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: 20160321978
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a plurality of pixels including a plurality of pixel electrodes formed on a first substrate and including first domain division means, and a common electrode formed on a second substrate that faces the first substrate and including second domain division means; a gate driver and a data driver connected to the plurality of pixels; and a compensation controller connected to the data driver, the compensation controller transmits compensation voltages to the data driver, wherein, when viewed on the same plane, distances between the first domain division means and the second domain division means are changed according to a location of the plurality of pixels, and wherein the compensation voltages are changed corresponding to the distances between the first domain division means and the second domain division means.
    Type: Application
    Filed: April 13, 2016
    Publication date: November 3, 2016
    Inventors: Hak Sun CHANG, Cheol SHIN, Ki Chul SHIN
  • Patent number: 9482909
    Abstract: A liquid crystal display according to an embodiment includes: a lower panel including a pixel electrode having a first subpixel electrode and a second subpixel electrode and an insulating layer between the first subpixel electrode and the second subpixel electrode; an upper panel including a common electrode; and a liquid crystal layer disposed between the lower panel and the upper panel. The first subpixel electrode includes a first plate portion, a first stem having a cross portion extending from the first plate portion and a protrusion extending from the cross portion, and a plurality of first branches extending from the first plate portion and the first stem. The second subpixel electrode includes a second plate portion having an opening and a plurality of second branches extending from the second plate portion. The cross portion does not overlap with the second plate portion. The protrusion overlaps with the second plate portion.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: November 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Hak Sun Chang, Ki Chul Shin, Jang Wi Ryu, Cheol Shin, Ho Kil Oh
  • Publication number: 20160313594
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, 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 third TFT connected to the second TFT, a second subpixel electrode connected to the third TFT, and a liquid crystal layer interposed between the first substrate and the second substrate.
    Type: Application
    Filed: November 6, 2015
    Publication date: October 27, 2016
    Inventors: Hoon KIM, Hyun Joon KIM, Ki Chul SHIN
  • Patent number: 9470934
    Abstract: A liquid crystal display includes: a lower panel electrode including a lower panel unit electrodes; an upper panel electrode including an upper panel unit electrodes facing the lower panel unit electrodes; and a liquid crystal layer disposed between the lower panel electrode and the upper panel electrode, in which the lower panel unit electrode includes a stem portion which defines a boundary between a plurality of sub-regions therein, a center pattern disposed at a center of the stem portion and in which overlaps the sub-regions, and a plurality of micro branch portions which extends from the center pattern, where extending directions of the micro branch portions in different regions are different from each other, and an end portion of the micro branch portions is extended in a direction different from an extending direction thereof.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Ho Kil Oh
  • Publication number: 20160299397
    Abstract: A liquid crystal display includes a first substrate, a gate line and a data line disposed on the first substrate, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a first subpixel electrode connected to the first thin film transistor, a resistor connected to the second thin film transistor and a resistance of the resistor is changed by a pulsed gate-on signal applied to the gate line, and a second subpixel electrode connected to the resistor.
    Type: Application
    Filed: September 18, 2015
    Publication date: October 13, 2016
    Inventors: Jae Hoon JUNG, Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Heung Shik PARK, Ki Chul SHIN
  • Patent number: 9465265
    Abstract: A liquid crystal display (LCD) pixel includes a first substrate, a first electrode and a second electrode disposed on the first substrate, an insulation layer configured to overlap at least a portion of the first electrode and the second electrode, a first slit electrode and a second slit electrodes disposed on the insulation layer, a second substrate disposed across from the first substrate, an upper-plate common electrode disposed on the second substrate, and a liquid crystal layer interposed between the slit electrodes and the upper-plate common electrode. The LCD pixel driven by a plurality of regions in which different vertical electric fields are generated based on arrangements of at least one of the first electrode, the second electrode, the first slit electrode, the second slit electrode, and the upper-plate common electrode.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: October 11, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su-Jeong Kim, Hoon Kim, Ki-Chul Shin, Dan-Bi Yang
  • Publication number: 20160291409
    Abstract: A liquid crystal display includes: a lower display substrate; an upper display substrate facing the lower display substrate; and a liquid crystal layer disposed between the lower display substrate and the upper display substrate and including liquid crystal molecules. The lower display substrate includes a pixel electrode disposed on a first base substrate; and a cross-shaped auxiliary electrode disposed overlapping the pixel electrode on the first base substrate. The upper display substrate includes a common electrode disposed on a second base substrate.
    Type: Application
    Filed: October 23, 2015
    Publication date: October 6, 2016
    Inventors: Dong-Chul SHIN, Su Jin KIM, Jin Won KIM, Ki Chul SHIN, Hyeok Jin LEE
  • Publication number: 20160291410
    Abstract: A liquid crystal display includes a first substrate, a first pixel electrode disposed on the first substrate, a second pixel electrode overlapping the first pixel electrode, having an insulating layer disposed therebetween, wherein the second pixel electrode includes a plate-like part having an integrated shape, a plurality of branch electrodes extending from the plate-like part, and a cruciform cutout including a horizontal part and a vertical part intersecting each other at a center of the plate-like part, and the first pixel electrode includes a cruciform stem electrode having a horizontal stem and a vertical stem intersecting each other at the center.
    Type: Application
    Filed: November 11, 2015
    Publication date: October 6, 2016
    Inventors: Se Hyun LEE, Ka Eun KIM, Cheol SHIN, Hak Sun CHANG, Ki Chul SHIN
  • Publication number: 20160291383
    Abstract: A liquid crystal display device includes: a first substrate for which a single pixel includes: first, second and third thin film transistors on the first substrate; a pixel electrode including a first subpixel electrode and a second subpixel electrode which are connected to the first thin film transistor and the second thin film transistor, respectively; and a divided reference voltage line connected to the third thin film transistor; a second substrate facing the first substrate; a common electrode on the second substrate; and a liquid crystal layer between the pixel electrode and the common electrode and including liquid crystal molecules. The third thin film transistor includes an electrically floating gate electrode, a source electrode defined by an extended portion of a terminal of the second thin film transistor, and a drain electrode defined by an extended portion of the divided reference voltage line.
    Type: Application
    Filed: October 8, 2015
    Publication date: October 6, 2016
    Inventors: Min-Joo HAN, Dan Bi YANG, Ji Phyo HONG, Ki Chul SHIN
  • Patent number: 9459499
    Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode on the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the common electrode includes a first cutout portion, and the pixel electrode includes a first sub-pixel electrode, a second sub-pixel electrode surrounding the first sub-pixel electrode, a second cutout portion adjacent to at least one of edges of the second sub-pixel electrode and disposed along the edges, and a third cutout portion isolating the first sub-pixel electrode from the second sub-pixel electrode, and the first sub-pixel electrode and the second sub-pixel electrode are located at different heights.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 4, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Chul Shin, Jae-Hong Park, Ki-Chul Shin, Hyeok-Jin Lee
  • Publication number: 20160274417
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display including a first insulation substrate. A pixel electrode is disposed on the first insulation substrate. A first alignment layer is disposed on the pixel electrode. A second insulation substrate faces the first insulation substrate. A common electrode is disposed on a surface of the second insulation substrate, which the surface of the second insulation substrate faces the first insulation substrate. A second alignment layer is disposed on a surface of the common electrode, which the surface of the common electrode faces the first insulation substrate. A liquid crystal layer is disposed between the first alignment layer and the second alignment layer. The liquid crystal layer includes liquid crystal molecules. Liquid crystal molecules adjacent to at least one of the first alignment layer and the second alignment layer have a pre-tilt angle.
    Type: Application
    Filed: November 18, 2015
    Publication date: September 22, 2016
    Inventors: JIN WON KIM, OH JEONG KWON, SU JIN KIM, DONG HAN SONG, KI CHUL SHIN, DONG-CHUL SHIN, SUNG-JAE YUN, HYEOK JIN LEE
  • Patent number: 9448444
    Abstract: A display device includes: a first insulation substrate; an insulating layer disposed on the first insulation substrate; a pixel electrode including a first subpixel electrode including a first subregion electrode disposed on the insulating layer and a second subregion electrode disposed below the insulating layer, and a second subpixel electrode disposed on the insulating layer, wherein a first voltage is applied to the first subpixel electrode and a second voltage is applied to the second subpixel; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate and configured to receive a common voltage, wherein the second subregion electrode overlaps a portion of the second subpixel electrode.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: September 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dan Bi Yang, Hyo Sik Kim, Ki Chul Shin, Jae Hoon Jung, Min Ju Han, Ji Phyo Hong
  • Publication number: 20160266446
    Abstract: A liquid crystal display of the present system and method includes: a lower substrate including a plurality of pixel areas; an upper substrate formed with a common electrode; a liquid crystal layer interposed between the lower substrate and the upper substrate; and first and second pixel electrodes respectively positioned in a plurality of pixel areas, wherein the second pixel electrode is positioned in a region including a center axis of each pixel area, and the first pixel electrode is positioned in a left side and a right side of the second pixel electrode.
    Type: Application
    Filed: September 10, 2015
    Publication date: September 15, 2016
    Inventors: Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Dong Han SONG, Ki Chul SHIN, Jae Hoon JUNG
  • Publication number: 20160259211
    Abstract: A curved liquid crystal display includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a second alignment layer between the second substrate and the liquid crystal layer. The first alignment layer and the second alignment layer respectively include a polymer having at least one main chain and a plurality of side chains connected to the main chain, and at least one of the polymer of the first alignment layer and the polymer of the second alignment layer includes at least one side chain including at least one of a photo-reactor and a photo-reactor derivative.
    Type: Application
    Filed: February 22, 2016
    Publication date: September 8, 2016
    Inventors: Hyeok Jin LEE, Oh Jeong KWON, Su Jin KIM, Jin Won KIM, Dong Han SONG, Ki Chul SHIN, Dong-Chul SHIN, Sung-Jae YUN
  • Patent number: 9436052
    Abstract: A liquid crystal display includes: a first and second substrates disposed opposite to each other; a gate line and a divided reference voltage line on the first substrate; a gate insulating layer on 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; and a common electrode on the second substrate, where the divided reference voltage line and the data line are connected to a data driving line extension and a divided reference voltage driving line extension at a side of the first substrate, a common voltage driving line extension is at a side of the first substrate, the divided reference, common and data voltage driving line extensions are linearly connected to each other through resistors having different resistances.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh Jeong Kwon, Dong-Chul Shin, Hyeok Jin Lee, Ki Chul Shin
  • Patent number: 9437625
    Abstract: A display panel includes a first pixel electrode electrically connected to a first switching electrode, and includes a plurality of first branches forming micro slits, a second pixel electrode electrically connected to a second switching electrode, and including a plurality of second branches forming micro slits, and a third pixel electrode electrically connected to a third switching electrode, and including a plurality of third branches forming micro slits. The first branches are spaced apart from each other by a first space, and have a first width. The second branches are spaced apart from each other by a second space, and have a second width. The third branches are spaced apart from each other by a third space, and have a third width. At least one of the first width, the second width and the third width is different from the other widths.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ka-Eun Kim, Jang-Wi Ryu, Ho-Kil Oh, Se-Hyun Lee, Ki-Chul Shin
  • 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: 20160246133
    Abstract: A liquid crystal including: a first substrate; a pixel electrode disposed on the first substrate and including a first subpixel electrode and a second subpixel electrode disposed in one pixel area; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, wherein an area of a region occupied by the first subpixel electrode is less than an area of a region occupied by the second subpixel electrode. Each of the first and second subpixels has a cross-shaped stem and minute branches extending from it to improve side visibility quality and gray scale uniformity.
    Type: Application
    Filed: May 2, 2016
    Publication date: August 25, 2016
    Inventors: Hak Sun Chang, Jang Wi Ryu, Ki Chul Shin, Jae-Soo Jang
  • Publication number: 20160246086
    Abstract: A liquid crystal display includes a first insulation substrate, a gate line, a data line configured to cross the gate line while being insulated therefrom, a thin film transistor connected to the gate line and the data line, a pixel electrode configured to include a first subpixel electrode connected to the thin film transistor and a second subpixel electrode, a second insulation substrate configured to face the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate to include a plurality of liquid crystal molecules, where each of the first subpixel electrode and the second subpixel electrode includes a unit pixel electrode including a plurality of minute branches that is extended from a horizontal stem and a vertical stem.
    Type: Application
    Filed: September 3, 2015
    Publication date: August 25, 2016
    Inventors: Su Wan WOO, Min Wook PARK, Young Goo SONG, Ki Chul SHIN
  • Patent number: 9423654
    Abstract: A liquid crystal display may include a first substrate, a second substrate facing the first substrate, a liquid crystal layer comprising liquid crystal molecules that are interposed between the first substrate and the second substrate, a first electrode disposed on the first substrate, an insulating layer disposed on the first electrode, a second electrode disposed on the insulating layer, a third electrode disposed on the second substrate, and an alignment layer disposed on any one of the second electrode and the third electrode. The second electrode comprises a fine slit structure, and at least one of the liquid crystal layer and the alignment layer comprises a sub-alignment substance.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: August 23, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gak-Seok Lee, Ki Chul Shin, Youn Hak Jeong, Hee Hwan Lee, Joo Seok Yeom