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: 20220005907
    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: September 20, 2021
    Publication date: January 6, 2022
    Inventors: Ji-Sun KIM, Jang Mi KANG, Sun Hwa LEE, Mu Kyung JEON
  • Patent number: 11182584
    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: August 18, 2020
    Date of Patent: November 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
  • Patent number: 11158698
    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: March 25, 2020
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
  • Patent number: 11127805
    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: May 31, 2018
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji-Sun Kim, Jang Mi Kang, Sun Hwa Lee, Mu Kyung Jeon
  • Publication number: 20210249495
    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: August 26, 2020
    Publication date: August 12, 2021
    Inventors: Sun Hwa LEE, Mu Kyung JEON, Il Nam KIM, Ji Hun RYU, Ki Hyun PYO
  • Publication number: 20210118377
    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: Application
    Filed: December 28, 2020
    Publication date: April 22, 2021
    Inventors: Jang Mi KANG, Ji Sun Kim, Mu Kyung Jeon
  • Publication number: 20210097252
    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: August 18, 2020
    Publication date: April 1, 2021
    Inventors: Sun Hwa Lee, Ki June Lee, Mu Kyung Jeon
  • Patent number: 10943930
    Abstract: A display device including a substrate having a first region, a second region, and a bending region disposed between the first region and the second region; and a plurality of bending connection lines disposed on the substrate in the bending region and extended in a first direction. Each of the bending connection lines includes a protrusion in a second direction and a recess depressed from the protrusion, and the protrusion of each of the bending connection lines faces the recess of the bending connection lines next thereto.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: March 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyung Soon Park, Hee Rim Song, Mu Kyung Jeon
  • Patent number: 10892307
    Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: January 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Gon Kim
  • Patent number: 10878759
    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: September 13, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Mi Kang, Ji Sun Kim, Mu Kyung Jeon
  • Patent number: 10846499
    Abstract: A fingerprint sensor includes: sensor pixels, each including a first transistor which controls a sensing signal to be outputted to a corresponding one of output lines; power lines disposed on a vertical line basis and each electrically connected to sensor pixels disposed on a corresponding vertical line; and a power supply unit which supplies reference voltages to the power lines. The power supply unit supplies the reference voltages, which is adjusted on the vertical line basis, to the power lines.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Mee Hye Jung
  • Publication number: 20200342791
    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: July 13, 2020
    Publication date: October 29, 2020
    Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
  • Patent number: 10803802
    Abstract: A display device includes a plurality of pixels arranged in a first direction; a first data line extending along a first edge of the pixel row; a second data line extending along a second edge of the pixel row; a first pixel connected to the first data line; and a second pixel adjacent to the first pixel and connected to the second data line. Each of the first and second pixels includes a light emitting diode, a first transistor to transmit a driving current to the light emitting diode, a second transistor to transmit a data signal to the first transistor, a third transistor to transmit the data signal having a compensated threshold voltage to the first transistor, and a fourth transistor to transmit an initialization voltage signal to the first transistor. The first and second transistors are PMOS transistors. The third and fourth transistors are NMOS transistors.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Mu Kyung Jeon, Mee Hye Jung
  • Patent number: 10755608
    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 15, 2019
    Date of Patent: August 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee Rim Song, Gyung Soon Park, Mu Kyung Jeon
  • Publication number: 20200227502
    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: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
  • Publication number: 20200161388
    Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Sun Hwa LEE, Mu Kyung JEON, II Gon KIM
  • Patent number: 10615240
    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: October 30, 2015
    Date of Patent: April 7, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hee Rim Song, Mu Kyung Jeon, Chong Chul Chai
  • Publication number: 20200090559
    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: July 15, 2019
    Publication date: March 19, 2020
    Inventors: Hee Rim SONG, Gyung Soon PARK, Mu Kyung JEON
  • Patent number: 10546902
    Abstract: A display device includes a display pixel and a sensor pixel. The display pixel includes a light-emitting element including a first pixel electrode. The display pixel further includes a pixel circuit electrically coupled to the light-emitting element. The sensor pixel includes a sensor electrode overlapping the first pixel electrode. The sensor pixel further includes a sensor circuit electrically coupled to the sensor electrode. The first pixel electrode includes a first opening in a region overlapping the sensor electrode.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: January 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Mu Kyung Jeon, Il Gon Kim
  • Publication number: 20200006397
    Abstract: A display device including a substrate having a first region, a second region, and a bending region disposed between the first region and the second region; and a plurality of bending connection lines disposed on the substrate in the bending region and extended in a first direction. Each of the bending connection lines includes a protrusion in a second direction and a recess depressed from the protrusion, and the protrusion of each of the bending connection lines faces the recess of the bending connection lines next thereto.
    Type: Application
    Filed: June 27, 2019
    Publication date: January 2, 2020
    Inventors: Gyung Soon PARK, Hee Rim Song, Mu Kyung Jeon