Patents by Inventor Euihyun Chung

Euihyun Chung 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: 20250078735
    Abstract: A display device may include a display panel including a plurality of pixels; and a data driver circuit configured to supply a data signal to the plurality of the pixels through data lines. A gate driver circuit, configured to supply a gate signal to the plurality of the pixels through gate lines, is disposed in the display panel. The display panel includes a driving layer including a gate area having the gate driver circuit; and a pixel circuit layer including an active area having a pixel area in which each of the plurality of pixels is disposed and a non-active area around the active area. The pixel circuit layer includes a light emitting diode, a clock line configured to supply a clock signal to the gate driver circuit, and a shielding pattern between the light emitting diode and the clock line.
    Type: Application
    Filed: August 16, 2024
    Publication date: March 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hyunguk JANG, EuiHyun CHUNG, JoungMi CHOI
  • Publication number: 20250081779
    Abstract: A display device in one example includes a display panel having pixels on a substrate being divided into a first area at a center area and a second area adjacent to the first area. The display panel further includes a gate driver having stages configured to supply a gate signal to the pixels through gate lines. Each of the stages included in the gate driver is disposed in a gate area that at least partially overlaps the first area and the second area. The pixels include first pixels disposed on the first area and second pixels disposed on the second area. Further, the first pixels can be disposed in the first area at a first density and the second pixels can be disposed in the second area at a second pixel density being lower than the first pixel density.
    Type: Application
    Filed: August 14, 2024
    Publication date: March 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: JoungMi CHOI, EuiHyun CHUNG
  • Publication number: 20250008771
    Abstract: A display device according to one or more examples may include a substrate, a display area with a first display area and a second display area, a non-display area, a base circuit layer located on the substrate and including a gate-in-panel circuit and a subpixel circuit array disposed in the display area, and a light emitting device layer located on the base circuit layer and including two or more first light emitting devices disposed in the first display area and two or more second light emitting devices disposed in the second display area. The subpixel circuit array may include one first subpixel circuit configured to simultaneously drive the two or more first light emitting devices, and disposed in the second display area, and two or more second subpixel circuits configured to respectively drive the two or more second light emitting devices, and disposed in the second display area.
    Type: Application
    Filed: June 24, 2024
    Publication date: January 2, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hyunguk Jang, EuiHyun Chung, JoungMi Choi
  • Publication number: 20240423042
    Abstract: A display device according to one or more examples may include a substrate, a pixel array layer located on the substrate and including a plurality of subpixels disposed in a display area where an image is displayed, and a base circuit layer located between the substrate and the pixel array layer and including a gate driving circuit disposed over the entire display area. A display panel and a display apparatus are also disclosed.
    Type: Application
    Filed: June 13, 2024
    Publication date: December 19, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: JoungMi Choi, EuiHyun Chung, Hyunguk Jang
  • Patent number: 12035597
    Abstract: Discussed is an organic light emitting display device, including a plurality of pixels. Each pixel includes a red sub pixel, green sub pixels, and a blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction. The green sub pixels are disposed between the red sub pixel and the blue sub pixel. The red sub pixel, the green sub pixels, and the blue sub pixel of a first pixel form a first group, and the red sub pixel, the green sub pixels, and the blue sub pixel of a second pixel form a second group. The first group and the second group are symmetric with the first direction. The red sub pixels and the blue sub pixels are disposed at a second line parallel to a second direction perpendicular to the first direction.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: July 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Euihyun Chung, Yongmin Jeong
  • Publication number: 20230217765
    Abstract: Discussed is an organic light emitting display device, including a plurality of pixels. Each pixel includes a red sub pixel, green sub pixels, and a blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction. The green sub pixels are disposed between the red sub pixel and the blue sub pixel. The red sub pixel, the green sub pixels, and the blue sub pixel of a first pixel form a first group, and the red sub pixel, the green sub pixels, and the blue sub pixel of a second pixel form a second group. The first group and the second group are symmetric with the first direction. The red sub pixels and the blue sub pixels are disposed at a second line parallel to a second direction perpendicular to the first direction.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 6, 2023
    Applicant: LG DISPLAY CO., LTD.
    Inventors: EuiHyun CHUNG, Yongmin JEONG
  • Patent number: 11631721
    Abstract: An organic light emitting display device includes a plurality of pixels including a first pixel and a second pixel. Each of the first pixel and the second pixel includes at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction, and the plurality of green sub pixels is disposed between the at least one red sub pixel and at least one blue sub pixel of each pixel. The red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the first pixel form a first group, and the red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the second pixel form a second group.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 18, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: EuiHyun Chung, Yongmin Jeong
  • Publication number: 20210111229
    Abstract: An organic light emitting display device includes a plurality of pixels including a first pixel and a second pixel. Each of the first pixel and the second pixel includes at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction, and the plurality of green sub pixels is disposed between the at least one red sub pixel and at least one blue sub pixel of each pixel. The red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the first pixel form a first group, and the red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the second pixel form a second group.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: EuiHyun CHUNG, Yongmin JEONG
  • Patent number: 10903281
    Abstract: Discussed are embodiments of an organic light emitting display device, which includes a plurality of pixels, each including at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and a second direction, wherein green sub pixels of the adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the plurality of green sub pixels is disposed between the at least one red sub pixel and the at least one blue sub pixel of each pixel, and wherein the plurality of green sub pixels is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 26, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: EuiHyun Chung, Yongmin Jeong
  • Publication number: 20200152712
    Abstract: Discussed are embodiments of an organic light emitting display device, which includes a plurality of pixels, each including at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and a second direction, wherein green sub pixels of the adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the plurality of green sub pixels is disposed between the at least one red sub pixel and the at least one blue sub pixel of each pixel, and wherein the plurality of green sub pixels is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.
    Type: Application
    Filed: January 16, 2020
    Publication date: May 14, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: EuiHyun CHUNG, Yongmin JEONG
  • Patent number: 10580833
    Abstract: An organic light emitting display device, includes a plurality of pixels, each of the plurality of pixels including at least one red sub pixel, at least one green sub pixel, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and are also aligned in a second direction, the second direction being a direction that intersects the first direction, wherein green pixels of adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the at least one green sub pixel of each pixel is disposed between the at least one red sub pixel and the at least one blue sub pixel of the each pixel, and wherein the at least one green sub pixel is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: March 3, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: EuiHyun Chung, Yongmin Jeong
  • Patent number: 10529289
    Abstract: An electroluminescent display is disclosed. Each of subpixels included in the electroluminescent display includes a first driver including a first driving element for driving a light emitting element during a first period, and a second driver including a second driving element for driving the light emitting element during a second period. The light emitting element includes an anode connected to the first and second drivers and a cathode supplied with a low potential power voltage. During the first period, a high potential power voltage higher than the low potential power voltage is supplied to the second driving element, and the low potential power voltage is supplied to the first driving element. During the second period, the high potential power voltage is supplied to the first driving element, and the low potential power voltage is supplied to the second driving element.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 7, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Euihyun Chung, Sunghun Kim
  • Publication number: 20190130846
    Abstract: An electroluminescent display is disclosed. Each of subpixels included in the electroluminescent display includes a first driver including a first driving element for driving a light emitting element during a first period, and a second driver including a second driving element for driving the light emitting element during a second period. The light emitting element includes an anode connected to the first and second drivers and a cathode supplied with a low potential power voltage. During the first period, a high potential power voltage higher than the low potential power voltage is supplied to the second driving element, and the low potential power voltage is supplied to the first driving element. During the second period, the high potential power voltage is supplied to the first driving element, and the low potential power voltage is supplied to the second driving element.
    Type: Application
    Filed: September 12, 2018
    Publication date: May 2, 2019
    Inventors: Euihyun CHUNG, Sunghun KIM
  • Patent number: 10276822
    Abstract: An organic light emitting display device includes a plurality of data lines, a plurality of scan lines disposed intersecting with the plurality of data lines, and a plurality of sub-pixels each connected to at least one of the plurality of data lines and at least one of the plurality of scan lines. The plurality of sub-pixels includes at least a red sub-pixel, a plurality of green sub-pixels, and a blue sub-pixel. In an embodiment, a green sub-pixel and a blue sub-pixel are connected to a data line and another green sub-pixel and a red sub-pixel are connected to an adjacent data line. Thus, the sub-pixels can be seen as being disposed irregularly, so that an artifact of a displayed image can be reduced.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 30, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: SungHun Kim, EuiHyun Chung, JungHyun Ham
  • Publication number: 20190058016
    Abstract: An organic light emitting display device, includes a plurality of pixels, each of the plurality of pixels including at least one red sub pixel, at least one green sub pixel, and at least one blue sub pixel, wherein red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and are also aligned in a second direction, the second direction being a direction that intersects the first direction, wherein green pixels of adjacent pixels are aligned in the first direction and are also aligned in the second direction, wherein the at least one green sub pixel of each pixel is disposed between the at least one red sub pixel and the at least one blue sub pixel of the each pixel, and wherein the at least one green sub pixel is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: EuiHyun CHUNG, Yongmin JEONG
  • Patent number: 10141380
    Abstract: Discussed is an organic light emitting display device including a plurality of pixels, where red sub pixels and blue sub pixels of adjacent pixels are aligned in a first direction and are also aligned in a second direction, the second direction being a direction that intersects the first direction. Also, the green pixels of adjacent pixels are aligned in the first direction and are also aligned in the second direction. And the at least one green sub pixel of each pixel is disposed between the at least one red sub pixel and the at least one blue sub pixel of the each pixel, and the at least one green sub pixel is offset from the at least one red sub pixel and the at least one blue sub pixel in the first direction and the second direction in the each pixel.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 27, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: EuiHyun Chung, Yongmin Jeong
  • Patent number: 10062317
    Abstract: A display device with a reduced bezel area is disclosed. In one embodiment, the display device includes a cut-out region on which an electronic component is to be placed, and a display panel for displaying an image. The cut-out region extends from a first side toward a second side of the display device. The display panel includes a first display area between a third side of the display device and the cut-out region, a second display area between a fourth side of the display device and the cut-out region, and a third display area between the third side and the fourth side of the display device, the third display area disposed below the first display area, the second display area, and the cut-out region toward the second side of the display device.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: August 28, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Wondoo Kim, Euihyun Chung, Hun Jang, Cheolhwan Lee
  • Patent number: 9922585
    Abstract: A display device includes a display panel with signal wire pads connected to data lines; an integrated circuit (IC) that feeds a data voltage to the data lines; a multiplexer disposed on a substrate of the display panel, between the data lines and the integrated circuit; a flexible circuit board bonded onto the substrate of the display panel and connected to the signal wire pads; and a test circuit on the substrate of the display panel.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: March 20, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Kakyung Kim, Euihyun Chung, Yeseul Han
  • Patent number: 9915847
    Abstract: A display device is provided. The display device can include a first pixel portion comprising a first thin-film transistor provided at the intersection between a first gate line and a first data line, and a first pixel electrode connected to the first thin-film transistor, and a second pixel portion comprising a second thin-film transistor provided at the intersection between a second gate line and the first data line, and a second pixel electrode connected to the second thin-film transistor, wherein the first pixel portion and the second pixel portion are arranged parallel to the first data line, and directions extended the first pixel electrode and the second pixel electrode are extended in such a direction as to face each other.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: March 13, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seongjun Cho, Euihyun Chung, Kangil Kim, Wondoo Kim
  • Publication number: 20180062107
    Abstract: An organic light emitting display device includes a plurality of data lines, a plurality of scan lines disposed intersecting with the plurality of data lines, and a plurality of sub-pixels each connected to at least one of the plurality of data lines and at least one of the plurality of scan lines. The plurality of sub-pixels includes at least a red sub-pixel, a plurality of green sub-pixels, and a blue sub-pixel. In an embodiment, a green sub-pixel and a blue sub-pixel are connected to a data line and another green sub-pixel and a red sub-pixel are connected to an adjacent data line. Thus, the sub-pixels can be seen as being disposed irregularly, so that an artifact of a displayed image can be reduced.
    Type: Application
    Filed: June 13, 2017
    Publication date: March 1, 2018
    Inventors: SungHun KIM, EuiHyun CHUNG, JungHyun HAM