Patents by Inventor Kwang-Chul Jung

Kwang-Chul 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: 20160210918
    Abstract: The gate driving circuit includes an (m?1)-th stage externally receiving a first dummy signal for a first time period to control a turn-off, an m-th stage externally receiving a second dummy signal for the first time period to control the turn-off, an (m?2)-th stage receiving an m-th carry signal for a second time period from the m-th stage and externally receiving the second dummy signal for the second time period to control the turn-off, and an (m?3)-th stage receiving an (m?1)-th carry signal for the second time period from the (m?1)-th stage and externally receiving the first dummy signal for the first time period to control the turn-off, wherein the first time period is longer than the second time period.
    Type: Application
    Filed: August 26, 2015
    Publication date: July 21, 2016
    Inventors: Se-Hyang KIM, Kyung-Hoon Kim, KyoungHo Lim, Kwang-chul Jung, Junki Jeong
  • Publication number: 20160202567
    Abstract: A display device may include a first pixel, a second pixel, a first liquid crystal layer, and a second liquid crystal layer. The first pixel may include a first first-pixel subpixel electrode and a second first-pixel subpixel electrode. The second pixel may neighbor the first pixel and may include a first second-pixel subpixel electrode and a second second-pixel subpixel electrode. The first liquid crystal layer may be formed of a first liquid crystal material and may overlap the second first-pixel subpixel electrode. The second liquid crystal layer may be formed of a second liquid crystal material and may overlap the first second-pixel subpixel electrode. A material property of the first liquid crystal material may be different from a material property of the second liquid crystal material.
    Type: Application
    Filed: October 13, 2015
    Publication date: July 14, 2016
    Inventors: Jang Mi KANG, Kwang-Chul JUNG, Nam Seok ROH, Cheol-Gon LEE
  • Publication number: 20160202583
    Abstract: A liquid crystal display including a plurality of gate lines and a plurality of data lines that is insulated from and cross the plurality of gate lines, and a plurality of unit pixels connected to the plurality of gate lines and the plurality of data lines, wherein the plurality of unit pixel includes a first pixel at row 1 and column 1, a second pixel at row 1 and column 2, a third pixel at row 2 and column 1, and a fourth pixel at row 2 and column 2, a first gate line and a second gate line are disposed in parallel to each other between the first pixel and the third pixel and between the second pixel and the fourth pixel, and the first gate line is connected to the first pixel and the third pixel at different neighboring rows, and the second gate line is connected to the second pixel and the fourth pixel at different neighboring rows.
    Type: Application
    Filed: July 2, 2015
    Publication date: July 14, 2016
    Inventors: Kwang-Chul JUNG, Sun Hwa LEE, Sang-Uk LIM, Mee Hye JUNG
  • Publication number: 20160163633
    Abstract: A display panel includes a display unit with a first area and a second area, first gate lines on the first area and the second area that extend in a first direction in the first area and in a third direction in the second area, while sections extending in the first direction and in a second direction are repeated, and second gate lines on the second area that extend in the third direction while sections extending in the first direction and in the second direction are repeated. The second gate line includes a plurality of sub gate lines that extend in the second direction in the second area, and one end of each of the plurality of sub gate lines is connected to one end of each of the plurality of second gate lines.
    Type: Application
    Filed: April 17, 2015
    Publication date: June 9, 2016
    Inventors: JUN KI JEONG, Kwang Chul Jung, Il Gon Kim
  • Publication number: 20160155393
    Abstract: A display device includes a first pixel connected to a gate line, a data line, and a storage line for transmitting a storage signal of which a voltage level is changed at least once for one frame. The first pixel includes first, second, and third subpixels. The first subpixel includes a first switching element connected to the gate and data lines, a first liquid crystal capacitor connected to the first switching element, and a first storage capacitor. The second subpixel includes a second switching element connected to the gate and data lines, a second liquid crystal capacitor connected to the second switching element, and a second storage capacitor. The third subpixel includes a third switching element connected to the gate and data lines, and a third liquid crystal capacitor connected to the third switching element. The first and second storage capacitors are connected to the storage line.
    Type: Application
    Filed: March 19, 2015
    Publication date: June 2, 2016
    Inventors: Kwang-Chul JUNG, Sun Hwa LEE, Mee Hye JUNG
  • Patent number: 9348188
    Abstract: A liquid crystal display according to an embodiment of the present invention includes: first and second substrates opposed to each other; a liquid crystal layer including liquid crystal molecules interposed between the first and second substrates; a gate line formed on the first substrate and transmitting a gate signal; first and second data lines formed on the first substrate and transmitting first and second data voltages having different polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; and first and second pixel electrodes that are connected to the first and second switching elements, respectively, and separated from each other, wherein the liquid crystal layer has positive dielectric anisotropy.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: May 24, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Shin, Hwa-Sung Woo, Kwang-Chul Jung, Chong-Chul Chai, Mee-Hye Jung
  • Patent number: 9341907
    Abstract: A liquid crystal display includes: a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystal molecules, a gate line positioned on the first substrate, a data line positioned on the first substrate and crossing the gate line, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a third thin film transistor connected to the gate line and the second thin film transistor, a reference voltage line connected to the third thin film transistor, and a pixel electrode including a first subpixel electrode connected to the first thin film transistor and a second subpixel electrode connected to the second thin film transistor.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Jeong Kim, Ki-Chul Shin, Hoon Kim, Hyung-Guel Kim, Joo-Seok Yeom, Jae-Jin Song, Ho-Kil Oh, Yoon-Jang Kim, Jae-Hoon Jung, Kwang-Chul Jung
  • Publication number: 20160133216
    Abstract: A display apparatus includes a display panel comprising a plurality of gate lines extending in a first diagonal direction of a display area, and a plurality of vertical lines extending in a vertical direction, the gate lines comprising a plurality of first gate lines disposed in a first sub-area of the display area, a plurality of second gate lines disposed in a second sub-area of the display area, a plurality of third gate lines disposed in a third sub-area of the display area, the third gate lines respectively connected to the vertical lines, and a gate driver disposed in the first peripheral area in which the data driver is disposed and configured to provide at least one of the first, second and third sub-areas with a gate signal different from a reference gate signal.
    Type: Application
    Filed: April 22, 2015
    Publication date: May 12, 2016
    Inventors: Hee-Rim SONG, Kwang-Chul JUNG, Il-Gon KIM, Se-Young SONG
  • Publication number: 20160133214
    Abstract: A display apparatus includes a plurality of pixels arranged in columns and rows in a display area, a data line extending in a first direction and connected with pixels of a k-th column (‘k’ is a natural number) and a (k+1)-th column, a gate line extending in a second direction crossing the first direction and connected with ones of the pixels, a gate signal line extending in the first direction and connected with the gate line, and a gate driver in a first peripheral area adjacent to a first longer side of the display area and having a first width, and configured to apply a gate signal to the gate line.
    Type: Application
    Filed: May 1, 2015
    Publication date: May 12, 2016
    Inventors: Ho-Kyoon Kwon, Myoung-Soo Kim, Sang-Ik Lee, Kyoung-Ho Lim, Kwang-Chul Jung, Jun-Ki Jeong, Ki-Seok Cha, Joon-Chul Goh, Bong-Hyun You
  • Publication number: 20160109767
    Abstract: A liquid crystal display includes: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The common electrode includes a first cross-shaped cutout overlapping the pixel electrode, and a second cutout parallel to an edge of the pixel electrode, the second cutout being separated from the edge of the pixel electrode.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 21, 2016
    Inventors: Sung-Jae YUN, Hyun-Cheol MOON, Jae Hong PARK, Oh Jeong KWON, Hyeok Jin LEE, Sang-Uk LIM, Jiang SHUAI, Kyung Hye PARK, Joo Young YOON, Kwang-Chul JUNG, Sang Cheol SHIN, Joo Ae YOUN
  • Publication number: 20160104448
    Abstract: A display apparatus including a display panel comprises a plurality of pixel sets, wherein each of the plurality of pixel sets comprises a plurality of pixel rows formed of 8i pixels (where i is a natural number) and each of the pixels is any one of first to fourth pixels displaying different colors. Pixels displaying identical color in a first pixel row among the pixel rows of each of the plurality of pixel sets have identical polarity, and have polarities different from those of pixels displaying identical color and disposed in a second pixel row adjacent to the first pixel row. Polarities of the pixels displaying identical color in each pixel row are inverted in a unit of one pixel set.
    Type: Application
    Filed: June 19, 2015
    Publication date: April 14, 2016
    Inventors: Sunhwa LEE, Kwang-Chul JUNG, Meehye JUNG
  • Publication number: 20160062161
    Abstract: A liquid crystal display includes a mother substrate with a plurality of unit substrate regions, a first voltage supplying wire and a second voltage supplying wire, each of the first and second voltage supplying wires being between neighboring unit substrate regions, a first cell pad and a second cell pad on each unit substrate region, a first connection bridge connecting the first voltage supplying wire, the first cell pad, and the second cell pad, and a second connection bridge connecting the second voltage supplying wire, the first cell pad, and the second cell pad, wherein each of the unit substrate regions includes a thin film transistor, a pixel electrode connected to the thin film transistor, liquid crystal in a microcavity on the pixel electrode, a common electrode on the liquid crystal, and an overcoat covering the liquid crystal and the common electrode.
    Type: Application
    Filed: February 26, 2015
    Publication date: March 3, 2016
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Mee Hye JUNG
  • Publication number: 20160062201
    Abstract: A display apparatus includes gate lines configured to receive gate signals, data lines arranged to cross the gate lines and configured to receive data voltages, and pixels grouped into first pixel groups and second pixel groups and connected to the gate lines and the data lines. The gate signals are configured to be applied to the gate lines in a predetermined order while skipping at least one gate line without being sequentially and consecutively applied to two gate lines adjacent to each other among the gate lines.
    Type: Application
    Filed: March 6, 2015
    Publication date: March 3, 2016
    Inventors: Sang-Uk Lim, Sunhwa Lee, Ji-Sun Kim, Kwang-chul Jung, Seokha Hong
  • Publication number: 20160055807
    Abstract: A display apparatus with improved aperture ratio and light transmittance is presented. The apparatus has a pixel group that includes a first pixel including first and second sub-regions, a second pixel including third and fourth sub-regions, and a third pixel including fifth and sixth sub-regions. The first, second, and third pixels are sequentially arranged in a first direction and at least two sub-regions of the first, third, and fifth sub-regions have different widths in the first direction. The second, fourth, and sixth sub-regions are sequentially arranged in the first direction, and at least one sub-region of the second, fourth, and sixth sub-regions expands toward an adjacent sub-region in the first direction and has a width greater than a width of the other sub-regions of the second, fourth, and sixth sub-regions in the same pixel group.
    Type: Application
    Filed: June 9, 2015
    Publication date: February 25, 2016
    Inventors: Sunhwa LEE, Kwang-chul JUNG, Sang-Uk LIM
  • Patent number: 9264699
    Abstract: A display apparatus includes a panel module displaying a 2-dimensional (2D) image or a 3-dimensional (3D) stereoscopic image, a lens panel disposed over the panel module and including a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate, the first substrate including a plurality of first electrodes, a plurality of floating electrodes and a plurality of second electrodes, the floating electrodes partially overlapping with the first electrodes and being electrically floated, the second electrodes partially overlapping with the floating electrodes, and a light source module supplying light to the panel module.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Chul Jung, Chong-Chul Chai, Yeong-Keun Kwon, Se-Young Song
  • Patent number: 9256106
    Abstract: A liquid crystal display includes: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The common electrode includes a first cross-shaped cutout overlapping the pixel electrode, and a second cutout parallel to an edge of the pixel electrode, the second cutout being separated from the edge of the pixel electrode.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: February 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jae Yun, Hyun-Cheol Moon, Jae Hong Park, Oh Jeong Kwon, Hyeok Jin Lee, Sang-Uk Lim, Jiang Shuai, Kyung Hye Park, Joo Young Yoon, Kwang-Chul Jung, Sang Cheol Shin, Joo Ae Youn
  • Publication number: 20160035307
    Abstract: A display device includes: a substrate partitioned into a display area including a plurality of pixels for displaying images thereon and a non-display area around the display area; a plurality of first gate lines and a plurality of data lines extended in one direction on the display area; a plurality of pads on one side of the non-display area; a plurality of gate fan-out lines, each coupling one of the first gate lines and a corresponding one of the pads; and a plurality of data fan-out lines, each coupling one of the data lines and a corresponding one of the pads, wherein the gate fan-out lines and the data fan-out lines may be alternately disposed.
    Type: Application
    Filed: June 2, 2015
    Publication date: February 4, 2016
    Inventors: Sang Jin Jeon, Kwang Chul Jung, Se Hyoung Cho
  • Patent number: 9201235
    Abstract: An electrowetting display device includes a plurality of pixels each including an array substrate, an opposite substrate, and an electrowetting layer. The array substrate includes a base substrate, a barrier wall defining a pixel area, a partition wall partitioning the pixel area into a plurality of sub-pixel areas, a hydrophobic layer disposed in the sub-pixel areas, and an electronic device controlling the electrowetting layer.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: December 1, 2015
    Assignee: Amazon Technologies, Inc.
    Inventors: Kwang-Chul Jung, JaeJin Lyu, Hyun Sup Lee, Meehye Jung
  • Publication number: 20150340001
    Abstract: A display apparatus is provided including: a matrix arrangement of a plurality of pixels, a plurality of first signal lines formed in parallel to a first direction of the arrangement of the pixels, and a plurality of second signal lines formed in a diagonal direction of the arrangement of the pixels, wherein one of the first signal line and the second signal line is a data line and the other is a gate line.
    Type: Application
    Filed: February 13, 2015
    Publication date: November 26, 2015
    Inventors: Kwang-Chul JUNG, Il-Gon KIM, Kyoung-Ho LIM, Sang-Jin JEON
  • Publication number: 20150323847
    Abstract: A liquid crystal display includes: a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystal molecules, a gate line positioned on the first substrate, a data line positioned on the first substrate and crossing the gate line, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a third thin film transistor connected to the gate line and the second thin film transistor, a reference voltage line connected to the third thin film transistor, and a pixel electrode including a first subpixel electrode connected to the first thin film transistor and a second subpixel electrode connected to the second thin film transistor.
    Type: Application
    Filed: July 17, 2015
    Publication date: November 12, 2015
    Inventors: Su-Jeong KIM, Ki-Chul SHIN, Hoon KIM, Hyung-Guel KIM, Joo-Seok YEOM, Jae-Jin SONG, Ho-Kil OH, Yoon-Jang KIM, Jae-Hoon JUNG, Kwang-Chul JUNG