Patents by Inventor Pil-Gyu Kang

Pil-Gyu Kang 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: 20230251527
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 10, 2023
    Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
  • Patent number: 11662627
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 30, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Publication number: 20200348569
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
  • Patent number: 10718977
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Patent number: 10409123
    Abstract: A liquid crystal display that improve display quality by reducing light leakage is presented. The display includes a first substrate; a plurality of pixels disposed on the first substrate; a plurality of signal lines disposed on the first substrate and disposed at an edge of the plurality of pixels; a second substrate facing the first substrate; and a light blocking member disposed on the second substrate, overlapping the plurality of signal lines, and overlapping the edge of the plurality of pixel areas, wherein a width of the light blocking member overlapping the edge of the plurality of pixels varies depending on the position of the plurality of pixels.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 10, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Ho Oh, Pil Gyu Kang, Wan Namgung, Hong Min Yoon, Seung-Kyu Lee, Ho Jun Lee
  • Patent number: 10175540
    Abstract: A display device may include a first pixel electrode, a second pixel electrode, an organic layer, and a light-blocking member. The organic layer may include a first organic portion and a second organic portion. The first organic portion may overlap the first pixel electrode and may be spaced from the second organic portion. The second organic portion may overlap the second pixel electrode. The light-blocking member may be positioned between the first organic portion and the second organic portion.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: January 8, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Joo Jeon, Hong Min Yoon, Hyoung Cheol Lee, Pil Gyu Kang, Sang Woo Whangbo
  • Patent number: 10074674
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a first electrode disposed on a first surface of the first substrate, the first surface facing the second substrate; a second electrode and a third electrode disposed along an edge of a second surface of the second substrate, the second surface facing the first surface of the first substrate; and a short electrode disposed between the first electrode and the second electrode and between the first electrode and the third electrode, the short electrode electrically connecting the first electrode, the second electrode, and the third electrode, wherein the second electrode and the third electrode are physically separated.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: September 11, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Chan Jeon, Pil Gyu Kang, Hyun-Woong Baek, Hyung Joo Jeon, Sol Ip Jeong, Jang-Bog Ju
  • Publication number: 20180108683
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a first electrode disposed on a first surface of the first substrate, the first surface facing the second substrate; a second electrode and a third electrode disposed along an edge of a second surface of the second substrate, the second surface facing the first surface of the first substrate; and a short electrode disposed between the first electrode and the second electrode and between the first electrode and the third electrode. the short electrode electrically connecting the first electrode, the second electrode, and the third electrode, wherein the second electrode and the third electrode are physically separated.
    Type: Application
    Filed: October 16, 2017
    Publication date: April 19, 2018
    Inventors: Yong Chan Jeon, Pil Gyu Kang, Hyun-Woong Baek, Hyung Joo Jeon, Sol Ip Jeong, Jang-Bog Ju
  • Patent number: 9664965
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display (LCD) device including: a first insulation substrate; gate and data lines positioned on the first insulation substrate and electrically insulated to cross each other; a thin film transistor coupled to the gate line and the data line; a first light blocking member positioned on the data line; a shielding electrode positioned on the first light blocking member; a pixel electrode coupled to the thin film transistor; a second insulation substrate positioned to face the first insulation substrate; a common electrode positioned on the second insulation substrate; and a liquid crystal layer disposed between the pixel electrode and the common electrode.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: May 30, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Kyu Lee, Pil Gyu Kang, Wan Namgung
  • Publication number: 20170108729
    Abstract: A display device may include a first pixel electrode, a second pixel electrode, an organic layer, and a light-blocking member. The organic layer may include a first organic portion and a second organic portion. The first organic portion may overlap the first pixel electrode and may be spaced from the second organic portion. The second organic portion may overlap the second pixel electrode. The light-blocking member may be positioned between the first organic portion and the second organic portion.
    Type: Application
    Filed: August 18, 2016
    Publication date: April 20, 2017
    Inventors: Hyung Joo JEON, Hong Min YOON, Hyoung Cheol LEE, Pil Gyu KANG, Sang Woo WHANGBO
  • Patent number: 9508299
    Abstract: A method of driving a display panel includes providing a boosting voltage line on the display panel with a boosting voltage, compensating the boosting voltage based on a feedback boosting voltage received from the display panel, and providing the boosting voltage line on the display panel with the compensated boosting voltage. The display panel includes a first sub pixel. The first sub pixel includes a first switching element and a first boosting switching element, the first switching element is connected to a first liquid crystal (LC) capacitor, a gate line, an m-th data line and a first electrode of the first LC capacitor, and the first boosting switching element is connected to the boosted voltage line, and ‘m’ is a natural number.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: November 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Kyu Lee, Youn-Hak Jeong, Jang-Bog Ju, Pil-Gyu Kang, Se-Jin Kim
  • Publication number: 20160274420
    Abstract: A liquid crystal display that improve display quality by reducing light leakage is presented. The display includes a first substrate; a plurality of pixels disposed on the first substrate; a plurality of signal lines disposed on the first substrate and disposed at an edge of the plurality of pixels; a second substrate facing the first substrate; and a light blocking member disposed on the second substrate, overlapping the plurality of signal lines, and overlapping the edge of the plurality of pixel areas, wherein a width of the light blocking member overlapping the edge of the plurality of pixels varies depending on the position of the plurality of pixels.
    Type: Application
    Filed: March 3, 2016
    Publication date: September 22, 2016
    Inventors: Jin-Ho OH, Pil Gyu KANG, Wan NAMGUNG, Hong Min YOON, Seung-Kyu LEE, Ho Jun LEE
  • Publication number: 20160202565
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Application
    Filed: July 31, 2015
    Publication date: July 14, 2016
    Inventors: Youn Hak JEONG, Wan NAMGUNG, Hong Min YOON, Ho Jun LEE, Pil Gyu KANG, Seung Kyu LEE, Yun Seok LEE
  • Publication number: 20160033810
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display (LCD) device including: a first insulation substrate; gate and data lines positioned on the first insulation substrate and electrically insulated to cross each other; a thin film transistor coupled to the gate line and the data line; a first light blocking member positioned on the data line; a shielding electrode positioned on the first light blocking member; a pixel electrode coupled to the thin film transistor; a second insulation substrate positioned to face the first insulation substrate; a common electrode positioned on the second insulation substrate; and a liquid crystal layer disposed between the pixel electrode and the common electrode.
    Type: Application
    Filed: December 5, 2014
    Publication date: February 4, 2016
    Inventors: Seung-Kyu LEE, Pil Gyu KANG, Wan NAMGUNG
  • Publication number: 20150228238
    Abstract: A method of driving a display panel includes providing a boosting voltage line on the display panel with a boosting voltage, compensating the boosting voltage based on a feedback boosting voltage received from the display panel, and providing the boosting voltage line on the display panel with the compensated boosting voltage. The display panel includes a first sub pixel. The first sub pixel includes a first switching element and a first boosting switching element, the first switching element is connected to a first liquid crystal (LC) capacitor, a gate line, an m-th data line and a first electrode of the first LC capacitor, and the first boosting switching element is connected to the boosted voltage line, and ‘m’ is a natural number.
    Type: Application
    Filed: July 10, 2014
    Publication date: August 13, 2015
    Inventors: Seung-Kyu Lee, Youn-Hak Jeong, Jang-Bog Ju, Pil-Gyu Kang, Se-Jin Kim