Patents by Inventor Yong-Koo Her

Yong-Koo Her 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: 9784892
    Abstract: A display device includes a first substrate having a display region and a peripheral region, a display structure in the display region, a second substrate parallel to the first substrate, the second substrate including a light scattering structure in the display region, the light scattering structure being configured to scatter light generated in the display structure, and a shielding member adjacent to the light scattering structure.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Yong-Koo Her
  • Patent number: 9746727
    Abstract: A display apparatus includes a first substrate, a second substrate, and a driver chip. The first substrate includes a plurality of gate lines disposed in the display area and extended in a first direction, a plurality of data lines disposed on a gate insulating layer insulating the gate lines and extended in a second direction substantially perpendicular to the first direction, and a gate driving circuit section disposed in the first peripheral area adjacent to first ends of the gate lines. The second substrate is opposite to the first substrate. A liquid crystal is interposed between the first and second substrates. The driver chip is disposed in the second peripheral area adjacent to second ends of the gate lines opposite to the first ends so that the width of the upper and lower portions of the display area may be decreased.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Koo Her, Jin Jeon, Kee-Han Uh, Yong-Je Jeon, Yong-Han Park
  • Publication number: 20170236481
    Abstract: A display apparatus includes a first substrate, a second substrate, and a driver chip. The first substrate includes a plurality of gate lines disposed in the display area and extended in a first direction, a plurality of data lines disposed on a gate insulating layer insulating the gate lines and extended in a second direction substantially perpendicular to the first direction, and a gate driving circuit section disposed in the first peripheral area adjacent to first ends of the gate lines. The second substrate is opposite to the first substrate. A liquid crystal is interposed between the first and second substrates. The driver chip is disposed in the second peripheral area adjacent to second ends of the gate lines opposite to the first ends so that the width of the upper and lower portions of the display area may be decreased.
    Type: Application
    Filed: April 25, 2017
    Publication date: August 17, 2017
    Inventors: Yong-Koo HER, Jin JEON, Kee-Han UH, Yong-Je JEON, Yong-Han PARK
  • Patent number: 9716115
    Abstract: A flexible display and method of manufacturing the same are disclosed. In one aspect, the display includes a flexible substrate including first concave bent portion and a pad formed over the first concave bent portion of the flexible substrate and including a second concave bent portion overlapping the first concave bent portion. The display further includes a connection pin electrically connected to the second concave bent portion. The connection pin has a central portion and a boundary portion surrounding the central portion. The height of the central portion is greater than that of the boundary portion.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: July 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Koo Her
  • Patent number: 9704917
    Abstract: A display panel including: a cathode electrode formed in a cathode region of the display panel, the cathode electrode entirely covering an active region of the display panel a plurality of pixel units in columns and rows in the active region of the display panel; a ring-shaped edge negative voltage line formed in a ring-shaped edge portion of the cathode electrode configured to supply a negative power supply voltage to the cathode electrode; and a plurality of compensation negative voltage lines connected to the ring-shaped edge negative voltage line, the compensation negative voltage lines extending along a column direction of the display panel and arranged along a row direction of the display panel.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Koo Her, Mu-Kyung Jeon, Hee-Rim Song
  • Patent number: 9696835
    Abstract: An organic light emitting display device includes an organic light emitting display panel and touch electrodes directly disposed on the organic light emitting display panel. The organic light emitting display panel includes an organic light emitting device disposed in a light emitting area and a first light blocking layer disposed in a non-light emitting area. The touch electrodes are disposed on a sealing layer that covers the organic light emitting device. The touch electrodes are disposed to overlap with the non-light emitting area. At least one of the touch electrodes includes a conductive light blocking material.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Koo Her
  • Publication number: 20160372024
    Abstract: A scan driver includes a plurality of decoder type stages respectively outputting a plurality scan signals. An n-th stage includes a first input block configured to provide a first DC voltage to a first node in response to a plurality of selection signals, a pull-down block configured to pull down a first node voltage, a second input block configured to reduce a voltage drop of a second node voltage when a scan signal is output, and to provide a second DC voltage to a second node in response to the selection signals, a buffer block configured to output the first node voltage, that is a buffer output voltage, in response to the first node voltage and the second node voltage, and an output block configured to output the scan signal.
    Type: Application
    Filed: January 11, 2016
    Publication date: December 22, 2016
    Inventors: Jae-Keun Lim, Ji-Hye Lee, Yong-Koo Her
  • Publication number: 20160322443
    Abstract: An OLED display is disclosed. A plurality of signal lines are formed over a substrate, and a plurality of pixels are formed over the substrate in a matrix form and electrically connected to corresponding signal lines. The signal lines include a plurality of scan lines configured to transmit a scan signal, a plurality of initialization lines configured to transmit an initialization signal, and a plurality of data lines configured to transmit a data signal. An n-th row pixel includes a switching thin film transistor (TFT) electrically connected to an n-th row scan line and a corresponding data line among the data lines. A driving TFT is electrically connected to a drain of the switching TFT, an OLED is electrically connected to a drain of the driving TFT, and an initialization TFT is configured to be turned on based on an initialization signal transmitted via an n-th row initialization line.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 3, 2016
    Inventors: Yong-Koo Her, Chong Chui Chai, Ji Hye Lee
  • Publication number: 20160293663
    Abstract: A display panel including: a cathode electrode formed in a cathode region of the display panel, the cathode electrode entirely covering an active region of the display panel a plurality of pixel units in columns and rows in the active region of the display panel; a ring-shaped edge negative voltage line formed in a ring-shaped edge portion of the cathode electrode configured to supply a negative power supply voltage to the cathode electrode; and a plurality of compensation negative voltage lines connected to the ring-shaped edge negative voltage line, the compensation negative voltage lines extending along a column direction of the display panel and arranged along a row direction of the display panel.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 6, 2016
    Inventors: Yong-Koo Her, Mu-Kyung Jeon, Hee-Rim Song
  • Publication number: 20160284272
    Abstract: A display device includes a display panel, a light emission control driver, and a brightness compensator. The display panel includes first pixels in a first display area and second pixels in a second display area. The light emission control driver controls light emission times of the first and second pixels. The brightness compensator detects a degree of deterioration of the first pixels and a degree of deterioration of the second pixels. The degrees of deterioration of the first and second pixels are different. The brightness compensator controls the light emission control driver to set the light emission times of the first pixels differently from the light emission times of the second pixels based on the different degrees of deterioration of the first and second pixels.
    Type: Application
    Filed: December 10, 2015
    Publication date: September 29, 2016
    Inventors: Yong-koo HER, Mukyung JEON, Jihye LEE
  • Patent number: 9437168
    Abstract: A gate driving circuit and display device including the same are disclosed. In one aspect, the gate driving circuit includes a plurality of stages, each stage including a first input portion configured to apply an input signal to a first node based on a first clock signal, a first output portion configured to output a second clock signal as a gate output signal based on a first node signal applied to the first node, a second input portion configured to apply the first clock signal to a second node based on the first node signal, a second output portion configured to output a first voltage as the gate output signal based on a second node signal applied to the second node, and an output control portion configured to activate the first output portion based on an output control signal.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: September 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Koo Her
  • Publication number: 20160217744
    Abstract: An organic light emitting display device includes a plurality of pixel columns, a first data wiring, a second data wiring, and a power supply wiring. The pixel columns include pixels repeatedly arranged in a first direction, and the pixel columns are repeatedly arranged in a second direction. The first and second directions are substantially perpendicular to each other. The first data wiring extends in the first direction and is connected to the pixels in an even row. The second data wiring extends in the first direction and are connected to the pixels in an odd row. The power supply wiring extends in the first direction between the first and second data wirings.
    Type: Application
    Filed: July 1, 2015
    Publication date: July 28, 2016
    Inventors: Hee-Rim SONG, Yong-Koo HER, Mu-Kyung JEON, Jong-Hee KIM, Chong-Chul CHAI
  • Publication number: 20160211279
    Abstract: A flexible display and method of manufacturing the same are disclosed. In one aspect, the display includes a flexible substrate including first concave bent portion and a pad formed over the first concave bent portion of the flexible substrate and including a second concave bent portion overlapping the first concave bent portion. The display further includes a connection pin electrically connected to the second concave bent portion. The connection pin has a central portion and a boundary portion surrounding the central portion. The height of the central portion is greater than that of the boundary portion.
    Type: Application
    Filed: July 21, 2015
    Publication date: July 21, 2016
    Inventor: YONG-KOO HER
  • Patent number: 9373662
    Abstract: A display panel including: a cathode electrode formed in a cathode region of the display panel, the cathode electrode entirely covering an active region of the display panel a plurality of pixel units in columns and rows in the active region of the display panel; a ring-shaped edge negative voltage line formed in a ring-shaped edge portion of the cathode electrode configured to supply a negative power supply voltage to the cathode electrode; and a plurality of compensation negative voltage lines connected to the ring-shaped edge negative voltage line, the compensation negative voltage lines extending along a column direction of the display panel and arranged along a row direction of the display panel.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: June 21, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Koo Her, Mu-Kyung Jeon, Hee-Rim Song
  • Publication number: 20160126287
    Abstract: A display panel including: a cathode electrode formed in a cathode region of the display panel, the cathode electrode entirely covering an active region of the display panel a plurality of pixel units in columns and rows in the active region of the display panel; a ring-shaped edge negative voltage line formed in a ring-shaped edge portion of the cathode electrode configured to supply a negative power supply voltage to the cathode electrode; and a plurality of compensation negative voltage lines connected to the ring-shaped edge negative voltage line, the compensation negative voltage lines extending along a column direction of the display panel and arranged along a row direction of the display panel.
    Type: Application
    Filed: April 9, 2015
    Publication date: May 5, 2016
    Inventors: Yong-Koo Her, Mu-Kyung Jeon, Hee-Rim Song
  • Patent number: 9281320
    Abstract: An array substrate includes a substrate, a switching element, a pixel electrode, and a common electrode. The substrate includes a plurality of gate lines, data lines insulated from the gate lines, and the data lines extend in a direction crossing the gate lines. The switching element is connected to the gate lines and data lines. The pixel electrode is arranged in a pixel area which is defined on the substrate, and is connected to an output electrode of the switching element. The common electrode corresponds to the pixel area and is insulated from the pixel electrode, and the common electrode has at least one first slit corresponding to the data line.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: March 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon-Sik Ham, Yeon-Mun Jeon, Yong-Koo Her
  • Publication number: 20150348508
    Abstract: A gate driving circuit and display device including the same are disclosed. In one aspect, the gate driving circuit includes a plurality of stages, each stage including a first input portion configured to apply an input signal to a first node based on a first clock signal, a first output portion configured to output a second clock signal as a gate output signal based on a first node signal applied to the first node, a second input portion configured to apply the first clock signal to a second node based on the first node signal, a second output portion configured to output a first voltage as the gate output signal based on a second node signal applied to the second node, and an output control portion configured to activate the first output portion based on an output control signal.
    Type: Application
    Filed: November 6, 2014
    Publication date: December 3, 2015
    Inventor: Yong-Koo Her
  • Publication number: 20150255523
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a plurality of pixels, each including a driving thin film transistor (TFT) formed over a substrate and including a driving gate electrode, a first storage capacitor comprising a first electrode and a second electrode, and a second storage capacitor comprising a third electrode and a fourth electrode. The first electrode is electrically connected to the driving gate electrode and the second electrode is formed over the first electrode and electrically insulated from the first electrode. The third electrode is electrically connected to the first electrode, is formed on a different layer from each of the first and second electrodes, and does not overlap the second electrode. The fourth electrode is formed over the third electrode and electrically insulated from the third electrode.
    Type: Application
    Filed: August 21, 2014
    Publication date: September 10, 2015
    Inventor: Yong-Koo HER
  • Publication number: 20150131155
    Abstract: A display device includes a first substrate having a display region and a peripheral region, a display structure in the display region, a second substrate parallel to the first substrate, the second substrate including a light scattering structure in the display region, the light scattering structure being configured to scatter light generated in the display structure, and a shielding member adjacent to the light scattering structure.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 14, 2015
    Inventor: Yong-Koo HER
  • Publication number: 20150049030
    Abstract: An organic light emitting display device includes an organic light emitting display panel and touch electrodes directly disposed on the organic light emitting display panel. The organic light emitting display panel includes an organic light emitting device disposed in a light emitting area and a first light blocking layer disposed in a non-light emitting area. The touch electrodes are disposed on a sealing layer that covers the organic light emitting device. The touch electrodes are disposed to overlap with the non-light emitting area. At least one of the touch electrodes includes a conductive light blocking material.
    Type: Application
    Filed: February 25, 2014
    Publication date: February 19, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventor: Yong-Koo HER