Patents by Inventor Won Sik Oh

Won Sik 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: 20240100340
    Abstract: Provided is a device for relieving headache and pain caused by temporomandibular joint disorders may include: a body having a neck band surroundingly worn on a user's neck, first connectors extending forwardly from both ends of the neck band by first set lengths, and second connectors extending upwardly from front ends of the first connectors by second set lengths; first low frequency electrostimulators disposed on the second connectors and coming into close contact with the temporalis muscles, when the body is worn on the user's head, to apply low frequencies to the temporalis muscles; and second low frequency electrostimulators disposed on the connected portions between the first connectors and the second connectors and coming into close contact with the masseter muscles, when the body is worn on the user's head, to apply low frequencies to the masseter muscles.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Inventors: Tae Hun KIM, Won Sik BAE, Jae Hyeong OH, Dong Jin YOU
  • Patent number: 11929013
    Abstract: A display device according to an embodiment includes a pixel including a light emitting unit, a data driver that supplies a data voltage to the pixel, and a luminance corrector that corrects image data and generates compensation data corresponding to the data voltage. The light emitting unit includes at least one sub element group. The at least one sub element group includes light emitting elements. The luminance corrector extracts a deterioration value of the at least one sub element group and calculates a luminance value of the at least one sub element group according to a number of the light emitting elements included in the at least one sub element group.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Gwang Jang, Jun Pyo Lee, Won Sik Oh, Jong Jae Lee
  • Publication number: 20240055566
    Abstract: A display device in accordance with one or more embodiments may include: a substrate including a display area including a plurality of pixel areas, each of the plurality of pixel areas including an emission area, and a non-display area at at least one side of the display area; and a pixel in each of the plurality of pixel areas. The pixel may include: a first electrode and a second electrode spaced from each other on the substrate; a plurality of light emitting elements connected between the first and the second electrodes; and an optical pattern on the plurality of light emitting elements and overlapping at least some of the plurality of light emitting elements. The optical pattern is configured to extract light emitted from the plurality of light emitting elements.
    Type: Application
    Filed: March 12, 2020
    Publication date: February 15, 2024
    Inventors: Chang Il TAE, Jae Woong KANG, Sin Chul KANG, Su Mi MOON, Won Sik OH
  • Patent number: 11869425
    Abstract: A display device may include a first power line; a second power line; a data line that transmits a data signal; a scan line that transmits a scan signal; and pixels electrically connected to the first power line, the second power line, the data line, and the scan line. Each of the pixels may include light emitting elements electrically connected between the first power line and the second power line; and a first transistor that provides driving current to the light emitting elements in response to the data signal.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Sik Oh, Hyun Min Cho, Sin Chul Kang, Dae Hyun Kim
  • Patent number: 11848335
    Abstract: A display device may include a first scan line, a first data line and a second data line, a first read-out line and a second read-out line. A first sub-pixel may be connected to the first scan line, the first data line, and the first read-out line. A second sub-pixel may be connected to the first scan line, the first data line, and the second read-out line. A third sub-pixel may be connected to the first scan line, the second data line, and the first read-out line. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include at least one light emitting element.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Sik Oh, Hyun Min Cho, Dae Hyun Kim
  • Patent number: 11790837
    Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
  • Patent number: 11688314
    Abstract: A pixel comprising a light emitting unit comprising at least one light emitting element; a pixel circuit for supplying current to the light emitting in response to a data signal; a sensing transistor electrically connected between a data line and a first node that is a common node of the light emitting unit and the pixel circuit; and a control transistor electrically connected between a scanning line and a gate electrode of the sensing transistor.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yo Han Lee, Sin Chul Kang, Su Mi Moon, Won Sik Oh
  • Publication number: 20230155067
    Abstract: According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.
    Type: Application
    Filed: April 21, 2021
    Publication date: May 18, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Deok IM, Won Sik OH, Won Ho LEE, Jong Hyuk KANG, Hyun Min CHO
  • Publication number: 20230123503
    Abstract: A display includes: a first electrode including a first electrode line and a second electrode line; a light-emitting device between the first electrode line and the second electrode line; a first contact electrode including a first pattern overlapping the first electrode line and one end of the light-emitting device and a second pattern overlapping the second electrode line and the other end of the light-emitting device; a second electrode on the light-emitting device and overlapping the first electrode and the light-emitting device; and a second contact electrode between the light-emitting device and the second electrode, wherein a light-emitting device includes a plurality of semiconductor layers and an insulating film partially surrounding the external surfaces of the semiconductor layers, a main body unit, and a light-emitting unit on the main body unit and having a shorter length than the main body unit.
    Type: Application
    Filed: June 5, 2020
    Publication date: April 20, 2023
    Inventors: Won Sik OH, Dong Uk KIM, Hyun Min CHO
  • Patent number: 11594171
    Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: February 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sin Chul Kang, Won Sik Oh, Yo Han Lee, Hee Keun Lee, Hyun Min Cho
  • Publication number: 20230045654
    Abstract: A display device includes transistors disposed on a substrate, a first protective layer covering the transistors, conductive patterns disposed on the first protective layer, a second protective layer disposed on the conductive patterns, first and second electrodes disposed on the second protective layer, at least one light emitting disposed between the first and second electrodes, and a first contact electrode disposed on the first electrode and contacting an end of at least one light emitting element, and a second contact electrode disposed on the second electrode and contacting another end of the at least one light emitting element. The conductive patterns include first and second conductive patterns respectively overlapping the first and second electrodes. The first electrode is connected to the first conductive pattern. The second protective layer includes an opening hole exposing a portion of the second conductive pattern.
    Type: Application
    Filed: November 17, 2020
    Publication date: February 9, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Su Mi MOON, Sin Chul KANG, Jae Woong KANG, Won Sik OH
  • Publication number: 20230013528
    Abstract: A display device according to an embodiment includes a pixel including a light emitting unit, a data driver that supplies a data voltage to the pixel, and a luminance corrector that corrects image data and generates compensation data corresponding to the data voltage. The light emitting unit includes at least one sub element group. The at least one sub element group includes light emitting elements. The luminance corrector extracts a deterioration value of the at least one sub element group and calculates a luminance value of the at least one sub element group according to a number of the light emitting elements included in the at least one sub element group.
    Type: Application
    Filed: May 10, 2022
    Publication date: January 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Dae Gwang JANG, Jun Pyo LEE, Won Sik OH, Jong Jae LEE
  • Publication number: 20230006119
    Abstract: A display device may include a substrate including pixel areas, and a pixel disposed in each of the pixel area. The pixel may include a transistor and a driving voltage line disposed in the substrate, first and second electrodes spaced apart from each other, a bank pattern disposed on the first and second electrodes, respectively, intermediate layers disposed on the bank pattern, light emitting elements disposed between two adjacent intermediate layers of the intermediate layers, a first contact electrode disposed on one of the two adjacent intermediate layers and electrically connected to an end of each of the light emitting elements, and a second contact electrode disposed on another one of the two adjacent intermediate layers and electrically connected to another end of each of the light emitting elements.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 5, 2023
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Sik OH, Su Mi MOON, Sin Chul KANG, Hyun Min CHO, Xinxing LI, Chul Jong YOO
  • Publication number: 20220392923
    Abstract: A display device may include a first scan line, a first data line and a second data line, a first read-out line and a second read-out line. A first sub-pixel may be connected to the first scan line, the first data line, and the first read-out line. A second sub-pixel may be connected to the first scan line, the first data line, and the second read-out line. A third sub-pixel may be connected to the first scan line, the second data line, and the first read-out line. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include at least one light emitting element.
    Type: Application
    Filed: October 8, 2020
    Publication date: December 8, 2022
    Inventors: Won Sik OH, Hyun Min CHO, Dae Hyun KIM
  • Publication number: 20220392947
    Abstract: Provided herein may be a display device. The display device may include: a first connection electrode extending in a first direction, and electrically connected to a first power line to which a first power supply is applied; a second connection electrode spaced apart from the first connection electrode, and electrically connected to a second power line to which a second power supply is applied; a first electrode extending from the first connection electrode; a second electrode extending from the second connection electrode, and disposed in parallel to the first electrode with a predetermined distance therebetween; and a plurality of light emitting elements each including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode. Each of the first electrode and the second electrode may include a bent portion.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 8, 2022
    Inventors: Won Sik OH, Su Mi MOON, Hyun Min CHO
  • Patent number: 11520184
    Abstract: A color conversion display panel includes: a color conversion layer provided on a substrate and including a semiconductor nanocrystal and a scatterer; and a transmission layer provided on the substrate, wherein the semiconductor nanocrystal is included at greater than 30 wt % of an entire content of the color conversion layer, and the scatterer is included at equal to or less than 12 wt % of the entire content of the color conversion layer.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: December 6, 2022
    Inventors: Won Woo Jang, Jin Ho Park, Won Sik Oh, Hyang-A Park, Seung In Baek, Seoung Bum Pyoun, Jae Min Ha, Hyun Ji Ha
  • Publication number: 20220384402
    Abstract: A pixel includes first and second sub-pixel areas adjacent to each other in a first direction; first and second electrodes disposed in each of the first and the second sub-pixel areas, and spaced apart from each other; light emitting elements disposed between the first and the second electrodes in each of the first and the second sub-pixel areas; a first driving transistor disposed in the first sub-pixel area, and electrically connected to the first electrode; and a second driving transistor disposed in the second sub-pixel area, and electrically connected to the first electrode. The first electrode of the first sub-pixel area and the first electrode of the second sub-pixel area are electrically disconnected from each other, and the second electrode of the first sub-pixel area and the second electrode of the second sub-pixel area are electrically connected to each other.
    Type: Application
    Filed: September 24, 2020
    Publication date: December 1, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yo Han LEE, Won Sik OH, Hyun Min CHO
  • Publication number: 20220366840
    Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
    Type: Application
    Filed: August 1, 2022
    Publication date: November 17, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh KWAG, Won Sik OH, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
  • Publication number: 20220352244
    Abstract: A display device includes a pixel disposed in a display area; a first line electrically connected to the pixel; and a first control line disposed around the first line. The pixel includes a first electrode and a second electrode spaced apart from each other; at least one intermediate electrode including a first intermediate electrode disposed between the first electrode and the second electrode; light emitting elements electrically connected between a pair of adjacent electrodes among the first electrode, the second electrode, and the at least one intermediate electrode; and a first switching element electrically connected between the first intermediate electrode and the first line, the first switching element being controlled by a signal applied to the first control line.
    Type: Application
    Filed: April 10, 2020
    Publication date: November 3, 2022
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sin Chul KANG, Su Mi MOON, Jae Woong KANG, Won Sik OH, Hyun Min CHO
  • Patent number: 11403997
    Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: August 2, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho