Patents by Inventor Ki-Chul Shin

Ki-Chul Shin 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: 20160238905
    Abstract: A liquid crystal display includes: a first pixel and a second pixel for displaying different colors, the first pixel and the second pixel each including a first sub-pixel electrode receiving a first voltage; a second sub-pixel electrode receiving a second voltage; an insulating layer disposed between the first sub-pixel electrode and the second sub-pixel electrode; and a common electrode receiving a common voltage. A first portion of the first sub-pixel electrode and a second portion of the second sub-pixel electrode overlap each other, a difference between the first voltage and the common voltage is larger than a difference between the second voltage and the common voltage, and a ratio of the second voltage to the first voltage for the first pixel is different from a ratio of the second voltage to the first voltage for the second pixel.
    Type: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Min-Joo HAN, Hyo Sik KIM, Kyu Su AHN, Dan Bi YANG, Hee Hwan LEE, Hoon KIM, Ki Chul SHIN
  • Publication number: 20160240161
    Abstract: A liquid crystal display according to an exemplary embodiment includes a first substrate, a gate line and a data line disposed on the first substrate, a first thin film transistor (“TFT”) and a second TFT connected to the gate line and the data line, a first subpixel electrode connected to the first TFT, a first resistor connected to the second TFT, and a second subpixel electrode connected to the first resistor.
    Type: Application
    Filed: February 16, 2016
    Publication date: August 18, 2016
    Inventors: Hoon KIM, Ki Chul SHIN, Jae Jin LYU
  • Patent number: 9417488
    Abstract: A liquid crystal display includes: a flexible first substrate; a pixel electrode positioned on the first substrate and including an outer stem with a quadrangular shape, a crossed-shape stem including a transverse stem positioned inside the outer stem and a longitudinal stem crossing the transverse stem, and a plurality of minute branches extending from the outer stem and the crossed-shape stem; a flexible second substrate facing the first substrate; a common electrode positioned on the second substrate; and a liquid crystal layer including liquid crystal molecules interposed between the first substrate and the second substrate. An angle formed by minute branches of one sub-region of the pixel electrode positioned at second, third and fourth zones and the transverse stem is smaller than an angle formed by minute branches of three other sub-regions of the pixel electrode positioned at the second, third, and fourth zones and the transverse stem.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: August 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Won Kim, Oh Jeong Kwon, Hyeok Jin Lee, Ki Chul Shin
  • Patent number: 9405157
    Abstract: A liquid crystal display, including a lower panel electrode including at least one lower panel unit electrode, an upper panel electrode including at least one upper panel unit electrode facing the at least one lower panel unit electrode, and a liquid crystal layer disposed between the lower panel electrode and the upper panel electrode, wherein the lower panel unit electrode includes a stem part forming borders between a plurality of sub-regions; a center pattern including a plurality of straight line sides respectively disposed at the plurality of sub-regions, and a plurality of fine branch parts extending out from the center pattern, the stem part includes a horizontal stem part and a vertical stem part, and angles that the horizontal stem part and the vertical stem part form with the respective straight line sides of the center pattern are different from each other.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: August 2, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ho Kil Oh, Cheol Shin, Ka Eun Kim, Hyo Ju Jung, Ki Chul Shin
  • Publication number: 20160216573
    Abstract: An exemplary embodiment of the present system and method provides a liquid crystal display including: a first substrate; a first electrode formed on the first substrate; a second substrate configured to face the first substrate; and a second electrode formed on the second substrate, wherein the first electrode includes a first portion having a plate shape and a plurality of branch electrodes extended from the first portion, the second electrode includes a cross-shaped cutout including a horizontal stem and a vertical stem that cross each other at a center thereof, and the vertical stem of the cross-shaped cutout includes a first portion having a width that is increased from an end of the first portion of the vertical stem toward the center.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 28, 2016
    Inventors: Ka Eun KIM, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN, Se Hyun LEE
  • Publication number: 20160216574
    Abstract: A display device may include a common electrode, a first pixel electrode, a second pixel electrode, an insulation layer, and a liquid crystal layer. The first pixel electrode overlaps the common electrode. The second pixel electrode is electrically connected to the first pixel electrode and is positioned between the first pixel electrode and the common electrode. A first portion of the second pixel electrode does not overlap the first pixel electrode in a direction perpendicular to the common electrode. A second portion of the second pixel electrode overlaps a first portion of the first pixel electrode. A second portion of the first pixel electrode does not overlap the second pixel electrode in the direction perpendicular to the common electrode. The insulating layer is positioned between the first pixel electrode and the second pixel electrode. The liquid crystal layer is positioned between the common electrode and the second pixel electrode.
    Type: Application
    Filed: December 18, 2015
    Publication date: July 28, 2016
    Inventors: Dong-Chul SHIN, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Dong Han SONG, Ki Chul SHIN, Sung-Jae YUN, Hyeok Jin LEE
  • Publication number: 20160217725
    Abstract: A display device includes: a common electrode and a pixel electrode that includes a horizontal stem, a vertical stem, and a branch. A pixel of the branch includes a first branch that extends in a first diagonal direction from the horizontal stem and the vertical stem, and a second branch that extends in a second diagonal direction from the horizontal stem and the vertical stem.
    Type: Application
    Filed: September 16, 2015
    Publication date: July 28, 2016
    Inventors: Jae Hoon JUNG, Dan Bi YANG, Ji Phyo HONG, Ki Chul SHIN
  • Publication number: 20160216581
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including a first substrate, a gate line formed on the first substrate, an insulating layer formed on the gate line, and a pixel electrode which is formed on the insulating layer and includes a first subpixel electrode and a second subpixel electrode in which the pixel electrode is divided into three sub regions, the first subpixel electrode is formed in a first sub region and the second subpixel electrode is formed in a third sub region, and both the first subpixel electrode and the second subpixel electrode are formed in a second sub region.
    Type: Application
    Filed: December 2, 2015
    Publication date: July 28, 2016
    Inventors: Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Ki Chul SHIN, Jae Hoon JUNG
  • Patent number: 9395581
    Abstract: A liquid crystal display includes a first substrate, a gate line and a divided reference voltage line on the first substrate, a gate insulating layer in the gate line and the divided reference voltage line, a semiconductor layer on the gate insulating layer, a data line on the semiconductor layer, a passivation layer on the data line, a pixel electrode on the passivation layer, a second substrate corresponding to the first substrate, and a common electrode in the second substrate, where the gate line, the divided reference voltage line, and the data line extend to one side of the first substrate, a divided reference voltage driving line, and a data driving line, respectively, extensions are provided at ends of the divided reference voltage driving line and the data driving line, short spacers are disposed on the extensions, and the short spacers are in contact with the common electrode.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Hong Park, Jin Won Kim, Oh Jeong Kwon, Heung Shik Park, Hyeok Jin Lee, Ki Chul Shin
  • Publication number: 20160202572
    Abstract: A liquid crystal display including a partial plate electrode along with a minute pattern in pixel electrode thereby increasing the viewing angle and the lateral visibility of the liquid crystal display, as well as the response speed A step provider is provided to reinforce the control force of the liquid crystal molecules, thereby reducing the texture generated in the center of the pixel.
    Type: Application
    Filed: February 23, 2016
    Publication date: July 14, 2016
    Inventors: Hak Sun CHANG, Eun-Kil PARK, Hyun-Ho KANG, Jang Wi RYU, Seung-Suk YANG, Ki Chul SHIN, Se Hyun LEE, Jae-Soo JANG, Hyo Ju JUNG
  • Publication number: 20160202519
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; a pixel electrode connected to the thin film transistor; a second insulation substrate facing and spaced apart from the first insulation substrate; a common electrode disposed on the second insulation substrate; a liquid crystal layer disposed between the pixel electrode and the common electrode; and one or more piezoelectric elements overlying one or more portions of at least one of the pixel electrode and the common electrode.
    Type: Application
    Filed: July 28, 2015
    Publication date: July 14, 2016
    Inventors: Ji Phyo HONG, Dan Bi YANG, Min-Joo HAN, Ki Chul SHIN, Jae Hoon JUNG
  • Publication number: 20160202558
    Abstract: The present inventive concept relates to a curved liquid crystal display having improved transmittance, and the curved liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first substrate and a second substrate facing each other, the first substrate and the second substrate being curved to have a predetermined radius of curvature; and a liquid crystal layer interposed between the first substrate and the second substrate, wherein the liquid crystal layer includes nematic liquid crystal molecules that are continuously twisted from the first substrate to the second substrate.
    Type: Application
    Filed: November 16, 2015
    Publication date: July 14, 2016
    Inventors: Jae Hong PARK, Sung-Jae YUN, Ki Chul SHIN, Hyeok Jin LEE
  • Publication number: 20160202577
    Abstract: There is provided a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode. The first subpixel electrode includes a first cross stem portion positioned in a first subpixel region and first minute branches extending from the first cross stem portion, and includes first and second body portions that are positioned in a third subpixel region and separated from each other, and a plurality of first and second slit portions that extend from the first and second body portions, respectively. The second subpixel electrode includes a second cross stem portion positioned in a second subpixel region and second minute branches that extend from the second cross stem portion, and includes a third cross stem portion positioned in a third subpixel region and third minute branches that extend from the third cross stem portion.
    Type: Application
    Filed: June 10, 2015
    Publication date: July 14, 2016
    Inventors: Jae Hoon JUNG, Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Ki Chul SHIN
  • Publication number: 20160202568
    Abstract: Provided is a liquid crystal display including: a first insulation substrate; a thin film transistor positioned on the first insulation substrate; a first subpixel electrode positioned on the thin film transistor and to which a first voltage is applied; a second subpixel electrode positioned on the thin film transistor and to which a second voltage is applied; a second insulation substrate facing the first insulation substrate; a common electrode positioned on the second insulation substrate and receiving a common voltage; and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate, in which the first subpixel electrode includes a plate region and a minute branch region overlapping the plate region with a passivation layer between the plate region and the minute branch region, and the plate region and the second subpixel electrode are positioned on a same layer.
    Type: Application
    Filed: October 20, 2015
    Publication date: July 14, 2016
    Inventors: Se Hyun LEE, Ka Eun KIM, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN
  • Publication number: 20160202585
    Abstract: A liquid crystal display includes: a substrate; a gate line, a data line, a first storage electrode line, and a second storage electrode line positioned on the substrate; a first thin film transistor, a second thin film transistor, and a third thin film transistor connected to the gate line and the data line; a fourth thin film transistor connected to the gate line, the third thin film transistor, and the second storage electrode line; a first subpixel electrode connected to the first thin film transistor; a second subpixel electrode connected to the second thin film transistor; a third subpixel electrode connected to the third thin film transistor; and a storage electrode connected to the first storage electrode line and overlapping the first subpixel electrode. Different voltages are applied to the three subpixels to improve lateral visibility of the liquid crystal display.
    Type: Application
    Filed: September 9, 2015
    Publication date: July 14, 2016
    Inventors: Jae Hoon JUNG, Hoon KIM, Heung Shik PARK, Ki Chul SHIN, Ji Phyo HONG
  • Publication number: 20160202569
    Abstract: A liquid crystal display (LCD) may include: a lower display panel having a pixel electrode positioned therein, the pixel electrode including one or more pixel unit electrodes; an upper display panel having a common electrode positioned therein, the common electrode including one or more common unit electrodes; and a liquid crystal layer positioned between the lower display panel and the upper display panel. The pixel unit electrode may include a plate part and fine branches extending from the plate part, the common unit electrode may include a cross-shaped opening, and a vertical opening of the cross-shaped opening is completely covered by the plate part without extending to an edge of the polygonal shape of the plate part.
    Type: Application
    Filed: December 11, 2015
    Publication date: July 14, 2016
    Inventors: Se Hyun LEE, Cheol SHIN, Hak Sun CHANG, Ka Eun KIM, Ki Chul SHIN
  • Publication number: 20160202566
    Abstract: An optical modulation device includes a first plate, a second plate, and a liquid crystal layer. The first plate includes a first substrate, a lower plate electrode formed on the first substrate, a first electrode layer, and a first aligner. The first electrode layer and the first aligner are formed on the lower plate electrode. The second plate faces the first plate. The second plate includes an upper plate electrode and a second aligner. The liquid crystal layer is disposed between the first plate and the second plate. The liquid crystal layer includes a plurality of liquid crystal molecules. An alignment direction of the first aligner and an alignment direction of the second aligner are substantially parallel with each other.
    Type: Application
    Filed: August 4, 2015
    Publication date: July 14, 2016
    Inventors: SU JIN KIM, Suk Choi, Sung Hwan Hong, Ki Chul Shin, Hyeok Jin Lee
  • Publication number: 20160195783
    Abstract: There is provided a liquid crystal display, including: a first substrate; a plurality of pixel electrodes comprising a pixel electrode disposed on the first substrate and including a plate-like electrode having a plate shape and a plurality of minute branches extending from a side of the plate-like electrode to the outside; a second substrate facing the first substrate; a plurality of common electrodes comprising a common electrode disposed below the second substrate and including a plurality of minute branches positioned to correspond to the plate-like electrode of the pixel electrode and the plate-like electrode positioned to corresponding to the plurality of minute branches of the pixel electrode; and a liquid crystal layer disposed between the first substrate and the second substrate.
    Type: Application
    Filed: June 10, 2015
    Publication date: July 7, 2016
    Inventors: Dong Han SONG, Ki Chul SHIN
  • Publication number: 20160195781
    Abstract: A liquid crystal display device includes: a first substrate; a pixel electrode formed on the first substrate; a second substrate corresponding to the first substrate; and a common electrode formed on the second substrate. The pixel electrode includes: a central electrode, an outer portion connected to the central electrode and extending along an edge of the pixel electrode; and a fine branch portion extending from a side of the central electrode and spaced apart from the outer portion, wherein a cross-shaped opening is formed in the common electrode.
    Type: Application
    Filed: December 31, 2015
    Publication date: July 7, 2016
    Inventors: Se Hyun Lee, Cheol Shin, Hak Sun Chang, Ka Eun Kim, Ki Chul Shin
  • Publication number: 20160197195
    Abstract: A liquid crystal display includes a first gate line, a first data line, and a first pixel. The first pixel includes: a first subpixel including a first thin film transistor connected to the first gate line and data line, and a first liquid crystal capacitor, wherein a first terminal of the first liquid crystal capacitor is electrically connected to the first thin film transistor and a second terminal of the first liquid crystal capacitor is configured to receive a common voltage; and a second subpixel including a second thin film transistor connected to the first gate line and data line, a second liquid crystal capacitor, wherein a first terminal of the second liquid crystal capacitor is configured to receive the common voltage, and a thin film transistor resistor electrically connected between the second thin film transistor and a second terminal of the second liquid crystal capacitor.
    Type: Application
    Filed: June 29, 2015
    Publication date: July 7, 2016
    Inventors: Jae Hoon JUNG, Heung Shik PARK, Ki Chul SHIN, Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG