Patents by Inventor Soonjae Hwang

Soonjae Hwang 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: 11069288
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: SoonJae Hwang, DaeWoong Chun, Sangyoul Lee, Chulwoo Lee
  • Patent number: 10236332
    Abstract: The present disclosure relates to an organic light emitting diode display having high luminescence. The present disclosure suggests an organic light emitting diode display comprising: a data line, a scan line and a driving current line defining a pixel area on a substrate; an anode electrode formed within the pixel area; an additional capacitance formed by overlapping expanded portions of the anode electrode with some portions of the driving current line; a bank defining a light emitting area in the anode electrode; an organic emission layer formed on the anode electrode; and a cathode electrode formed on the organic emission layer. The present disclosure suggests high luminescence organic light emitting diode display by including an additional capacitance for increasing the anode capacitance.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: March 19, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Kimoon Jung, Soonjae Hwang, Jongsik Shim
  • Patent number: 10163985
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: December 25, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soonjae Hwang, Homin Lim, Hanareum Jung, Thomas Lloyd Credelle
  • Publication number: 20180090069
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Inventors: SoonJae HWANG, DaeWoong CHUN, Sangyoul LEE, Chulwoo LEE
  • Patent number: 9741747
    Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gate
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 22, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SoonJae Hwang, DuHwan Oh, HwaDong Han
  • Publication number: 20170141129
    Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gate
    Type: Application
    Filed: January 26, 2017
    Publication date: May 18, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: SoonJae HWANG, DuHwan OH, HwaDong HAN
  • Publication number: 20170077191
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Soonjae HWANG, Homin LIM, Hanareum JUNG, Thomas Lloyd CREDELLE
  • Patent number: 9589992
    Abstract: The present invention relates to a display panel including a static electricity preventing pattern and a display device having the same. An aspect of the present invention provides a display device or a display panel in which a dummy pattern having a pattern identical to or similar to a line of a signal area is positioned between the signal area and a non-signal area, in a pad including the signal area and the non-signal area.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: March 7, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: SoonJae Hwang, DuHwan Oh, HwaDong Han
  • Patent number: 9583034
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: February 28, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Soonjae Hwang, Homin Lim, Hanareum Jung, Thomas Lloyd Credelle
  • Patent number: 9504153
    Abstract: A display device includes a plurality of signal lines arranged in a display area of a substrate and a pad structure located at a non-active area and connected with the signal lines. The pad structure includes a plurality of metal layers and two or more insulating layers located between the metal layers and having one or more contact hole which makes two metal layers among the metal layers contacted with each other, and the contact holes respectively located in the insulating layers are not overlapped with each other.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: November 22, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SoonJae Hwang, Ilgi Jeong
  • Publication number: 20160190119
    Abstract: The present invention relates to a display panel including a static electricity preventing pattern and a display device having the same. An aspect of the present invention provides a display device or a display panel in which a dummy pattern having a pattern identical to or similar to a line of a signal area is positioned between the signal area and a non-signal area, in a pad including the signal area and the non-signal area.
    Type: Application
    Filed: November 13, 2015
    Publication date: June 30, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: SoonJae HWANG, DuHwan OH, HwaDong HAN
  • Publication number: 20160100483
    Abstract: A display device includes a plurality of signal lines arranged in a display area of a substrate and a pad structure located at a non-active area and connected with the signal lines. The pad structure includes a plurality of metal layers and two or more insulating layers located between the metal layers and having one or more contact hole which makes two metal layers among the metal layers contacted with each other, and the contact holes respectively located in the insulating layers are not overlapped with each other.
    Type: Application
    Filed: September 29, 2015
    Publication date: April 7, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: SoonJae HWANG, Ilgi JEONG
  • Patent number: 9110564
    Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a display unit configured to display at least a 2D (two-dimensional) object and a 3D (three-dimensional) object; and a controller configured to control the display unit to display the 2D object and the 3D object in an overlapping manner, and to change a display characteristic of at least one of the overlapping 2D object and the 3D object.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: August 18, 2015
    Assignee: LG Electronics Inc.
    Inventors: Soonjae Hwang, Yookyung Lim, Jungmin Lee, Younghoon Song, Juha Hyun
  • Patent number: 9093537
    Abstract: A display device and method for manufacturing the same are discussed. The display device according to an embodiment includes a substrate, a gate metal line disposed on the substrate, a gate insulating film configured to insulate the gate metal line, a data metal line disposed on the gate insulating film, and a protection film disposed at an area where the gate metal line and the data metal line overlap each other between the gate metal line and the data metal line.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: July 28, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dongho Lee, Soonjae Hwang
  • Patent number: 9041625
    Abstract: A subpixel arrangement structure for a display device, including a plurality unit pixels each having a red subpixel, a green subpixel and a blue subpixel, wherein openings of the red and green subpixels of each unit pixel are aligned along a direction of a column axis, and wherein an opening of the blue subpixel of each unit pixel is aligned along a direction of a row axis that is perpendicular to the column axis or arranged in zigzags along the direction of the row axis.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: May 26, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soonjae Hwang, Jongsik Shim, Homin Lim, Minkyu Chang, Kyoungsik Choi, Thomas Lloyd Credelle
  • Patent number: 8754913
    Abstract: A subpixel arrangement structure for a display device, including a plurality of unit pixels each having a red subpixel, a green subpixel and a blue subpixel which form a delta arrangement structure, wherein openings of the red and green subpixels of each unit pixel are substantially aligned along a direction of a column axis, wherein an opening of the blue subpixel of each until pixel are substantially aligned along the direction of the column axis or a direction of a row axis that is perpendicular to the column axis, and wherein two of the plurality of unit pixels of each pixel group, that are positioned adjacent to each other in the direction of the column axis or the direction of the row axis, share one blue subpixel with each other.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: June 17, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Soonjae Hwang, Jongsik Shim, Homin Lim, Minkyu Chang, Kyoungsik Choi, Thomas Lloyd Credelle
  • Publication number: 20140159019
    Abstract: The present disclosure relates to an organic light emitting diode display having high luminescence. The present disclosure suggests an organic light emitting diode display comprising: a data line, a scan line and a driving current line defining a pixel area on a substrate; an anode electrode formed within the pixel area; an additional capacitance formed by overlapping expanded portions of the anode electrode with some portions of the driving current line; a bank defining a light emitting area in the anode electrode; an organic emission layer formed on the anode electrode; and a cathode electrode formed on the organic emission layer. The present disclosure suggests high luminescence organic light emitting diode display by including an additional capacitance for increasing the anode capacitance.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: LG Display Co., Ltd.
    Inventors: Kimoon JUNG, Soonjae HWANG, Jongsik SHIM
  • Publication number: 20120113095
    Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal; a display unit configured to display at least a 2D (two-dimensional) object and a 3D (three-dimensional) object; and a controller configured to control the display unit to display the 2D object and the 3D object in an overlapping manner, and to change a display characteristic of at least one of the overlapping 2D object and the 3D object.
    Type: Application
    Filed: April 11, 2011
    Publication date: May 10, 2012
    Inventors: Soonjae HWANG, Yookyung Lim, Jungmin Lee, Younghoon Song, Juha Hyun
  • Publication number: 20120092238
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Application
    Filed: July 27, 2011
    Publication date: April 19, 2012
    Inventors: Soonjae HWANG, Homin Lim, Hanareum Jung, Thomas Lloyd Credelle
  • Patent number: 8159421
    Abstract: An organic light emitting diode (OLED) display including a plurality of data lines to which a data voltage is supplied, a plurality of pairs of gate lines each comprising a first gate lines to which a first scan pulse is supplied and a second gate lines to which a second scan pulse partially overlapping the first scan pulse in an opposed phase is supplied, an OLED that emits light by current that flows between the high potential driving voltage source and the low potential driving voltage source, a driving device for controlling the current that flows through the OLED in accordance with a gate-source voltage applied between a gate electrode connected to a first node and a source electrode connected to the low potential driving voltage source, a storage capacitor connected between the first node and the second node, and a switch circuit.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: April 17, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Soonjae Hwang, Sangkeun Lee, Woojin Nam