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).

  • Patent number: 10394089
    Abstract: A display substrate includes a base substrate, a switching device, and a pixel electrode including a first sub pixel electrode and a second sub pixel electrode. The first sub pixel electrode includes an internal electrode and an external electrode. The internal electrode includes a support electrode portion extending in a second direction, and a horizontal internal branch electrode portion extending in a first direction. The external electrode includes a horizontal external branch electrode portion disposed outside the internal electrode and extending in the first direction, and a vertical external branch electrode portion disposed outside the internal electrode and extending in the second direction. The second sub pixel electrode is adjacent to the first sub pixel electrode and has a shape symmetrical to the first sub pixel electrode.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taekyung Yim, Jang-Il Kim, Hoon Kim, Keunwoo Park, Dong-Chul Shin, Kichul Shin, Suwan Woo
  • Patent number: 10379408
    Abstract: A curved display device includes a display substrate, an opposite substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. The display substrate is curved along a first direction and includes a pixel electrode and a second alignment layer disposed on the pixel electrode. The opposite substrate is coupled to the display substrate to be curved along the first direction and includes a common electrode and a first alignment layer disposed on the common electrode. The first alignment layer comprises different material from the second alignment layer. The pixel electrode includes branch portions extending in a direction inclined with respect to the first direction when viewed in a plan view, and a pitch, which is defined by a sum of a width of each branch portion and a distance between the branch portions, is within a range from about 7.5 micrometers to about 8.5 micrometers.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyeokjin Lee, Ohjeong Kwon, Donghan Song, Sung-Jae Yun, Sujin Kim, Jinwon Kim, Kichul Shin, Dong-Chul Shin
  • Patent number: 10371988
    Abstract: A curved liquid crystal display including a first curved substrate; a second curved substrate; a liquid crystal layer including liquid crystal molecules having negative dielectric anisotropy, the liquid crystal layer being interposed between the first and second curved substrates; a first curved liquid crystal alignment layer interposed between the liquid crystal layer and the first curved substrate; and a second curved liquid crystal alignment layer interposed between the liquid crystal layer and the second curved substrate. The second curved liquid crystal alignment layer has an average value of surface roughness values greater than an average value of surface roughness values of the first curved liquid crystal alignment layer.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Han Song, Oh Jeong Kwon, Su Jin Kim, Jin Won Kim, Ki Chul Shin, Dong Chul Shin, Sung Jae Yun, Hyeok Jin Lee
  • Patent number: 10338435
    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: Grant
    Filed: November 18, 2015
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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: 20190179185
    Abstract: A display device according to an exemplary embodiment includes: a thin film transistor array panel including a first pixel electrode connected to a first thin film transistor a second pixel electrode adjacent to the first pixel electrode and connected to a second thin film transistor; and a color conversion display panel overlapping the thin film transistor array panel, wherein the color conversion display panel includes a color conversion layer including a semiconductor nanocrystal and a transmissive layer, the thin film transistor array panel includes a first shielding electrode positioned between the first pixel electrode and the second pixel electrode and a second shielding electrode positioned adjacent to the first pixel electrode and separated from the first shielding electrode, and different voltages are applied to the first shielding electrode and the second shielding electrode.
    Type: Application
    Filed: August 8, 2018
    Publication date: June 13, 2019
    Inventors: Ho Kil OH, Kyung Min KIM, Kyeong Jong KIM, Heung Shik PARK, Ki Chul SHIN, Dong-Chul SHIN, Jae-Soo JANG
  • Patent number: 10155763
    Abstract: The present invention provides a novel 2-pyridyl substituted imidazole derivative, or a pharmaceutically acceptable salt or solvate thereof, which selectively inhibits the transforming growth factor-? (TGF-?) type I receptor (ALK5) and/or the activin type I receptor (ALK4); a pharmaceutical composition comprising same as an active ingredient; and a use of the 2-pyridyl substituted imidazole derivative for the manufacture of a medicament for preventing or treating a disease mediated by ALK5 and/or ALK4 receptors in a mammal.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: December 18, 2018
    Assignee: TIUMBIO CO., LTD.
    Inventors: Ju Young Lee, Keun-Ho Ryu, Jae-Sun Kim, Yong-Hyuk Kim, Dong-Chul Shin, Bong-yong Lee, Sang-hwan Kang, Hyun-Jung Lee, Hoechul Jung, Young Ah Shin, Euisun Park, Jaeseung Ahn, Hun-Taek Kim, Je Ho Ryu
  • Patent number: 10082709
    Abstract: A liquid crystal display device includes: first and second substrates facing each other and including a plurality of pixels; a liquid crystal layer between the first and second substrates and including a liquid crystal mixture. The first substrate includes a pixel electrode in each pixel. The pixel electrode includes a stem electrode extending in a first direction and a second direction in a cross shape and dividing the pixel into first to fourth domains; and branch electrodes disposed in the first to fourth domains and extending from the stem electrode in a tilted direction to the first and second directions. The branch electrodes disposed in two adjacent domains extend to have angles different from each other with respect to the first direction and the second direction. The liquid crystal mixture includes liquid crystals, and a dopant which adjusts a pitch of the liquid crystals.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: September 25, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dong Chul Shin, Dong Han Song, Ki Chul Shin, Ho Kil Oh
  • Patent number: 10066166
    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: Grant
    Filed: February 19, 2016
    Date of Patent: September 4, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taek Joon Lee, Oh Jeong Kwon, Dong Han Song, Ki Chul Shin, Dong Chul Shin, Hyeok Jin Lee
  • Patent number: 10067396
    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: Grant
    Filed: August 29, 2016
    Date of Patent: September 4, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Dong Han Song, Su Jin Kim, Ki Chul Shin, Dong Chul Shin
  • 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: 20180153043
    Abstract: A manufacturing method for a printed circuit board includes: transferring roughness of a metal film to an insulating layer by laminating the metal film on the insulating layer, the metal film having the roughness formed on one surface thereof and having a discrete metal layer laminated thereon; exposing a surface of the insulating layer, on which the roughness is transferred, by removing the metal film; processing the surface of the insulating layer having the roughness formed thereon with an acidic solution; and forming a circuit pattern on the insulating layer by a plating process.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 31, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd
    Inventors: Jong-Guk KIM, Chul-Min LEE, Sung-Jun PARK, Dong-Chul SHIN, Chang-Jae LEE, Seon-Hye KIM, Joong-Mo HWANG, Sim-Hwan PARK, Myung-Gun CHONG, Tae-Wook JUNG
  • 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: 9904111
    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: Grant
    Filed: June 13, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Se Hyun Lee, Ik Han Oh, Youn Hak Jeong, Ki Pyo Hong, Wan Namgung, Ho Jun Lee, Dong Chul Shin
  • Patent number: 9885914
    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: Grant
    Filed: January 15, 2016
    Date of Patent: February 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Dong Han Song, Sung-Jae Yun, Su Jin Kim, Jin Won Kim, Ki Chul Shin, Dong-Chul Shin
  • Patent number: 9880421
    Abstract: A curved liquid crystal display is provided. The curved liquid crystal display includes: a first curved substrate; a second curved substrate; a liquid crystal layer including liquid crystal molecules having negative dielectric anisotropy, the liquid crystal layer being interposed between the first and second curved substrates; a first curved liquid crystal alignment layer interposed between the liquid crystal layer and the first curved substrate; and a second curved liquid crystal alignment layer interposed between the liquid crystal layer and the second curved substrate. The first curved liquid crystal alignment layer includes protrusions protruded toward the second curved liquid crystal alignment layer. The second curved liquid crystal alignment layer includes protrusions protruded toward the first curved liquid crystal alignment layer.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd
    Inventors: Dong Han Song, Oh Jeong Kwon, Su Jin Kim, Jin Won Kim, Ki Chul Shin, Dong Chul Shin, Sung Jae Yun, Hyeok Jin Lee
  • Publication number: 20180017831
    Abstract: A display substrate includes a base substrate, a switching device, and a pixel electrode including a first sub pixel electrode and a second sub pixel electrode. The first sub pixel electrode includes an internal electrode and an external electrode. The internal electrode includes a support electrode portion extending in a second direction, and a horizontal internal branch electrode portion extending in a first direction. The external electrode includes a horizontal external branch electrode portion disposed outside the internal electrode and extending in the first direction, and a vertical external branch electrode portion disposed outside the internal electrode and extending in the second direction. The second sub pixel electrode is adjacent to the first sub pixel electrode and has a shape symmetrical to the first sub pixel electrode.
    Type: Application
    Filed: June 5, 2017
    Publication date: January 18, 2018
    Inventors: TAEKYUNG YIM, JANG-IL KIM, HOON KIM, KEUNWOO PARK, DONG-CHUL SHIN, KICHUL SHIN, SUWAN WOO
  • Patent number: 9817281
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a gate line and a data line, a thin film transistor connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and a second insulating substrate facing the first insulating substrate, wherein one pixel includes the thin film transistor and the pixel electrode and includes a first sub-region and a second sub-region which are separated by the gate line intervened therebetween, the high gradation sub-pixel electrode includes a first high gradation sub-pixel electrode disposed in the first sub-region, and a second high gradation sub-pixel electrode disposed in the second sub-region, and the low gradation sub-pixel electrode includes a first low gradation sub-pixel electrode disposed in the first sub-region, and a second low gradation sub-pixel electrode disposed in the second sub-region.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: November 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Oh Jeong Kwon, Yeo Geon Yoon, Sei-Yong Park, Dong-Chul Shin, Hyeok Jin Lee, Jin Won Kim, Ki Chul Shin
  • Patent number: 9804461
    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: Grant
    Filed: February 22, 2016
    Date of Patent: October 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chul Shin, Jin Won Kim, Oh Jeong Kwon, Dong Han Song, Taek Joon Lee, Ki Chul Shin, Hyeok Jin Lee
  • Patent number: 9759959
    Abstract: A liquid crystal display including a first substrate, a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode separated from each other and located in one pixel area, a second substrate facing the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein a first voltage applied to the first subpixel electrode is higher than a second voltage applied to the second subpixel electrode, wherein the first subpixel electrode includes first branch electrodes, the second subpixel electrode includes second branch electrodes, the second subpixel electrode is located around the pixel area to enclose the first subpixel electrode, wherein the first branch electrodes and the second branch electrodes face each other in a boundary portion of the first subpixel electrode and the second subpixel electrode.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: September 12, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Chul Shin, Oh Jeong Kwon, Heung Shik Park, Sung-Jae Yun, Su Jin Kim, Jae Hong Park, Ki Chul Shin, Joo Young Yoon, Hyeok Jin Lee
  • Publication number: 20170235194
    Abstract: A liquid crystal display device includes: first and second substrates facing each other and including a plurality of pixels; a liquid crystal layer between the first and second substrates and including a liquid crystal mixture. The first substrate includes a pixel electrode in each pixel. The pixel electrode includes a stem electrode extending in a first direction and a second direction in a cross shape and dividing the pixel into first to fourth domains; and branch electrodes disposed in the first to fourth domains and extending from the stem electrode in a tilted direction to the first and second directions. The branch electrodes disposed in two adjacent domains extend to have angles different from each other with respect to the first direction and the second direction. The liquid crystal mixture includes liquid crystals, and a dopant which adjusts a pitch of the liquid crystals.
    Type: Application
    Filed: September 19, 2016
    Publication date: August 17, 2017
    Inventors: Dong Chul SHIN, Dong Han SONG, Ki Chul SHIN, Ho Kil OH