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).

  • Publication number: 20230117741
    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: December 20, 2022
    Publication date: April 20, 2023
    Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
  • Patent number: 11631271
    Abstract: A fingerprint sensor includes a sensor pixel arranged in a sensing area, including a pixel electrode coupled to a first node; a first transistor coupled between the first node and a first or second power line, the first transistor including a first gate electrode coupled to a first scan line and a second gate electrode opposite to the first gate electrode; a first capacitor coupled between the first node and a second scan line; a second transistor coupled between a readout line and the first power line, the second transistor including a first gate electrode coupled to the first node and a second gate electrode opposite to the first gate electrode; and a third transistor coupled between the second transistor and the first power line, the third transistor including a first gate electrode coupled to the second scan line and a second gate electrode opposite to the first gate electrode.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 18, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Sun Kim, Mu Kyung Jeon
  • Publication number: 20230103841
    Abstract: A display device including: a base layer; a backplane structure provided on the base layer and including a pixel circuit and a sensor circuit; a pixel layer provided on the backplane structure and including a light-emitting element connected to the pixel circuit and a light-receiving element connected to the sensor circuit; and an encapsulation layer covering the pixel layer, wherein the sensor circuit includes: a first sensor transistor and a second sensor transistor connected between a readout line and a sensing power line to which sensing power is supplied; and a third sensor transistor connected to the light-receiving element, wherein the sensing power line extends in a first direction, and wherein the backplane structure further includes a first connection pattern to connect the first sensor transistor and the second sensor transistor through first and second contact holes.
    Type: Application
    Filed: June 16, 2022
    Publication date: April 6, 2023
    Inventors: Hee Jean PARK, Hee Rim SONG, Mu Kyung JEON
  • Publication number: 20230109051
    Abstract: A display device includes a substrate including a display area and a photo sensing area overlapping the display area, a plurality of pixels disposed at the display area and having an emission area, and a plurality of photo sensors disposed at the photo sensing area and having an effective sensing area. Each of the plurality of pixels includes a light-emitting element including a display pixel electrode, an emissive layer, and a common electrode. Each of the plurality of photo sensors includes a photo sensing element including a sensing electrode, a photoelectric conversion layer and the common electrode. The common electrode is disposed between the emissive layer and the photoelectric conversion layer. A center point of the effective sensing area is located in the emission area in a plan view.
    Type: Application
    Filed: September 13, 2022
    Publication date: April 6, 2023
    Inventors: Mu Kyung JEON, Suk KIM, Sung Chan JO
  • Publication number: 20230089207
    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: June 2, 2022
    Publication date: March 23, 2023
    Inventors: Cheol Gon LEE, Hee Jean PARK, Hee Rim SONG, Yu Jin LEE, Mu Kyung JEON
  • Patent number: 11574497
    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: November 22, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
  • Patent number: 11568769
    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: March 14, 2022
    Date of Patent: January 31, 2023
    Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
  • Publication number: 20230006020
    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: September 2, 2022
    Publication date: January 5, 2023
    Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
  • Publication number: 20220392410
    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: August 16, 2022
    Publication date: December 8, 2022
    Inventors: Jang Mi Kang, Ji Sun Kim, Mu Kyung Jeon
  • Publication number: 20220334679
    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: Application
    Filed: November 29, 2019
    Publication date: October 20, 2022
    Inventors: Sun-Hwa LEE, Dong-Hoon LEE, Mu-Kyung JEON, Ki-Hyun PYO
  • Patent number: 11468704
    Abstract: A fingerprint sensor includes four transistors and a photodetector. The first transistor connects a second node with a third node based on a voltage of a first node, where the first node corresponding to a first electrode of the photodetector. The second transistor connects the second node with a read-out line based on a scan signal. The third transistor supplies a reset voltage to the first node based on a first reset signal. The fourth transistor connects the first node with the second node based on a second reset signal.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Kyung Hoon Chung
  • Patent number: 11462178
    Abstract: A display device including a light-emitting diode, a first transistor configured to supply a driving current to the light-emitting diode, a second transistor configured to transmit a data signal to the first transistor, a third transistor configured to transmit the data signal compensated with a threshold voltage to a gate electrode of the first transistor, a first scan line connected to a gate electrode of the second transistor, a second scan line connected to a gate electrode of the third transistor and insulated from the first scan line, and a conductive pattern connected to the gate electrode of the first transistor and insulated from the first scan line and the second scan line. The conductive pattern overlaps the first scan line and the second scan line, and the conductive pattern includes a stem part extending in one direction and a branch part branching from the stem part and overlapping the first scan line.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Mi Kang, Ji Sun Kim, Mu Kyung Jeon
  • Patent number: 11437459
    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: August 26, 2020
    Date of Patent: September 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Nam Kim, Ji Hun Ryu, Ki Hyun Pyo
  • Publication number: 20220198968
    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 14, 2022
    Publication date: June 23, 2022
    Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
  • Publication number: 20220165217
    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: September 23, 2021
    Publication date: May 26, 2022
    Inventors: Yu Jin LEE, Mu Kyung JEON, Mee Hye JUNG, Hee Jean PARK
  • Publication number: 20220157076
    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: Application
    Filed: November 22, 2021
    Publication date: May 19, 2022
    Inventors: Sun Hwa LEE, Ki June LEE, Mu Kyung JEON
  • Patent number: 11333937
    Abstract: A display substrate includes an insulating substrate, a first gate line, a first lower electrode, a second lower electrode, a first upper electrode, and a second upper electrode. The insulating substrate includes a first pixel region and a second pixel region located at a first direction from the first pixel region. The first gate line extends in a second direction crossing the first direction on the insulating substrate. The first and the second lower electrodes are in the first and the second pixel regions, respectively. The first upper electrode overlaps the first lower electrode in the first pixel region and includes a first slit pattern extending in a third direction different from the first and the second directions. The second upper electrode overlaps the second lower electrode in the second pixel region and includes a second slit pattern extending in a fourth direction different from the first to the third directions.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: May 17, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Jun Lee, Jin-Oh Park, Mu-Kyung Jeon, Yong-Kyu Jang, Dong-Hoon Lee, Chi-Woo Kim
  • Patent number: 11302221
    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: July 13, 2020
    Date of Patent: April 12, 2022
    Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
  • Publication number: 20220100303
    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: Application
    Filed: November 21, 2019
    Publication date: March 31, 2022
    Inventors: Sun Hwa LEE, Dong Hoon LEE, Mu Kyung JEON
  • Publication number: 20220058362
    Abstract: A fingerprint sensor includes four transistors and a photodetector. The first transistor connects a second node with a third node based on a voltage of a first node, where the first node corresponding to a first electrode of the photodetector. The second transistor connects the second node with a read-out line based on a scan signal. The third transistor supplies a reset voltage to the first node based on a first reset signal. The fourth transistor connects the first node with the second node based on a second reset signal.
    Type: Application
    Filed: June 2, 2021
    Publication date: February 24, 2022
    Inventors: Sun Hwa LEE, Mu Kyung JEON, Kyung Hoon CHUNG