer and including a second hole overlapping the first hole in a thickness direction of the substrate; and a second light blocking layer between the thin film transistor layer and the light emitting element layer and including a third hole overlapping the first hole and the second hole in the thickness direction of the substrate.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 16, 2023
    Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
  • Publication number: 20230352627
    Abstract: A display device including a substrate, a first semiconductor layer disposed on the substrate, a first gate electrode disposed on the first semiconductor layer, a first storage electrode overlapping at least a portion of the first gate electrode and forming a first capacitor with the first gate electrode, and a first electrode disposed on the first storage electrode and forming a second capacitor together with the first storage electrode. The first storage electrode includes a first opening, the first electrode includes a second opening, and the first opening and the second opening overlap each other.
    Type: Application
    Filed: March 2, 2023
    Publication date: November 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyeong Seok KIM, Jang Mi KANG, Jun Hyun PARK, Min Jae JEONG, Mu Kyung JEON
  • Publication number: 20230343277
    Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.
    Type: Application
    Filed: July 3, 2023
    Publication date: October 26, 2023
    Inventors: Cheol Gon LEE, Hee Jean PARK, Hee Rim SONG, Yu Jin LEE, Mu Kyung JEON
  • Publication number: 20230343290
    Abstract: A display device includes a light-emitting element for emitting light, a light-sensing element for converting light into an electrical signal, and spaced apart from the light-emitting element, pixel drivers connected to the light-emitting element in a first row and a second row, a first sensing driver between respective ones of the pixel drivers neighboring each other in the first row and connected to the light-sensing element, a second sensing driver between respective ones of the pixel drivers neighboring each other in the second row, connected to the light-sensing element, and not neighboring the first sensing driver in a second direction, a first scan line extending along a first direction crossing the second direction, and connected to the first sensing driver, and a second scan line extending along the first direction, alternately arranged with the first scan line along the second direction, and connected to the second sensing driver.
    Type: Application
    Filed: January 24, 2023
    Publication date: October 26, 2023
    Inventors: Yu Jin LEE, Hee Jean PARK, Hee Rim SONG, Cheol Gon LEE, Mu Kyung JEON
  • Publication number: 20230343289
    Abstract: A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.
    Type: Application
    Filed: February 13, 2023
    Publication date: October 26, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Hee Rim SONG, Hee Jean PARK, Yu Jin LEE, Cheol Gon LEE, Mu Kyung JEON
  • Patent number: RE50012
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a plurality of pixels formed in a plurality of intersection areas of a plurality of data lines and a plurality of scan lines. Each of the pixels includes a storage capacitor configured to store a data voltage, at least one target transistor having one end electrically connected to a current path of the storage capacitor, an organic light emitting layer, and a first electrode of an OLED formed over the organic light emitting layer. The first electrode includes a first electrode extension configured to block at least a portion of the target transistor from light.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai