Patents by Inventor Dong-Chul Shin

Dong-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: 20170235195
    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: Application
    Filed: January 11, 2017
    Publication date: August 17, 2017
    Inventors: Dong Han SONG, Su Jin KIM, Dong Chul SHIN, Ki Chul SHIN, Ho Kil OH
  • Patent number: 9720282
    Abstract: A liquid crystal display device includes a first substrate, a first alignment layer on the first substrate, a second substrate facing the first substrate, a second alignment layer on the second substrate, and a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules. The first alignment layer and the second alignment layer include a polymer including at least of polyamic acid, polyimide, and a combination including at least one of the foregoing polymers, and a compound including an epoxy cross-linker represented by Chemical Formula 1.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heungshik Park, Jooyoung Yoon, Dong-Chul Shin, Kichul Shin, Sung-Jae Yun, Hyeokjin Lee
  • Patent number: 9709852
    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: Grant
    Filed: February 22, 2016
    Date of Patent: July 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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
  • Publication number: 20170146832
    Abstract: A liquid crystal display includes: a display panel including first and second substrates opposite to each other, and a liquid crystal layer disposed between the first and second substrates; a reflective polarizer disposed outside the first substrate; and a backlight unit disposed outside the first substrate to provide light to the display panel, where the liquid crystal layer includes liquid crystal molecules and dichroic dye molecules, and the liquid crystal layer has a first arrangement state in which the liquid crystal molecules and the dichroic dye molecules are arranged at random.
    Type: Application
    Filed: August 29, 2016
    Publication date: May 25, 2017
    Inventors: Dong Han SONG, Su Jin KIM, Ki Chul SHIN, Dong Chul SHIN
  • Patent number: 9594279
    Abstract: Provided is a liquid crystal display, including: 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 liquid crystal layer including a plurality of liquid crystal molecules, in which the common electrode includes a cross-shaped cutout, the cross-shaped cutout overlapping the pixel electrode and dividing the pixel electrode into a plurality of subregions, and the pixel electrode includes a direction controller extend in a direction parallel to a line connecting an intersecting point of the cross-shaped cutout and a pixel corner edge opposing the intersecting point.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyung Guen Yoon, Sung-Jae Yun, Oh Jeong Kwon, Jae Hong Park, Jin Won Kim, Kyung Hae Park, Dong-Chul Shin
  • Publication number: 20170066968
    Abstract: A composition for an alignment layer includes a polyimide-based compound including a polymerization initiator coupled to a side chain of the polyimide-based compound.
    Type: Application
    Filed: February 19, 2016
    Publication date: March 9, 2017
    Inventors: Taek Joon LEE, Oh Jeong KWON, Dong Han SONG, Ki Chul SHIN, Dong Chul SHIN, Hyeok Jin LEE
  • Patent number: 9588376
    Abstract: A liquid crystal display includes a first substrate, a second substrate disposed opposite to the first substrate; a pixel electrode disposed on 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, where a first cutout having a cross shape is defined in the common electrode, a second cutout is defined in the pixel electrode to be adjacent to and along an edge of the pixel electrode, and the pixel electrode has a step structure, a boundary line of which is in a rhombus shape.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: March 7, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Chul Shin, Jae Hong Park, Oh Jeong Kwon, Ki Chul Shin, Sung-Jae Yun, Hyeok Jin Lee
  • Patent number: 9568785
    Abstract: A liquid crystal display includes a first substrate, a pixel electrode which is disposed on the first substrate and includes a first subpixel electrode which is disposed at a pixel area and includes a plurality of first branch electrodes, and a second subpixel electrode which is separated from the first subpixel electrode, disposed at an outer edge of the pixel area, encloses the first subpixel electrode and includes a plurality of second branch electrodes, 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, where a first voltage applied to the first subpixel electrode is larger than a second voltage applied to the second subpixel electrode.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Oh Jeong Kwon, Heung Shik Park, Hyeok Jin Lee, Jae Hong Park, Dong-Chul Shin, Su Jin Kim, Ki Chul Shin, Sung-Jae Yun, Joo Young Yoon
  • Publication number: 20170023837
    Abstract: A display device includes: a substrate; a gate line disposed on the substrate and extending in a first direction; a data line insulated from the gate line and extending in a second direction intersecting the first direction; a pixel electrode disposed in a pixel region defined by the gate line and the data line; a source electrode connected to the data line; a drain electrode spaced apart from the source electrode; and a color filter layer disposed on the data line, the source electrode, and the drain electrode. The color filter layer includes: a first contact hole exposing the drain electrode, and a second contact hole disposed over at least one of the source electrode and the drain electrode. The pixel electrode is disposed on the color filter layer and is connected to the drain electrode through the first contact hole.
    Type: Application
    Filed: February 22, 2016
    Publication date: January 26, 2017
    Inventors: Dong Chul SHIN, Jin Won KIM, Oh Jeong KWON, Dong Han SONG, Taek Joon LEE, Ki Chul SHIN, Hyeok Jin LEE
  • Publication number: 20170003549
    Abstract: A liquid crystal display includes: a first panel including a first electrode; a second panel including a second electrode; and a liquid crystal layer between the first and second panels. The first electrode includes: a central electrode disposed in a central region of a pixel; an outer electrodes extending along a side of the central electrode; and a connection electrode which connects the outer electrode and the central electrode. A slit pattern is defined in the first electrode around the central electrode, and a liquid crystal control pattern is defined in the first electrode in a corner region of the pixel. Horizontal and vertical incisions, which divide the first electrode into a plurality of domains, are defined in the second electrode, an end portion of the outer electrode is disposed to correspond to the corner region, and the end portion of the outer electrode extends farther than the central electrode.
    Type: Application
    Filed: June 13, 2016
    Publication date: January 5, 2017
    Inventors: Se Hyun LEE, Ik Han OH, Youn Hak JEONG, Ki Pyo HONG, Wan NAMGUNG, Ho Jun LEE, Dong Chul SHIN
  • Patent number: 9529231
    Abstract: The present invention relates to a liquid crystal display that can improve an aperture ratio and liquid crystal control ability. A liquid crystal display according to an exemplary embodiment of the present invention includes: a first substrate and a second substrate which face each other; a pixel electrode disposed on 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, in which the common electrode has a first cutout having a cross shape, and the pixel electrode includes a first subpixel electrode having a rhombus shape, a second subpixel electrode surrounding the first subpixel electrode, a second cutout disposed close to and along at least one of the edges of the second subpixel electrode, and a third cutout spacing the first subpixel electrode and the second subpixel electrode.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh Jeong Kwon, Hyeok Jin Lee, Dong-Chul Shin, Jae Hong Park, Sung-Jae Yun, Ki Chul Shin, Seung Wook Nam
  • Patent number: 9500914
    Abstract: Provided is a liquid crystal display apparatus. The liquid crystal display apparatus may include a first pixel electrode, a second pixel electrode, a common electrode, and a liquid crystal layer. The first pixel electrode is disposed in a first area, and includes a plurality of outer branches spaced apart from each other. The second pixel electrode is disposed in a second area spaced apart from the first area with an electrode gap therebetween and surrounded by the first area, and includes a plurality of middle branch portions spaced apart from each other. An extending direction of the electrode gap forms one of an acute angle or an obtuse angle with an extending direction of each of the outer branch portions, and the extending direction of the electrode gap forms one of an acute angle or an obtuse angle with an extending direction of each of the middle branch portions.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hong Park, Ohjeong Kwon, Dong-Chul Shin, Heungshik Park, Hyeokjin Lee, Kichul Shin
  • 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
  • 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
  • Publication number: 20160266420
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first insulation substrate and a pixel electrode 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 facing the first insulation substrate. A second alignment layer is disposed on a surface of the common electrode facing 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. One of the first alignment layer and the second alignment layer has an electron-rich group and the other has an electron-deficient group.
    Type: Application
    Filed: January 15, 2016
    Publication date: September 15, 2016
    Inventors: HYEOK JIN LEE, OH JEONG KWON, DONG HAN SONG, SUNG-JAE YUN, SU JIN KIM, JIN WON KIM, Kl CHUL SHIN, DONG-CHUL SHIN
  • 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: 9411206
    Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
  • 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