Patents by Inventor Keum-Dong JUNG

Keum-Dong JUNG 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: 20190138123
    Abstract: A fingerprint sensor including first, second, and third lines, and a unit sensor coupled to the first, the second, and the third lines. The unit sensor includes a pixel electrode coupled between the first line and the second line, a first capacitance element coupled between the first line and the pixel electrode, a second capacitance element coupled between the second line and the pixel electrode, a switching element coupled between the pixel electrode and one of the first line, the second line, a first line of an adjacent unit sensor, and a second line of the adjacent unit sensor, and including a control electrode coupled to the third line, and a third capacitance element coupled between the third line and the pixel electrode, in which at least one of the first and the second capacitance elements includes a variable capacitance element.
    Type: Application
    Filed: June 11, 2018
    Publication date: May 9, 2019
    Inventors: Keum Dong JUNG, Ki Seo Kim, II Nam Kim, Kyung Tea Park, Yun Ho Kim, Jae Kyoung Kim, Won Sang Park, Jong In Baek
  • Publication number: 20190095669
    Abstract: A fingerprint sensing device includes: a fingerprint sensor including scan lines and initialization lines extending in a first direction and arranged in a second direction, sensing lines extending in the second direction and arranged in the first direction, and sensing pixels connected to the scan lines, the initialization lines, and the sensing lines and disposed in a matrix configuration; a scan driver configured to apply an enable-level initialization signal to a-numbered sensing pixel rows while applying a disable-level initialization signal to b-numbered sensing pixel rows, and applying an enable-level scan signal to one sensing pixel row in the b-numbered sensing pixel rows; and a sensing driver configured to receive a sensing signal from the sensing pixel row to which the scan signal is applied through the sensing lines, wherein the a and b are positive numbers that are greater than 2.
    Type: Application
    Filed: February 7, 2018
    Publication date: March 28, 2019
    Inventors: Keum Dong JUNG, Ki Seo KIM, Il Nam KIM, Jae-Kyoung KIM, Kyung Tea PARK, Jong In BAEK
  • Publication number: 20180246387
    Abstract: A liquid crystal display includes a display panel including first and second subpixels, where the first subpixel includes a first switching device including a first electrode connected to the j-th data line, a second electrode connected to a first subpixel electrode and a gate electrode connected to an i-th gate line, the second subpixel includes a second switching device including a first electrode connected to a j-th data line, a second electrode connected to a second subpixel electrode and a gate electrode connected to the i-th gate line, a third switching device including a first electrode connected to the second subpixel electrode and a gate electrode connected to the i-th gate line, and a fourth switching device including a first electrode connected to the j-th data line, a second electrode connected to the first electrode of the third switching device and a gate electrode connected to the i-th gate line.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 30, 2018
    Inventors: Keum Dong Jung, Seung Hwan Moon, Seong Young Lee
  • Patent number: 9983453
    Abstract: A liquid crystal display includes a display panel including first and second subpixels, where the first subpixel includes a first switching device including a first electrode connected to the j-th data line, a second electrode connected to a first subpixel electrode and a gate electrode connected to an i-th gate line, the second subpixel includes a second switching device including a first electrode connected to a j-th data line, a second electrode connected to a second subpixel electrode and a gate electrode connected to the i-th gate line, a third switching device including a first electrode connected to the second subpixel electrode and a gate electrode connected to the i-th gate line, and a fourth switching device including a first electrode connected to the j-th data line, a second electrode connected to the first electrode of the third switching device and a gate electrode connected to the i-th gate line.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keum Dong Jung, Seung Hwan Moon, Seong Young Lee
  • Patent number: 9891485
    Abstract: A liquid crystal display includes a first substrate, a second substrate disposed to face the first substrate and including a common electrode, and a liquid crystal layer interposed between the first and second substrates, where the first substrate includes an insulating substrate, a thin-film transistor which is disposed on the insulating substrate and include a gate electrode, a first pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor and charges a first voltage, a second pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor, is disposed in a same layer as the first pixel electrode, and receives a second voltage having a magnitude different from the first voltage, and a storage electrode disposed on the same layer as the gate electrode and to overlap a portion of the second pixel electrode.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: February 13, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventor: Keum Dong Jung
  • Publication number: 20170010508
    Abstract: A liquid crystal display includes a first substrate, a second substrate disposed to face the first substrate and including a common electrode, and a liquid crystal layer interposed between the first and second substrates, where the first substrate includes an insulating substrate, a thin-film transistor which is disposed on the insulating substrate and include a gate electrode, a first pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor and charges a first voltage, a second pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor, is disposed in a same layer as the first pixel electrode, and receives a second voltage having a magnitude different from the first voltage, and a storage electrode disposed on the same layer as the gate electrode and to overlap a portion of the second pixel electrode.
    Type: Application
    Filed: April 25, 2016
    Publication date: January 12, 2017
    Inventor: Keum Dong JUNG
  • Publication number: 20170003560
    Abstract: A liquid crystal display includes a display panel including first and second subpixels, where the first subpixel includes a first switching device including a first electrode connected to the j-th data line, a second electrode connected to a first subpixel electrode and a gate electrode connected to an i-th gate line, the second subpixel includes a second switching device including a first electrode connected to a j-th data line, a second electrode connected to a second subpixel electrode and a gate electrode connected to the i-th gate line, a third switching device including a first electrode connected to the second subpixel electrode and a gate electrode connected to the i-th gate line, and a fourth switching device including a first electrode connected to the j-th data line, a second electrode connected to the first electrode of the third switching device and a gate electrode connected to the i-th gate line.
    Type: Application
    Filed: January 13, 2016
    Publication date: January 5, 2017
    Inventors: Keum Dong JUNG, Seung Hwan MOON, Seong Young LEE
  • Patent number: 8778711
    Abstract: A display apparatus includes a display substrate and a counter substrate. The display substrate includes a first substrate and a plurality of pixel electrodes formed on the first substrate. The counter substrate includes a second substrate facing the first substrate, a common electrode formed on the second substrate, a first spacer formed on the common electrode and making contact with the display substrate, a second spacer having a first gap with the display substrate, a third spacer having a second gap larger than the first gap with the display substrate, and a fourth spacer having a third gap larger than the second gap with the display substrate.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: July 15, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Hyeon Baek, Keum-Dong Jung, Jong-Hwan Lee, Kyung-Wook Kim
  • Publication number: 20140127840
    Abstract: A display apparatus includes a display substrate and a counter substrate. The display substrate includes a first substrate and a plurality of pixel electrodes formed on the first substrate. The counter substrate includes a second substrate facing the first substrate, a common electrode formed on the second substrate, a first spacer formed on the common electrode and making contact with the display substrate, a second spacer having a first gap with the display substrate, a third spacer having a second gap larger than the first gap with the display substrate, and a fourth spacer having a third gap larger than the second gap with the display substrate.
    Type: Application
    Filed: January 13, 2014
    Publication date: May 8, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ju-Hyeon BAEK, Keum-Dong JUNG, Jong-Hwan LEE, Kyung-Wook KIM
  • Patent number: 8629447
    Abstract: A display apparatus includes a display substrate and a counter substrate. The display substrate includes a first substrate and a plurality of pixel electrodes formed on the first substrate. The counter substrate includes a second substrate facing the first substrate, a common electrode formed on the second substrate, a first spacer formed on the common electrode and making contact with the display substrate, a second spacer having a first gap with the display substrate, a third spacer having a second gap larger than the first gap with the display substrate, and a fourth spacer having a third gap larger than the second gap with the display substrate.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: January 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Hyeon Baek, Keum-Dong Jung, Jong-Hwan Lee, Kyung-Wook Kim
  • Publication number: 20110156039
    Abstract: A display apparatus includes a display substrate and a counter substrate. The display substrate includes a first substrate and a plurality of pixel electrodes formed on the first substrate. The counter substrate includes a second substrate facing the first substrate, a common electrode formed on the second substrate, a first spacer formed on the common electrode and making contact with the display substrate, a second spacer having a first gap with the display substrate, a third spacer having a second gap larger than the first gap with the display substrate, and a fourth spacer having a third gap larger than the second gap with the display substrate.
    Type: Application
    Filed: September 30, 2010
    Publication date: June 30, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju-Hyeon BAEK, Keum-Dong JUNG, Jong-Hwan LEE, Kyung-Wook KIM