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).

  • Patent number: 9645429
    Abstract: In an exemplary display device of the present invention, a first microcavity filled with liquid crystal molecules is disposed on a substrate. A roof layer is disposed on an upper side and two facing first sides of the first microcavity. The two facing first sides are arranged in a first direction. A support member is disposed on one of two facing second sides of the first microcavity. The two facing second sides are arranged in a second direction crossing the first direction. An overcoat is disposed on the roof layer and the other of the two facing second sides of the first microcavity. The support member having a column shape is connected to the roof layer.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung
  • Publication number: 20170115523
    Abstract: A liquid crystal display according to an exemplary embodiment of the present disclosure includes: a substrate; a pixel electrode disposed on the substrate; a roof layer facing the pixel electrode; a liquid crystal layer disposed in a plurality of microcavities between the pixel electrode and the roof layer; a partition disposed between adjacent microcavities among the plurality of microcavities; and a shielding electrode disposed between the substrate and the partition, wherein the shielding electrode is disposed on the same layer as the pixel electrode.
    Type: Application
    Filed: May 18, 2016
    Publication date: April 27, 2017
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Il Gon KIM
  • Patent number: 9606406
    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: May 11, 2016
    Date of Patent: March 28, 2017
    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
  • Patent number: 9601526
    Abstract: A display device is provided. A substrate includes a thin film transistor. A pixel electrode is connected to the thin film transistor. A common electrode is formed on the pixel electrode. A microcavity including liquid crystal molecules is interposed between the pixel electrode and the common electrode. A roof layer is formed on the common electrode. The roof layer includes at least one protrusion. A support member is formed under the at least one protrusion and in a column shape. The support member is surrounded by the liquid crystal molecules. An overcoat is formed on the roof layer and a side of the microcavity.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Tae Woo Lim
  • Patent number: 9588349
    Abstract: A liquid crystal lens includes a first lens electrode, a second lens electrode, bus lines, and a contact portion. The first lens electrode is disposed in at least a display area of the liquid crystal lens. The second lens electrode is disposed in at least the display area. The bus lines are disposed in a peripheral area of the liquid crystal lens, the peripheral area being disposed outside the display area, the first lens electrode and the second lens electrode being connected to respective ones of the bus lines. The contact portion overlaps the bus lines and electrically connects the respective bus lines to the first lens electrode and the second lens electrode.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Young Song, Kwang-Chul Jung, Mee-Hye Jung, Sun-Hwa Lee, In-Jae Hwang
  • Patent number: 9575372
    Abstract: A display device may include a first subpixel electrode; a first roof layer; a first liquid crystal layer disposed between the first subpixel electrode and the first roof layer; and a first support member overlapping a first end portion of the first roof layer in a first direction. The display device may further include a second subpixel electrode immediately neighboring the first subpixel electrode; a second roof layer; a second liquid crystal layer disposed between the second subpixel electrode and the second roof layer; and a second support member overlapping a first end portion of the second roof layer in the first direction. The first end portion of the first roof layer and the first end portion of the second roof layer may be disposed between a second end portion of the first roof layer and a second end portion of the second roof layer.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Uk Lee, Sung Hwan Won, Dae Ho Lee, Sun Hwa Lee, Kwang-Chul Jung
  • Patent number: 9576547
    Abstract: A display panel includes a first sub-pixel electrode and a second sub-pixel electrode alternating with each other to form a horizontal electric field, a first data line transmitting a first data voltage to the first sub-pixel electrode, and a second data line transmitting a second data voltage to the second sub-pixel electrode, wherein the second sub-pixel electrode is formed to overlap the first and second data lines.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang-Chul Jung, Chong-Chul Chai, Mee-Hye Jung
  • Patent number: 9568796
    Abstract: A liquid crystal display includes: a substrate; a thin film transistor on the substrate; a pixel electrode connected with a terminal of the thin film transistor; a microcavity on the pixel electrode, and including a plurality of regions corresponding a pixel area; a liquid crystal layer in the microcavity; a liquid crystal injection hole exposing the microcavity; a common electrode on the microcavity; a supporting member on the common electrode; and a capping layer on the supporting member and covering the liquid crystal injection hole. The pixel electrode is connected with the terminal of the thin film transistor through a contact hole, and the contact hole is within the pixel area.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Mee Hye Jung, Sun Hwa Lee, Kwang-Chul Jung, Chong Chul Chai
  • Publication number: 20170032751
    Abstract: A display device may include the following elements: a plurality of gate lines extending in a first direction; a plurality of data lines extending in a second direction; a gate driver configured for applying gate signals to the gate lines; a data driver configured for applying data voltages to the data lines; a plurality of pixels electrically connected to the plurality of gate lines and the plurality of data lines; and a control wire set that traverses overlaps an area of a first pixel of the plurality of pixels, electrically interconnects the gate driver and the data driver, and is configured to transmit a control signal from the data driver to the gate driver.
    Type: Application
    Filed: February 11, 2016
    Publication date: February 2, 2017
    Inventors: Kwang-Chul JUNG, Sun Hwa LEE, Il Gon KIM, Sang-Uk LIM, Jun Ki JEONG
  • Patent number: 9529235
    Abstract: A liquid crystal display for improving transmittance includes: a first substrate; and a pixel electrode provided on the first substrate and including a first sub-pixel electrode and second sub-pixel electrode configured to receive different voltages, wherein the first sub-pixel electrode includes a T-shaped stem including a first horizontal stem and a first vertical stem and a first fine branch extending from the T-shaped stem, and the second sub-pixel electrode includes a cross-shaped stem including a second horizontal stem and a second vertical stem and a second fine branch extending from the cross-shaped stem.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Mee Hye Jung
  • Patent number: 9488888
    Abstract: A display device improves horizontal crosstalk and an aperture ratio, and includes: a substrate; a gate line and a data line formed on the substrate; a thin film transistor connected to the gate line and the data line; a pixel electrode connected to the thin film transistor; a light block overlapping the thin film transistor on the pixel electrode; a light block passivation layer overlapping the thin film transistor and the data line on the light block; a common electrode formed on the pixel electrode, spaced apart from the pixel electrode with a plurality of microcavities interposed therebetween; a roof layer formed on the common electrode; an injection hole exposing a part of each of the plurality of microcavities; a liquid crystal layer filling the plurality of microcavities; and an encapsulation layer formed on the roof layer covering the injection hole to seal the microcavity.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Se Young Song, Mee Hye Jung, In-Jae Hwang
  • Publication number: 20160322017
    Abstract: Provided is a liquid crystal display device including: a substrate; a first gate line; a first data line and a second data line to which data voltages with different polarities are applied; a first pixel electrode connected to the first gate line and the first data line; a liquid crystal layer formed on the first pixel electrode; and a first common electrode and a second common electrode disposed on the liquid crystal layer, in which the first pixel electrode includes a first subpixel electrode overlapping with the first common electrode and a second subpixel electrode overlapping with the second common electrode. A first voltage and A second voltage are alternatingly applied to the first common electrode and the second common electrode every two or more frames, respectively.
    Type: Application
    Filed: April 13, 2016
    Publication date: November 3, 2016
    Inventors: Jang Mi KANG, Kwang-Chul JUNG, Cheol-Gon LEE, Mee Hye JUNG
  • Patent number: 9477125
    Abstract: A liquid crystal display includes a substrate including a plurality of pixels, each pixel having a first sub-pixel and a second sub-pixel; a pixel electrode including a first pixel electrode formed in a region corresponding to the first sub-pixel and a second pixel electrode formed in a region corresponding to the second sub-pixel on the substrate; a common electrode including a first common electrode formed to be spaced from the first pixel electrode and a second common electrode formed to be spaced from the second pixel electrode on the substrate; and a thin film transistor formed on the substrate to be electrically connected to the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Chul Jung, Sun Hwa Lee, Mee Hye Jung
  • Publication number: 20160307488
    Abstract: There is provided a display panel including a plurality of white subpixels configured to display a white image, a gate line connected with the white subpixels and extended in a row direction, and an in-pixel gate driver including in-pixel elements exclusively in the white subpixels and connected with the gate line to supply a gate signal to the gate line.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 20, 2016
    Inventors: Se-hyang Kim, Heejune Kwak, Kwang-chul Jung, Sang-uk Lim, Junki Jeong
  • Publication number: 20160306202
    Abstract: The present inventive concept relates to a liquid crystal display which includes a substrate; a first gate line; a first data line and a second data line applied with a data voltage of different polarities; a first pixel electrode connected to the first gate line and the first data line; a second pixel electrode connected to the first gate line and the second data line; a liquid crystal layer; a first common electrode applied with a first voltage; and a second common electrode applied with a second voltage different from the first voltage, wherein the first pixel electrode includes a first subpixel electrode overlapping the first common electrode and a second subpixel electrode overlapping the second common electrode, and the second pixel electrode includes a third subpixel electrode overlapping the second common electrode and a fourth subpixel electrode overlapping the first common electrode.
    Type: Application
    Filed: September 23, 2015
    Publication date: October 20, 2016
    Inventors: Cheol-Gon LEE, Kwang-Chul JUNG, Jang Mi KANG, Mee Hye JUNG
  • Publication number: 20160299384
    Abstract: According to one embodiment, a liquid crystal display device includes a substrate, a thin film transistor connected to a gate line and a data line that are insulated and intersected on the substrate, a pixel electrode including a first subpixel electrode and a second subpixel electrode that are connected to the thin film transistor, and a common electrode that is spaced apart from the pixel electrode with a plurality of microcavities. The plurality of microcavities are disposed on the pixel electrode and interposed between the common electrode and the pixel electrode. The liquid crystal display further includes a roof layer disposed on the common electrode, and a liquid crystal layer that includes liquid crystal molecules filing the microcavities. The common electrode includes a first common electrode and a second common electrode. Voltages applied to the first common electrode and the second common electrode are different from each other.
    Type: Application
    Filed: September 10, 2015
    Publication date: October 13, 2016
    Inventors: Jang Mi KANG, Kwang-Chul JUNG, Cheol-Gon LEE, Mee Hye JUNG
  • Patent number: 9454938
    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: Grant
    Filed: March 19, 2015
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Chul Jung, Sun Hwa Lee, Mee Hye Jung
  • Publication number: 20160252795
    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: May 11, 2016
    Publication date: September 1, 2016
    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: 20160238904
    Abstract: A liquid crystal display includes: a first substrate; and pixel electrodes disposed on the first substrate, each of the pixel electrodes including: a stem including a first stem and a second stem perpendicularly crossing each other; and a plurality of branch electrodes extending from the stem, wherein one of the first stem of and the second stem of each pixel electrode has a different width corresponding to a location of pixel electrodes on the display.
    Type: Application
    Filed: February 15, 2016
    Publication date: August 18, 2016
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Mee-Hye JUNG
  • Publication number: 20160209712
    Abstract: A liquid crystal display for improving transmittance includes: a first substrate; and a pixel electrode provided on the first substrate and including a first sub-pixel electrode and second sub-pixel electrode configured to receive different voltages, wherein the first sub-pixel electrode includes a T-shaped stem including a first horizontal stem and a first vertical stem and a first fine branch extending from the T-shaped stem, and the second sub-pixel electrode includes a cross-shaped stem including a second horizontal stem and a second vertical stem and a second fine branch extending from the cross-shaped stem.
    Type: Application
    Filed: June 11, 2015
    Publication date: July 21, 2016
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Mee Hye JUNG