Patents by Inventor Keun-Kyu Song

Keun-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: 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
  • Patent number: 10788721
    Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: September 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun Kyu Song, Byung Seok Choi
  • Patent number: 10782580
    Abstract: An array substrate includes a first substrate, a source electrode disposed on the first substrate, a semiconductor pattern layer disposed on the source electrode, a drain electrode disposed on the semiconductor pattern layer, a pixel electrode disposed on the drain electrode and a gate electrode disposed on at least one side surface of the semiconductor pattern layer. A method of making the solar panel is provided. A method of making the array substrate is provided.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hun Noh, Keun Kyu Song, Hyun Sup Lee
  • 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
  • Publication number: 20200210003
    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: Application
    Filed: June 21, 2019
    Publication date: July 2, 2020
    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
  • 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
  • Publication number: 20200043976
    Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.
    Type: Application
    Filed: February 14, 2019
    Publication date: February 6, 2020
    Inventors: Dong Uk KIM, Hyun Min CHO, Keun Kyu SONG, Dae Hyun KIM, Jung Hong MIN, Seung A. LEE, Hyung Rae CHA
  • Publication number: 20190324330
    Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Inventors: Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun Kyu Song, Byung Seok Choi
  • Patent number: 10438977
    Abstract: A display device may include a first base substrate, a light-blocker, a gate wiring, a semiconductor member, a data wiring, and a drain electrode. The light-blocker is disposed on the first base substrate, and includes a light-blocking line extending in a first direction and a light-blocking protrusion protruding from the light-blocking line in a second direction different from the first direction. The gate wiring includes a gate line extending in the first direction and a gate electrode protruding from the gate line. The semiconductor member overlaps the gate electrode and includes a source region, a drain region, and a channel region. The data wiring extends in the second direction and is electrically connected to the source region. The drain electrode is electrically connected to the drain region. An edge of the gate electrode in the first direction is located in an overlap area between the drain region and the light-blocking protrusion.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: October 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hun Noh, Keun Kyu Song
  • 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
  • Patent number: 10379407
    Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun Kyu Song, Byung Seok Choi
  • 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: 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: 20190227603
    Abstract: A display device includes a display panel, a vibration sound device disposed below the display panel, a lower panel sheet disposed adjacent to the vibration sound device below the display panel and including a functional layer and a bottom coupling layer disposed on a lower surface of the functional layer, and a bracket disposed below the vibration sound device and the lower panel sheet and coupled with the bottom coupling layer, wherein the bottom coupling layer partially exposes the lower surface of the functional layer, a separation space is defined between the bracket and the lower surface of the functional layer where the bottom coupling layer is exposed, and the separation space is partially connected with the vibration sound device.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 25, 2019
    Inventors: Jung Hun NOH, Yi Joon AHN, Myung Im KIM, Keun Kyu SONG, Jae Woo IM
  • Patent number: 10254608
    Abstract: Provided is a display device. The display device includes: a substrate; a light blocking pattern disposed on the substrate; a semiconductor pattern disposed on the light blocking pattern; a gate insulating layer disposed on the semiconductor pattern; a gate wiring; an interlayer insulating layer formed on the gate wiring; a first contact hole for exposing the source area; a data wiring disposed to extend in the second direction on the interlayer insulating layer and electrically connected to the source area via the first contact hole; a first passivation layer disposed on the data wiring; a second contact hole, which is disposed between the neighboring protrusion portions of the light blocking pattern so as not to overlap the light blocking pattern, and exposes the drain area; and a pixel electrode disposed on the first passivation layer and electrically connected to the drain area through the second contact hole.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hun Noh, Masataka Kano, Yeon Keon Moon, Keun Kyu Song, Jun Ho Song, Hyun Sup Lee, Sang Hee Jang, Byung Seok Choi
  • 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