Patents by Inventor Hye Yong Chu

Hye Yong Chu 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: 10877585
    Abstract: A display device includes a display panel, a touch sensing member which is disposed on the display panel and comprises a touch sensing area and a vibration area disposed around the touch sensing area and generating vibrations in response to a first audio signal, and a window which is disposed on the touch sensing member and outputs sound in response to the vibrations generated in the vibration area.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hun Noh, Sung Chul Kim, Keun Kyu Song, Yi Joon Ahn, Hye Yong Chu
  • Publication number: 20200402453
    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 4, 2020
    Publication date: December 24, 2020
    Inventors: Hyun Min CHO, Dae Hyun KIM, Sung Chul KIM, Hye Yong CHU, Keun Kyu SONG
  • Patent number: 10803790
    Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Sung Chul Kim, Hye Yong Chu, Jong Hyuk Kang, Dae Hyun Kim, Keun Kyu Song, Hyun Deok Im
  • Publication number: 20200293084
    Abstract: A display device incudes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Yi Joon Ahn, Sung Chul Kim, Jung Hun Noh, Keun Kyu Song, Hye Yong Chu
  • Patent number: 10769990
    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: October 24, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Dae Hyun Kim, Sung Chul Kim, Hye Yong Chu, Keun Kyu Song
  • Patent number: 10747343
    Abstract: A display device includes a display panel displaying an image on one surface thereof, a substrate including a first surface and a second surface, wherein the first surface faces the display panel, and a first touch sensor provided between the display panel and the substrate, wherein the substrate includes a recess on the first surface, and the first touch sensor is arranged on at least a portion of the recess.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Hee Won, Hye Yong Chu, Young Chan Kim, Byung Han Yoo, Won Sang Park
  • Patent number: 10671114
    Abstract: A display device includes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Joon Ahn, Sung Chul Kim, Jung Hun Noh, Keun Kyu Song, Hye Yong Chu
  • Patent number: 10629744
    Abstract: Provided is a method for fabricating an electronic device, the method including: preparing a carrier substrate including an element region and a wiring region; forming a sacrificial layer on the carrier substrate; forming an electronic element on the sacrificial layer of the element region; forming a first elastic layer having a corrugated surface on the first elastic layer of the wiring region; forming a metal wirings electrically connecting the electronic element thereto, on the first elastic layer of the wiring region; forming a second elastic layer covering the metal wirings, on the first elastic layer; forming a high rigidity pattern filling in a recess of the second elastic layer above the electronic element so as to overlap the electronic element, and having a corrugated surface; forming a third elastic layer on the second elastic layer and the high rigidity pattern; and separating the carrier substrate.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: April 21, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kyoung Ik Cho, Jae Bon Koo, Chan Woo Park, Bock Soon Na, Sang Seok Lee, Sang Chul Lim, Soon-Won Jung, Hye Yong Chu
  • Patent number: 10627965
    Abstract: A touch sensor including a substrate; a plurality of first touch electrodes located on the substrate, the plurality of first touch electrodes each including first sensing cells and first connection patterns connected between the first sensing cells; a plurality of second electrodes located on the substrate while intersecting the first touch electrodes, the plurality of second electrodes each including second sensing cells and second connection patterns connected between the second sensing cells; and an insulating member located between the first connection patterns and the second connection patterns, the insulating member having elasticity. A modulus of elasticity of the substrate is equal to or greater than that of the insulating member.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
  • Patent number: 10629812
    Abstract: An electrode includes: a polymer layer including a non-conductive material; a conductive nanomaterial embedded in a top surface of the polymer layer; and a planarization layer on the polymer layer and on the conductive nanomaterial. The planarization layer includes a conductive material and a surfactant.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: April 21, 2020
    Assignees: Samsung Display Co., Ltd., UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Young Chan Kim, Won Sang Park, Hye Yong Chu, Jong Ho Hong, Si-Hoon Kim, Ju-Young Kim, Yun Seok Nam, Myoung Hoon Song
  • Patent number: 10573761
    Abstract: A pressure sensor includes a semiconductor layer, a gate electrode, a gate insulating layer, and a source electrode, and may be incorporated as a switching transistor in a display device. The gate electrode is configured to overlap the semiconductor layer. The gate insulating layer is disposed between the semiconductor layer and the gate electrode and includes a first insulating layer disposed on a surface of the semiconductor layer that faces the gate electrode and a second insulating layer comprising an elastic material disposed at least between the first insulating layer and the gate electrode. The source electrode and a drain electrode respectively coupled to spaced portions of the semiconductor layer.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: February 25, 2020
    Assignees: Samsung Display Co., Ltd., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Jang-Ung Park, Sung-Ho Shin, Sangyoon Jin, Seiho Choi
  • Publication number: 20190251898
    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: October 24, 2018
    Publication date: August 15, 2019
    Inventors: Hyun Min CHO, Dae Hyun KIM, Sung Chul KIM, Hye Yong CHU, Keun Kyu SONG
  • Publication number: 20190244567
    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: December 10, 2018
    Publication date: August 8, 2019
    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: 20190244559
    Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.
    Type: Application
    Filed: November 14, 2018
    Publication date: August 8, 2019
    Inventors: Hyun Min CHO, Sung Chul KIM, Hye Yong CHU, Jong Hyuk KANG, Dae Hyun KIM, Keun Kyu SONG, Hyun Deok IM
  • Publication number: 20190179448
    Abstract: An input sensing unit that utilizes conductive layers to sense various types of input. The input sensing unit may include a first conductive layer including first sensing electrodes; a second conductive layer disposed on the first conductive layer, the second conductive layer including second sensing electrodes and third sensing electrodes; and at least one insulating layer insulating the first conductive layer and the second conductive layer from each other. The input sensing unit senses at least one of a touch, a pressure, and a degree of moisture based on a change in capacitance between the conductive layers.
    Type: Application
    Filed: November 13, 2018
    Publication date: June 13, 2019
    Inventors: JAE IK LIM, Won Sang Park, Hye Yong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
  • Publication number: 20190154533
    Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 23, 2019
    Inventors: Jae Ik LIM, Won Sang PARK, Hye Yong CHU, Do-Il KIM, Nae-Eung LEE, Han-Byeol LEE
  • Publication number: 20190064991
    Abstract: A display device includes a display panel, a touch sensing member which is disposed on the display panel and comprises a touch sensing area and a vibration area disposed around the touch sensing area and generating vibrations in response to a first audio signal, and a window which is disposed on the touch sensing member and outputs sound in response to the vibrations generated in the vibration area.
    Type: Application
    Filed: May 7, 2018
    Publication date: February 28, 2019
    Inventors: Jung Hun NOH, Sung Chul KIM, Keun Kyu SONG, Yi Joon AHN, Hye Yong CHU
  • Publication number: 20190050024
    Abstract: A display device includes: a display panel; a plurality of vibro-acoustic elements coupled to the display panel and spaced apart from each other on a lower surface of the display panel; and a bracket disposed below the display panel and including a bottom plate, where a plurality of receiving holes is defined through the bottom plate. The plurality of vibro-acoustic elements is disposed in the plurality of receiving holes, respectively, a vibration space is defined by a portion of the bottom plate defining a receiving hole of the receiving holes, which is recessed from an upper surface toward a lower surface of the bottom plate, and audio frequencies in different frequency bands, respectively, is produced from regions in which the plurality of vibro-acoustic elements are disposed.
    Type: Application
    Filed: May 24, 2018
    Publication date: February 14, 2019
    Inventors: Yi Joon AHN, Sung Chul KIM, Jung Hun NOH, Keun Kyu SONG, Hye Yong CHU
  • Publication number: 20190014402
    Abstract: A panel bottom member includes a light absorbing member, a top bonding layer which is positioned at the top of the light absorbing member, a first vibration sound element which is positioned below the light absorbing member and bonded to the light absorbing member, a buffer member which is positioned below the light absorbing member and does not overlap with the first vibration sound element, and an interlayer bonding layer which is positioned between the light absorbing member and the buffer member.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 10, 2019
    Inventors: Yi Joon AHN, Sung Chul KIM, Jung Hun NOH, Keun Kyu SONG, Hye Yong CHU
  • Publication number: 20180342677
    Abstract: An electrode includes: a polymer layer including a non-conductive material; a conductive nanomaterial embedded in a top surface of the polymer layer; and a planarization layer on the polymer layer and on the conductive nanomaterial. The planarization layer includes a conductive material and a surfactant.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 29, 2018
    Inventors: Young Chan Kim, Won Sang Park, Hye Yong Chu, Jong Ho Hong, Si-Hoon Kim, Ju-Young Kim, Yun Seok Nam, Myoung Hoon Song