Patents by Inventor Woo Seock Lee

Woo Seock Lee 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: 10539820
    Abstract: A touch-panel liquid-crystal display device in one embodiment includes a metal line formed on a thin-film transistor array substrate, a gap column spacer and a push column spacer on a portion of a color filter array substrate that corresponds to an intersection of gate and data lines of the thin-film transistor array substrate, and a liquid-crystal layer between the thin-film transistor array substrate and the color filter array substrate. The gap column spacer and the push column spacer have the same height and the gap column spacer is located on the metal line, which facilitates an exposure process, minimizes generation of foreign substances when printing an alignment layer, and enables adjustment of the optimum amount of liquid crystals when liquid-crystal dotting is performed. The push column spacer is located on the metal line when the device can be pushed or bent by external force, and thus increases panel rigidity.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 21, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: In-Duk Song, Chi-Hyuck Park, Jin-Woo Choi, Sung-Ho Kim, Woo-Seock Lee, Haruhisa Iida
  • Publication number: 20180095317
    Abstract: A touch-panel liquid-crystal display device in one embodiment includes a metal line formed on a thin-film transistor array substrate, a gap column spacer and a push column spacer on a portion of a color filter array substrate that corresponds to an intersection of gate and data lines of the thin-film transistor array substrate, and a liquid-crystal layer between the thin-film transistor array substrate and the color filter array substrate. The gap column spacer and the push column spacer have the same height and the gap column spacer is located on the metal line, which facilitates an exposure process, minimizes generation of foreign substances when printing an alignment layer, and enables adjustment of the optimum amount of liquid crystals when liquid-crystal dotting is performed. The push column spacer is located on the metal line when the device can be pushed or bent by external force, and thus increases panel rigidity.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 5, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In-Duk SONG, Chi-Hyuck PARK, Jin-Woo CHOI, Sung-Ho KIM, Woo-Seock LEE, Haruhisa IIDA
  • Patent number: 9865210
    Abstract: A display device according to an embodiment includes switches. Low and high voltages of a selection control signal applied to each of gate electrodes of the switches are varied according to whether one of positive and negative data voltages is applied to each of the source electrodes of the switches. As such, the swing width of the selection control signal can be maintained regardless of the positive and negative data voltages. In accordance therewith, undesired power consumption can be prevented.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 9, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo Seock Lee, Ho Seop Shin, Hak Su Kim, Joon Shik Yoon, Se Don Kim
  • Publication number: 20160180791
    Abstract: A display device according to an embodiment includes switches. Low and high voltages of a selection control signal applied to each of gate electrodes of the switches are varied according to whether one of positive and negative data voltages is applied to each of the source electrodes of the switches. As such, the swing width of the selection control signal can be maintained regardless of the positive and negative data voltages. In accordance therewith, undesired power consumption can be prevented.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 23, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Woo Seock LEE, Ho Seop SHIN, Hak Su KIM, Joon Shik YOON, Se Don KIM
  • Patent number: 7619701
    Abstract: Provided are a display device and a manufacturing method thereof. The display device includes a first display unit, a first interface unit, a second display unit, and a main board. The first display unit displays an image and is connected to a first interface unit. The second display unit displays an image and includes a second connecting unit formed thereon. The main board includes a third connecting unit connected to the second connecting unit, and a fourth connecting unit connected to the first interface unit.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: November 17, 2009
    Assignee: LG Innotek Co., Ltd.
    Inventors: Seung Man Jeong, Woo Seock Lee, Tae Hoon Ku
  • Publication number: 20080192415
    Abstract: Provided are a display device and a manufacturing method thereof. The display device includes a first display unit, a first interface unit, a second display unit, and a main board. The first display unit displays an image and is connected to a first interface unit. The second display unit displays an image and includes a second connecting unit formed thereon. The main board includes a third connecting unit connected to the second connecting unit, and a fourth connecting unit connected to the first interface unit.
    Type: Application
    Filed: August 11, 2006
    Publication date: August 14, 2008
    Inventors: Seung Man Jeong, Woo Seock Lee, Tae Hoon Ku