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: 20180224701
    Abstract: A display device including a first substrate, a pixel unit disposed on the first substrate and including a first sub-pixel electrode, a second sub-pixel electrode and a third sub-pixel electrode, the first through third sub-pixel electrodes being adjacent to one another, a second substrate facing the first substrate, a first wavelength conversion layer disposed on a surface of the second substrate facing the first substrate, and overlapping the first sub-pixel electrode, a second wavelength conversion layer disposed on the surface of the second substrate facing the first substrate, and overlapping the second sub-pixel electrode, a transmissive layer disposed on the surface of the second substrate facing the first substrate, and overlapping the third sub-pixel electrode, a first cholesteric liquid crystal layer disposed on a surface of the first wavelength conversion layer facing the first substrate, a second cholesteric liquid crystal layer disposed on a surface of the second wavelength conversion layer facin
    Type: Application
    Filed: August 18, 2017
    Publication date: August 9, 2018
    Inventors: Ki Chul Shin, Ho Kil Oh
  • Patent number: 10031379
    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: Grant
    Filed: December 31, 2015
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Hyun Lee, Cheol Shin, Hak Sun Chang, Ka Eun Kim, Ki Chul Shin
  • Patent number: 10031389
    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: Grant
    Filed: September 9, 2015
    Date of Patent: July 24, 2018
    Assignee: Samsung Display Co. Ltd.
    Inventors: Jae Hoon Jung, Hoon Kim, Heung Shik Park, Ki Chul Shin, Ji Phyo Hong
  • Patent number: 10031380
    Abstract: A liquid crystal display device includes: a first substrate; a pixel electrode including a first sub-pixel electrode and disposed on the first substrate; a second substrate facing the first substrate; and a common electrode including an electric field forming portion and a first slit portion, and disposed on the second substrate. The electric field forming portion includes a transparent conductive material. The first slit portion includes a first stem portion extending in a first direction, a second stem portion extending in a second direction different from the first direction and crossing the first stem portion, and a branch portion extending in the first direction and located on at least one of two opposing sides in a longitudinal direction of the second stem portion. Each of the first stem portion and the branch portion has a linear shape surrounded by the electric field forming portion.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: July 24, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Hoon Kim, Ki Chul Shin, Ho Kil Oh
  • Patent number: 10026369
    Abstract: A liquid crystal display having a curved surface includes: a display panel including a first display panel, a second display panel, and a liquid crystal layer interposed therebetween and including liquid crystal molecules. The first display panel includes a first substrate on which a plurality of gate lines and data lines are formed, a first electrode, and a pixel electrode. The second display panel includes a second substrate facing the first substrate and a second electrode. The liquid crystal display further includes a common voltage supplier applying two voltages having a predetermined voltage difference to the first and second electrodes within a period before a frame displaying an image on the display panel; a gate driver applying a gate signal to each of the gate lines after the period; and a data driver applying a data voltage to the pixel electrode corresponding to the gate signal.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: July 17, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Jae Yun, Dong Han Song, Ki Chul Shin, Hyeok Jin Lee
  • Patent number: 10002890
    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: Grant
    Filed: February 16, 2016
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hoon Kim, Ki Chul Shin, Jae Jin Lyu
  • Patent number: 9995973
    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: Grant
    Filed: December 18, 2015
    Date of Patent: June 12, 2018
    Assignee: Samsung Display Co., Ltd.
    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: 20180157131
    Abstract: A liquid crystal display device includes a first substrate, a pixel electrode which is disposed on the first substrate and comprises a first sub-pixel electrode and a second sub-pixel electrode adjacent to the first sub-pixel electrode along a first direction, and a shielding electrode which is disposed on the same layer as the pixel electrode and comprises a first area having a first width and a second area having a second width which is smaller than the first width along a second direction which crosses the first direction, and the first sub-pixel electrode may be adjacent to the first area along the second direction, and the second sub-pixel electrode may be adjacent to the second area along the second direction.
    Type: Application
    Filed: November 2, 2017
    Publication date: June 7, 2018
    Inventors: Ho Kil OH, Hoon KIM, Ki Chul SHIN
  • Patent number: 9989815
    Abstract: A liquid crystal display device includes an insulating substrate, a data line disposed on the insulating substrate and extended in a first direction, a plurality of pixel electrodes which is disposed on the insulating substrate and in which a slit pattern is defined, a common electrode facing the pixel electrodes, and a liquid crystal layer interposed between the pixel electrodes and the common electrode, where each of the pixel electrodes includes an edge electrode portion and a plurality of branch electrode portions protruding in a direction toward a central portion of the pixel electrode from the edge electrode portion, and at least a portion of the edge electrode portion overlaps the data line.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: June 5, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Gyun Kim, Heung Shik Park, Kyung Min Kim, Hoon Kim, Ki Chul Shin
  • Patent number: 9971209
    Abstract: A liquid crystal display includes a first substrate, a gate line the first substrate, an insulating layer the gate line, and pixel electrodes the insulating layer, where the pixel electrodes include a first pixel electrode, a second pixel electrode, and a third pixel electrode neighboring to each other, each of the first pixel electrode, the second pixel electrode, and the third pixel electrode includes a vertical stem part, a horizontal stem part, and fine branch parts extended from each horizontal stem part and each vertical stem part to both opposite sides in a diagonal direction, the fine branch parts of the first pixel electrode are alternately branched to the both opposite sides of the horizontal stem part and the vertical stem part, and the second pixel electrode and the third pixel electrode include an outer side part enclosing an edge of each pixel electrode.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Cheol Shin, Hak Sun Chang, Ki Chul Shin
  • Patent number: 9964814
    Abstract: A liquid-crystal display device includes a first substrate and a second substrate including pixels, a liquid-crystal layer interposed between the first and second substrates, pixel electrodes disposed on the first substrate, each of the pixel electrodes disposed in a pixel region of the respective pixels, and a common electrode overlapping the pixel electrodes, where each of the pixel electrodes includes, a stem electrode extended in a first direction and in a second direction intersecting the first direction to divide the pixel region into quadrants, the quadrants corresponding to first to fourth domains, respectively, first branch electrodes, second branch electrodes, third branch electrodes, a first in-between electrode, and a second in-between electrode, and where widths of the first to third branch electrodes are equal to one another, and widths of the first and second in-between electrodes increase as farther from the stem electrode.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: May 8, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dong Han Song, Su Jin Kim, Dong Chul Shin, Ki Chul Shin, Ho Kil Oh
  • Patent number: 9958739
    Abstract: A liquid crystal display includes an insulation substrate, a plurality of pixels disposed on the insulation substrate, where each pixel has a shape elongated in a horizontal direction, and includes a thin film transistor formation region and a display area; and a reference voltage line extending in a vertical direction along a center of the display area, where the display area includes a single high-gray subpixel area and two low-gray subpixel areas, and the single high-gray subpixel area is positioned between the two low-gray subpixel areas.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: May 1, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Shin, Hak Sun Chang, Jang Wi Ryu, Jae-Soo Jang, Ki Chul Shin, Seong Young Lee
  • Publication number: 20180101072
    Abstract: A liquid-crystal display device includes: a substrate; and an insulation film disposed on the substrate and which includes a flat portion and a projection pattern unit protruding from the flat portion in a direction perpendicular to the flat portion; and a pixel electrode disposed on the substrate. The pixel electrode includes a first stem electrode and a second stem electrode extending along a first direction and disposed to be spaced apart from the first stem in a second direction perpendicular to the first direction, and a plurality of branch electrode extending from the first stem electrode and the second stem electrode, and the projection pattern unit includes a first projection pattern extending along the first direction and partially overlapping the first stem electrode, and a second projection pattern extending along the first direction and partially overlapping the second stem electrode.
    Type: Application
    Filed: May 26, 2017
    Publication date: April 12, 2018
    Inventors: IsraelEsteban LAZO, Heung Shik PARK, Ki Chul SHIN
  • Patent number: 9939691
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate; a gate line formed on the first substrate; an insulating layer formed on the gate line; and a first subpixel electrode and a second subpixel electrode that are formed on the insulating layer. Each of the first subpixel electrode and the second, subpixel electrode includes a first subregion and a second subregion. At least one of the first subregion and the second subregion includes a vertical stem, a horizontal stem extending from a middle of the vertical stem, and a plurality of minute branches laterally extending in a diagonal direction from the horizontal stem. The plurality of minute branches laterally extending from the horizontal stem are alternately branched with reference to the horizontal stem.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: April 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Shin, Hak Sun Chang, Ka Eun Kim, Se Hyun Lee, Ki Chul Shin
  • Patent number: 9927665
    Abstract: A liquid crystal display is divided into a first region and a second region by a virtual central line that passes through a central point of the LCD and extends along a first direction, where the first region comprises a plurality of dots, each comprising a first pixel, a second pixel and a third pixel displaying different colors, wherein the plurality of dots are repeatedly arranged along a second direction intersecting the first direction and comprise a first dot and a second dot, wherein a first distance between the first pixel of the first dot and the central line is greater than a second distance between the first pixel of the second dot and the central line, and the area of the first pixel of the first dot is less than that of the first pixel of the second dot.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Ka Eun Kim, Ki Chul Shin
  • Patent number: 9921434
    Abstract: A liquid crystal display device includes, a first insulation substrate, a first subpixel electrode disposed on the first insulation substrate, an insulation layer disposed on the first subpixel electrode, a second subpixel electrode disposed on the insulation layer, a liquid crystal layer disposed on the second subpixel electrode, a common electrode disposed on the liquid crystal layer, and a second insulation substrate disposed on the common electrode. In the liquid crystal display device, the second subpixel electrode and the common electrode are spaced apart by a second distance in a second region in which the second subpixel electrode is disposed, the first subpixel electrode and the common electrode are spaced apart by a first distance in a first region in which the first subpixel electrode is disposed, excluding the second region, and the first distance and the second distance are different from each other.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: March 20, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Hoon Kim, Kyeong Jong Kim, Ki Chul Shin
  • Patent number: 9921423
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes: a first substrate; a thin film transistor disposed on the first substrate; a passivation layer disposed on the thin film transistor and including a first portion and a second portion thicker than the first portion; a first sub-pixel electrode and a second sub-pixel electrode disposed on the passivation layer, spaced apart from each other, and positioned on one pixel region; a second substrate facing the first substrate; and a liquid crystal layer positioned between the first substrate and the second substrate, wherein the first sub-pixel electrode is disposed on the second portion of the passivation layer, and the second sub-pixel electrode is disposed on the first portion of the passivation layer.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: March 20, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Jae Yun, Heung Shik Park, Oh Jeong Kwon, Ki Chul Shin
  • Publication number: 20180059487
    Abstract: A display device includes: a display panel including an insulating substrate, a first electrode disposed on the insulating substrate, and a second electrode disposed on the insulating substrate and disposed to be insulated from the first electrode; a liquid crystal layer disposed on the display panel; and an alignment-inducing layer disposed between the display panel and the liquid crystal layer, wherein the alignment-inducing layer includes a compound having a structure represented by Chemical Formula 1-A: In Chemical Formula 1-A above, R1 is a hydrophilic group, R2 is a hydrogen atom, and A is an alkylene group of 1 to 20 carbon atoms, an alkyleneoxy group of 1 to 20 carbon atoms, or a single bond.
    Type: Application
    Filed: February 22, 2017
    Publication date: March 1, 2018
    Inventors: Heung Shik PARK, Shin Woong KANG, Ki Chul SHIN, Myong Hoon LEE
  • Publication number: 20180052361
    Abstract: A display device includes a display area and a seal area which surrounds the display area. The display device includes a first display substrate, a second display substrate facing the first display substrate; and a sealant disposed between the first display substrate and the second display substrate, in the seal area. The first display substrate has a first base substrate, a first polarizing element including a plurality of first linear patterns extending along a first direction on the first base substrate, and a first protective layer on the first polarizing element and including a first opening. The sealant covers the first opening. Adjacent first linear patterns are separated from each other along a second direction, intersecting the first direction, by a first gap and the first opening exposes at least one first gap in the seal area.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 22, 2018
    Inventors: Jae Soo JANG, Ki Chul SHIN, Dae Hwan JANG
  • Publication number: 20180046038
    Abstract: A liquid crystal display device includes a pixel electrode having a stem electrode in a first direction and a plurality of branch electrode extending from the stem electrode. An angle between the stem electrode and each of the branch electrode increases as the branch electrodes approach a center of the stem electrode and the angle decreases as the branch electrodes approach an end of the stem electrode.
    Type: Application
    Filed: April 10, 2017
    Publication date: February 15, 2018
    Inventors: Israel Esteban LAZO, Heung Shik PARK, Ki Chul SHIN