Patents by Inventor In Kyu Song

In Kyu Song 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: 20220037568
    Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jin Oh KWAG, Dae Hyun KIM, Keun Kyu SONG, Sung Chan JO, Hyun Min CHO
  • Publication number: 20220029058
    Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels in the display area, and each including sub-pixels. Each sub-pixel may include a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer may include: a first electrode on the pixel circuit layer; a second electrode on the first electrode and electrically insulated from the first electrode; the light emitting element including a first end portion coupled to the first electrode and a second end portion coupled to the second electrode, and between the first electrode and the second electrode; an intermediate layer enclosing at least one area of the light emitting element, and on the first electrode; a connection line electrically connected to the second electrode. The second electrode may be on the intermediate layer.
    Type: Application
    Filed: May 30, 2019
    Publication date: January 27, 2022
    Inventors: Dong Uk KIM, Jin Oh KWAG, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
  • Patent number: 11233067
    Abstract: A vertical memory device includes a substrate including a cell array region and a connection region adjacent to the cell array region, a plurality of gate electrode layers stacked on the cell array region and the connection region of the substrate, a channel structure on the cell array region and extending in a direction perpendicular to an upper surface of the substrate while penetrating through the plurality of gate electrode layers, a dummy channel structure on the connection region and extending in the direction perpendicular to the upper surface of the substrate while penetrating through at least a portion of the plurality of gate electrode layers, and a support insulating layer between a portion of the plurality of gate electrode layers and the dummy channel structure. The plurality of gate electrode form a stepped structure on the connection region.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: January 25, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Moon Kyu Song, Ki Yoon Kang, Jae Hoon Jang
  • Patent number: 11225732
    Abstract: Provided is a method of manufacturing a mechanoluminescent fiber. The method includes the steps of: preparing an elastic fiber having a longitudinal groove on the surface thereof; forming a primer layer including a coupling agent on the elastic fiber; filling the groove of the elastic fiber with a mixture of a stress transfer substance and a stress luminescent substance; and forming a silicon adhesive layer on the elastic fiber of which the groove is filled with the mixture of a stress transfer substance and a stress luminescent substance. The silicon adhesive layer is 3-dimensionally bonded to the elastic fiber and the mixture of a stress transfer substance and a stress luminescent substance.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: January 18, 2022
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE & TECHNOLOGY
    Inventors: Soon Moon Jeong, Seong Kyu Song, Sang Kyoo Lim
  • Publication number: 20210405807
    Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Hyun Min CHO, Dae Hyun KIM, Sung Chul KIM, Hye Yong CHU, Keun Kyu SONG
  • Publication number: 20210400992
    Abstract: Proposed is an ultrasonic bread cutter, in which high-frequency electrical energy is converted into mechanical energy by an ultrasonic unit and bread is cut by ultrasonic vibration of a cutting knife. The ultrasonic bread cutter according to an embodiment includes the ultrasonic unit configured to convert high-frequency electrical energy into the mechanical energy; and the cutting knife configured to cut bread by transmitting the mechanical vibration of the mechanical energy to the bread while passing through the bread.
    Type: Application
    Filed: February 17, 2020
    Publication date: December 30, 2021
    Inventor: Cheoul Kyu SONG
  • Publication number: 20210383864
    Abstract: Disclosed is a memory device for cancelling a sneak current. The memory device according to the exemplary embodiment of the present disclosure includes a memory cell array which includes a plurality of word lines and a plurality of bit lines intersecting each other and memory cells disposed at intersections of the word lines and the bit lines; and a sensing circuit which supplies a bit line current to all or some of the bit lines, cancels a sneak current based on the bit line current by at least one switching control, and senses and amplifies data stored in the memory cell to output the sensed and amplified data.
    Type: Application
    Filed: June 3, 2021
    Publication date: December 9, 2021
    Inventors: Seong Ook JUNG, Tae Hyun KIM, Byung Kyu SONG
  • Patent number: 11191983
    Abstract: A fire suppressing device including a torus container with a main body defining an interior chamber and a discharge port, the interior chamber configured to receive and retain metal organic framework materials. The fire suppressing device also includes an inductor coil extending through the interior chamber of the torus container and surrounding the metal organic framework materials. The inductor coil is configured to heat the metal organic framework materials to form a fire suppressing substance that is conveyed through the discharge port.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 7, 2021
    Assignee: THE BOEING COMPANY
    Inventors: Kyu-Pyung Hwang, Young Kyu Song
  • Patent number: 11194413
    Abstract: A display device for a vehicle includes a stretchable display panel and a touch sensor on a first surface of the stretchable display panel and configured to sense a user's touch. The stretchable display panel includes a plurality of pixels and has a button display area and a display area adjacent the button display area. The stretchable display panel is integrally arranged on a center fascia of the vehicle that as a plurality of curved surfaces, and a step is defined between the button display area and the adjacent display area.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: December 7, 2021
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jong Ho Hong, Da Young Ju, Keun Kyu Song, Jae Min Shin, Young Hoon Oh, Joon Hak Oh, Ji Min Ryu, So Yon Jeong, Hye Jin Joo, Ju Yeong Kwon
  • Publication number: 20210375194
    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: April 11, 2019
    Publication date: December 2, 2021
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh KWAG, Won Sik OH, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
  • Patent number: 11190333
    Abstract: A method and an apparatus for estimating synchronization of a broadcast signal in a time domain using a synchronization estimation signal through steps of: performing a correlation operation using a correlation window on a plurality of synchronization estimation signals separated to a plurality of paths and outputting a plurality of correlated signals; delaying the plurality of correlated signals to output a plurality of delayed signals; and estimating the synchronization using the plurality of delayed signals are provided.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: November 30, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung-Sun Baek, Sang-Jung Ra, Byungjun Bae, Yong Seong Cho, Hyoung Kyu Song, Won-Seok Lee
  • Patent number: 11187292
    Abstract: Disclosed herein are a brake actuator and an electromechanical brake using the brake actuator and a control method thereof. The brake actuator provided in a disc brake to press or release a piston and controlled by an electrical signal includes a first actuator including a first power transmission unit configured to transmit power to the piston side; and a second actuator including a second power transmission unit configured to transmit power to the piston side; wherein the first and second power transmission units are arranged coaxially.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: November 30, 2021
    Assignee: Mando Corporation
    Inventor: Joon-Kyu Song
  • Publication number: 20210350746
    Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventors: Hyun Min CHO, Sung Chul KIM, Dae Hyun KIM, Hye Yong CHU, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, Hyun Deok IM
  • Publication number: 20210351171
    Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.
    Type: Application
    Filed: March 21, 2019
    Publication date: November 11, 2021
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Je Won YOO, Dae Hyun KIM, Bek Hyun LIM, Myeong Hee KIM, Chang Il TAE, Hyun Min CHO, Keun Kyu SONG, Jin Oh KWAG
  • Publication number: 20210344900
    Abstract: Provided is an image processing device configured to compress first image data. The image processing device includes an encoding circuit configured to compress the first image data into second image data including prediction data and residual data, compress the second image data into third image data by performing entropy encoding on the second image data, generate a header representing a compression ratio of the third image data, and store the third image data along with the header in a memory device as compressed first image data.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Inventors: SUNG HO JUN, CHANG SOO PARK, MOON KYU SONG, KYUNG KOO LEE, KIL WHAN LEE, HYUK JAE JANG, KYUNG AH JEONG
  • Publication number: 20210343784
    Abstract: A display device comprises a substrate including a display area and a non-display area, and pixels disposed in the display area, each of the pixels including sub-pixels. Each of sub-pixels includes a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer includes first and second electrodes spaced apart from each other, the light emitting element disposed between the first electrode and second electrode, a first contact electrode that electrically connects an end of the light emitting element to the first electrode, and a second contact electrode that electrically connects another end of the light emitting element to the second electrode. Each of sub-pixels includes a first area in which the pixel circuit layer is disposed, and a second area adjacent to the first area. The second area includes a transmission area through which the light passes.
    Type: Application
    Filed: April 15, 2019
    Publication date: November 4, 2021
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Oh KWAG, Jong Hyuk KANG, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
  • Publication number: 20210327954
    Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.
    Type: Application
    Filed: September 21, 2018
    Publication date: October 21, 2021
    Inventors: Hyun Min CHO, Dae Hyun KIM, Jin Oh KWAG, Dong Hyun KIM, Keun Kyu SONG, Hyun Deok IM, Sung Chan JO
  • Publication number: 20210320089
    Abstract: An apparatus for manufacturing a light emitting display device includes a substrate transfer stage including a plurality of support plates arranged at an interval in a first direction, each of the plurality of support plates extending in a second direction; and at least one electric-field application module disposed on at least one side of the substrate transfer stage. The at least one electric-field application module includes a probe head including at least one probe pin; and a driver connected to the probe head to move the probe head at least up and down.
    Type: Application
    Filed: March 21, 2019
    Publication date: October 14, 2021
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hyuk KANG, Hae Yun CHOI, Han Su KIM, Eun A YANG, Hyun Min CHO, Keun Kyu SONG, Jin Oh KWAG
  • Patent number: 11120739
    Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: September 14, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Dae Hyun Kim, Sung Chul Kim, Hye Yong Chu, Keun Kyu Song
  • Publication number: 20210280746
    Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.
    Type: Application
    Filed: January 3, 2019
    Publication date: September 9, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Dae Hyun KIM, Hyun Min CHO, Jin Oh KWAG, Keun Kyu SONG, Sung Chan JO