Patents by Inventor Dong-Hyeon Ki

Dong-Hyeon Ki 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: 20170249895
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Application
    Filed: May 11, 2017
    Publication date: August 31, 2017
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Patent number: 9653016
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: May 16, 2017
    Assignee: SAMSUNG DISPLAY CO. LTD
    Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
  • Publication number: 20170115518
    Abstract: Disclosed herein are an array substrate and a display device including the same. The array substrate includes a base substrate comprising a display area and a peripheral area; a thin-film transistor disposed in the display area of the base substrate; an insulation layer disposed in the display area of the base substrate, the insulation layer comprising a first portion covering the thin-film transistor and a second portion located on the first portion; and a first protruding pattern disposed in the peripheral area of the base substrate, wherein the first portion, the second portion and the first protruding pattern comprise the same material.
    Type: Application
    Filed: June 27, 2016
    Publication date: April 27, 2017
    Inventors: Dong Hee SHIN, Jae Jin SONG, Dong Hyeon KI
  • Publication number: 20170102578
    Abstract: A liquid crystal display device includes: a first substrate; a second substrate disposed opposite to the first substrate, where a display area and a non-display area are defined in each of the first and second substrates; a liquid crystal layer disposed between the first substrate and the second substrate; a common voltage line disposed in the non-display area of the first substrate; a light-shielding pattern disposed on the common voltage line and including an open portion, which at least partially exposes the common voltage line; and a dummy color layer disposed below the common voltage line and at least partially overlapping the open portion. The light-shielding pattern includes a first stepped portion disposed on a side of the open portion and a second stepped portion disposed on another side of the open portion, and the dummy color layer overlaps at least one of the first and second stepped portions.
    Type: Application
    Filed: May 4, 2016
    Publication date: April 13, 2017
    Inventors: Dong Hee SHIN, Dong Hyeon KI, Bo Yeong KIM, Byoung Sun NA
  • Publication number: 20170053949
    Abstract: A display device is provided. A display device comprising: a first substrate comprising a display area and a non-display area and placed to face each other; a light-blocking pattern comprising an opening part formed on the first substrate in the non-display area; and a dummy color layer disposed under the opening part on the first substrate at a location corresponding to the opening part, wherein the opening part and the dummy color layer extend in a direction.
    Type: Application
    Filed: March 8, 2016
    Publication date: February 23, 2017
    Inventors: Dong Hee SHIN, Dong Hyeon KI, Kyung Ho KIM, Bo Yeong KIM
  • Patent number: 9557839
    Abstract: The embodiments of the present invention relate to a display device and a driving method thereof, wherein the display device according to an exemplary embodiment of the present invention includes a plurality of pixels a voltage transmitting line transmitting a first voltage to a first pixel among the plurality of pixels, a data line transmitting a data voltage to the first pixel, and a plurality of sensing units including a first sensing unit connected to the voltage transmitting line, wherein the first pixel includes a first switching element including an input terminal connected to the voltage transmitting line and a second switching element including an input terminal connected to the data line, and the first sensing unit includes a control switching element including an input terminal connected to the voltage transmitting line.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Dong-Hyeon Ki, Dong Gyu Kim
  • Publication number: 20160225308
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Application
    Filed: April 11, 2016
    Publication date: August 4, 2016
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Patent number: 9360699
    Abstract: A display substrate is disclosed. In one aspect, the substrate includes a first substrate which includes a first display region, a first peripheral region and a first seal-line region and a second substrate facing the first substrate and including a second display region, a second peripheral region and a second seal-line region. The substrate also includes a sealing member formed on the first seal-line region and the second seal-line region to affix the first and second substrates and a color filter formed in the first display region. The substrate further includes a first dam formed using the same material as the color filter, formed in the first peripheral region, adjacent to the first seal-line region in the first peripheral region and a second dam formed using the same material as the color filter and formed adjacent to the first display region in the first peripheral region.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Park, Dong-Hyeon Ki, Seon-Kyoon Mok, Hyung-Jin Song, Kye-Uk Lee
  • Patent number: 9343028
    Abstract: A method of driving a gate line includes: charging one of a scan start signal and a carry signal provided from a previous stage to a first node of a present stage; outputting a gate signal through a gate node of the present stage by pulling up a high level of a first clock signal at the first node to boost up a voltage potential of the first node; discharging the voltage potential of the first node and a voltage potential of the gate node to hold the first node and the gate node at a first power voltage as the first clock signal is shifted to a low level; and receiving a voltage potential signal of a second node of the previous stage, the second node holding a gate signal outputted from the previous stage, to reduce a ripple generated at the first node.
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Hyeon Ki, Ho-Kyoon Kwon, Ju-Hee Lee, Byoung-Sun Na
  • Patent number: 9311842
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Soo Baek, Se Hyoung Cho, Dong-Gyu Kim, Dong-Hyeon Ki
  • Publication number: 20140347612
    Abstract: A display substrate is disclosed. In one aspect, the substrate includes a first substrate which includes a first display region, a first peripheral region and a first seal-line region and a second substrate facing the first substrate and including a second display region, a second peripheral region and a second seal-line region. The substrate also includes a sealing member formed on the first seal-line region and the second seal-line region to affix the first and second substrates and a color filter formed in the first display region. The substrate further includes a first dam formed using the same material as the color filter, formed in the first peripheral region, adjacent to the first seal-line region in the first peripheral region and a second dam formed using the same material as the color filter and formed adjacent to the first display region in the first peripheral region.
    Type: Application
    Filed: January 16, 2014
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Park, Dong-Hyeon Ki, Seon-Kyoon Mok, Hyung-Jin Song, Kye-Uk Lee
  • Patent number: 8836903
    Abstract: A liquid crystal display includes first and second substrates, and a liquid crystal layer disposed therebetween. First and second gate lines are disposed on the first substrate. First and second data lines, and a power line are disposed on the first substrate. A first switching element is connected to the first gate line and the first data line, a second switching element is connected to the first gate line and the power line, a third switching element is connected to the second gate line and the second data line, a first pixel electrode is connected to the first switching element, a second pixel electrode is connected to the second switching element, a third pixel electrode is connected to the second switching element, and a fourth pixel electrode is connected to the third switching element, and a gate-on voltage can be simultaneously applied to the first and second gate lines.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Hyoung Cho, Dong-Gyu Kim, Mee-Hye Jung, Dong-Hyeon Ki, Seung-Soo Baek, Hye-Seok Na
  • Patent number: 8823892
    Abstract: A liquid crystal display device includes a substrate, a gate line, first and second data lines, a first power line, first, second, third and fourth switching elements, and first, second, third and fourth pixel electrodes. The first switching element is connected to the gate line and the first data line. The second switching element is connected to the gate line and the first power line. The third switching element is connected to the gate line and the second data line. The fourth switching element is connected to the gate line and the first power line. The first to fourth pixel electrodes are connected to the first to fourth switching elements, respectively. Thus, a light leakage may be prevented and an aperture ratio of a display substrate may be enhanced.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Gyu Kim, Hye-Seok Na, Mee-Hye Jung, Dong-Hyeon Ki, Se-Hyoung Cho
  • Patent number: 8610863
    Abstract: An LCD panel is provided for improving a contrast ratio by suppressing light leakage around gate lines of an assembly that is structured to support a liquid crystal alignment mode that enhanced side view visibility of the LCD image. The LCD panel includes a first base substrate, a plurality of gate lines and a plurality of data lines disposed on the first base substrate and crossing each other, a pixel electrode comprising a first oblique line and a second oblique line disposed on the first base substrate and inclined in a different direction from each other with respect to the gate lines, a second base substrate, a common electrode disposed on the second base substrate and alternately positioned with the pixel electrode, wherein a portion of the common electrode overlaps the gate line segment, and a liquid crystal layer disposed between the first and second base substrates.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Hyun Kwon, Hyeok-Jin Lee, Byoung-Sun Na, Lujian Gang, Dong-Hyeon Ki, Hwa-Sung Woo
  • Publication number: 20130057818
    Abstract: A liquid crystal display includes: two opposing substrates; a liquid crystal layer interposed between the two substrates and including liquid crystal molecules; a gate line which transfers a gate signal; a data line which transfers a data voltage; a voltage transfer line which transfers a voltage having a predetermined magnitude; and pixels, each including first and second pixel electrodes separated from each other, where the first pixel electrode includes first and second subpixel electrode, the second pixel electrode includes third and fourth subpixel electrodes, each of the first to fourth subpixel electrodes includes a stem and branch electrodes, the branch electrodes of the first and third subpixel electrodes are alternately disposed, the branch electrodes of the second and fourth subpixel electrodes are alternately disposed, and a voltage difference between the first and second pixel electrodes is greater than a voltage difference between the second and fourth subpixel electrodes.
    Type: Application
    Filed: March 7, 2012
    Publication date: March 7, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Hyoung CHO, Hong-Jo PARK, Sung Hoon KIM, Dong Gyu KIM, Dong-Hyeon KI
  • Publication number: 20130050157
    Abstract: A display device includes: a display panel including a display area, and a peripheral area disposed in the vicinity of the display area; a scan driver including a plurality of stages integrated on the peripheral area; a plurality of gate lines connected to the plurality of stages, respectively; and a plurality of pixel rows in the display area and connected with the plurality of gate lines, respectively. The plurality of stages and the plurality of pixel rows are each arranged in a first direction in a line, the peripheral area includes a fan-out region between the plurality of stages and the plurality of pixel rows, and at least one of the plurality of gate lines in the fan-out region is inclined with respect to the first direction, and a second direction perpendicular to the first direction.
    Type: Application
    Filed: March 2, 2012
    Publication date: February 28, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung-Soo BAEK, Se Hyoung CHO, Dong-Gyu KIM, Dong-Hyeon KI
  • Publication number: 20130009930
    Abstract: The embodiments of the present invention relate to a display device and a driving method thereof, wherein the display device according to an exemplary embodiment of the present invention includes a plurality of pixels a voltage transmitting line transmitting a first voltage to a first pixel among the plurality of pixels, a data line transmitting a data voltage to the first pixel, and a plurality of sensing units including a first sensing unit connected to the voltage transmitting line, wherein the first pixel includes a first switching element including an input terminal connected to the voltage transmitting line and a second switching element including an input terminal connected to the data line, and the first sensing unit includes a control switching element including an input terminal connected to the voltage transmitting line.
    Type: Application
    Filed: November 9, 2011
    Publication date: January 10, 2013
    Inventors: Se Hyoung CHO, Dong-Hyeon KI, Dong Gyu KIM
  • Patent number: 8294866
    Abstract: Disclosed are a liquid crystal display device and a method of manufacturing the liquid crystal display device. The liquid crystal display device includes a first insulating substrate, a gate line and a data line formed on the first insulating substrate and crossing each other, a first pixel electrode formed on the first insulating substrate and including a first part and a second part which are physically separated, a second pixel electrode formed on the first insulating substrate and forming an electric field with the first pixel electrode, a connection bridge including at least one conductive layer and electrically connecting the first part with the second part through a contact hole, and at least one insulating layer positioned between the first pixel electrode and the connection bridge, wherein the contact hole is formed in the at least one insulating layer.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: October 23, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hyeon Ki, Mee-Hye Jung, Se-Hyoung Cho, Dong-Gyu Kim, Seung-Soo Baek, Hye-Seok Na
  • Patent number: 8259249
    Abstract: A display substrate includes a first pixel electrode and a second pixel electrode. The first pixel electrode includes a plurality of first electrode bars. A data line provides a data voltage to the first pixel electrode. The second pixel electrode includes a plurality of second electrode bars alternately disposed with the first electrode bars. A first power line is formed adjacent to a gate line to provide a first voltage to the second pixel electrode. A second power line crosses the first power line and is electrically connected to the first power line. A first switching element is electrically connected to the data line, the gate line and the first pixel electrode. A second switching element is electrically connected to the first power line, the gate line and the second pixel electrode.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Gyu Kim, Seung-Soo Baek, Mee-Hye Jung, Dong-Hyeon Ki, Sei-Hyoung Jo, Hye-Seok Na
  • Patent number: 8228282
    Abstract: In a gate driving circuit and a display apparatus having the gate driving circuit, a pull-up transistor of a present stage among plural stages, which are connected one after another to each other and sequentially output a gate signal, pulls up a present gate signal output through an output terminal to a gate-on voltage. A buffer transistor is connected to a control terminal of the pull-up transistor to receive a previous output signal from a previous stage and to turn on the pull-up transistor. The buffer transistor has a chargeability that is about two times or greater than the chargeability of the pull-up transistor. Thus, the size of the pull-up transistor may be reduced, thereby preventing a malfunction of the gate driving circuit when the gate driving circuit is operated under conditions of high temperature or low temperature.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung-Sun Na, Dong-Hyeon Ki, Min-Cheol Lee, Soon-Il Ahn