Patents by Inventor Sung-In Ro

Sung-In Ro 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: 11249353
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 15, 2022
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro
  • Publication number: 20200379306
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle.
    Type: Application
    Filed: August 19, 2020
    Publication date: December 3, 2020
    Inventors: Soo Jeong HUH, Yang Hee KIM, Sung In RO
  • Patent number: 10782572
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro
  • Publication number: 20190324331
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle.
    Type: Application
    Filed: July 3, 2019
    Publication date: October 24, 2019
    Inventors: Soo Jeong HUH, Yang Hee KIM, Sung In RO
  • Patent number: 10353252
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tessellating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle, wherein a ratio of a length of the first inclined edge portion to a length of the cutout is about 80% or more, and the density of the plurality of pixels is about 200 PPI
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: July 16, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro
  • Patent number: 10222645
    Abstract: A display device may include a first layer, a passivation layer, and a pixel. The passivation layer may overlap the first layer and may include a first passivation portion and a second passivation portion. The pixel may include a first-color filter, a first-color-corresponding electrode, a second-color filter, and a second-color-corresponding electrode. The first-color-corresponding electrode may overlap the first-color filter and may be positioned between the first layer and the first passivation portion. The second-color-corresponding electrode may overlap the second-color filter. The second passivation portion may be positioned between the first layer and the second-color-corresponding electrode.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: March 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ock Soo Son, Sung In Ro, Jun Ho Song, Sung Jin Kim, Seung Hyun Park, Young Jin Park, Yeo Geon Yoon, Jae Hak Lee, Woong Ki Jeon
  • Publication number: 20180267371
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tessellating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle, wherein a ratio of a length of the first inclined edge portion to a length of the cutout is about 80% or more, and the density of the plurality of pixels is about 200 PPI
    Type: Application
    Filed: May 16, 2018
    Publication date: September 20, 2018
    Inventors: Soo Jeong HUH, Yang Hee KIM, Sung In RO
  • Patent number: 9995974
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle, wherein a ratio of a length of the first inclined edge portion to a length of the cutout is about 80% or more, and the density of the plurality of pixels is about 200 PPI o
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: June 12, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro
  • Patent number: 9977303
    Abstract: An array substrate includes a thin film transistor on a substrate, a color pattern on the substrate, a light blocking pattern on the thin film transistor, an organic insulation layer covering the color pattern and the light blocking pattern, a pixel electrode on the organic insulation layer, and a low-reflective pattern on the pixel electrode. An opening portion is defined in the light blocking pattern and exposes the thin film transistor. A contact hole is defined in the organic insulation layer and corresponding to the opening portion. The pixel electrode is electrically connected to the thin film transistor through the contact hole. The low-reflective pattern corresponds to the opening portion.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: May 22, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-In Ro, Eun-Je Jang, Hyun-Wuk Kim, Ock-Soo Son
  • Patent number: 9817289
    Abstract: A liquid crystal display includes a plurality of pixels including first, second and third pixels that display different colors and are sequentially disposed, a plurality of data lines including first, second and third data lines sequentially and repeatedly disposed where the first data line is disposed between the third pixel and the first pixel, the second data line is disposed between the first pixel and the second pixel, and the third data line is disposed between the second pixel and the third pixel, widths of the first, second and third data lines are substantially the same as each other, and a first interval between the first data line and the second data line is different from a second interval between the second data line and the third data line or a third interval between the third data line and the first data line.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hyun Park, Hyang Yul Kim, Sung In Ro, Jun Ho Song, Jean Ho Song, Woong Ki Jeon
  • Patent number: 9804468
    Abstract: A liquid crystal display includes: a gate line including a gate electrode; a data line including a source electrode; a drain electrode; an organic layer on the gate and data lines and the drain electrode, and a first opening defined therein; a first electrode on the organic layer, and a second opening defined therein; and a passivation layer on the first electrode, and a contact hole defined therein exposing the drain electrode. An interval taken in a first direction between a first edge of the gate electrode, the first edge parallel to a second direction in which the gate line is extended and which is different than the first direction, and a second edge of the first electrode second opening, the second edge parallel to the second direction and adjacent to the gate electrode first edge is 0 micrometer to about 6 micrometers.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: October 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hyun Park, Woong Ki Jeon, Sung In Ro, Dong Gun Oh
  • Patent number: 9754977
    Abstract: A thin film transistor is provided as follows. A first gate electrode and a second gate electrode are stacked on each other. A semiconductor layer is interposed between the first and second gate electrodes. A source electrode and a drain electrode are interposed between the semiconductor layer and the second gate electrode. A connection electrode connects electrically the first gate electrode and the second gate electrode. A first insulating film is interposed between the first gate electrode and the semiconductor layer. A second insulating film includes a first part interposed between the semiconductor layer and the second gate electrode and a second part interposed between the second gate electrode and the drain electrode. A third insulating film includes a first part interposed between the connection electrode and the second gate electrode.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: September 5, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gun Oh, Young Gu Kang, Sung In Ro, Jae Hak Lee, Sung Hoon Lim, Woong Ki Jeon
  • Patent number: 9709865
    Abstract: A liquid crystal display panel includes a base substrate, a first step difference compensating pattern, a gate metal pattern, a semiconductor pattern, a source electrode, a drain electrode, a pixel electrode and a color filter. The first step difference compensating pattern is disposed on the base substrate and includes an inorganic material. The gate metal pattern is disposed on the first step difference compensating pattern and includes a gate electrode and a gate line electrically connected to the gate electrode. The semiconductor pattern is overlapped with the gate electrode. The source electrode is electrically connected to the semiconductor pattern. The drain electrode is electrically connected to the semiconductor pattern and is spaced apart from the source electrode. The pixel electrode is electrically connected to the drain electrode. The color filter is overlapped with the pixel electrode.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ock-Soo Son, Hyun-Wuk Kim, Sung-In Ro, Jean-Ho Song, Eun-Je Jang, Sung-Jin Hong
  • Patent number: 9696578
    Abstract: A display device including a substrate, a plurality of data lines disposed on the substrate, a first color filter disposed between a first data line and a second data line that are adjacent to each other among the data lines, a first dummy color filter configured to overlap a third data line that is adjacent to the first data line, be separated from the first color filter, and display a same color as that of the first color filter, and a second color filter disposed at a region between the first data line and the third data line and configured to display a color different from that of the first color filter. A thickness of the first dummy color filter is smaller than that of the first color filter, and the second color filter is disposed on the first dummy color filter.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: July 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung In Ro, Jeong Ho Lee
  • Patent number: 9645435
    Abstract: A liquid crystal display includes a display panel including a plurality of pixels, a first substrate and a second substrate facing each other, a liquid crystal layer disposed between the first substrate and the second substrate, a first electrode which is disposed on the first substrate and transmits a first voltage, a second electrode which is disposed on the first substrate and transmits a second voltage, and a light blocking member overlapping a space between a side of the first electrode and a side of the second electrode which face each other, where the light blocking member has an island shape within a region of a pixel of the plurality of pixels in a plan view.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Wuk Kim, Sung Jin Hong, Sung In Ro, Ock Soo Son, Eun Je Jang
  • Publication number: 20170084634
    Abstract: A thin film transistor is provided as follows. A first gate electrode and a second gate electrode are stacked on each other. A semiconductor layer is interposed between the first and second gate electrodes. A source electrode and a drain electrode are interposed between the semiconductor layer and the second gate electrode. A connection electrode connects electrically the first gate electrode and the second gate electrode. A first insulating film is interposed between the first gate electrode and the semiconductor layer. A second insulating film includes a first part interposed between the semiconductor layer and the second gate electrode and a second part interposed between the second gate electrode and the drain electrode. A third insulating film includes a first part interposed between the connection electrode and the second gate electrode.
    Type: Application
    Filed: December 6, 2016
    Publication date: March 23, 2017
    Inventors: DONG GUN OH, YOUNG GU KANG, SUNG IN RO, JAE HAK LEE, SUNG HOON LIM, WOONG KI JEON
  • Publication number: 20170075166
    Abstract: A display device may include a first layer, a passivation layer, and a pixel. The passivation layer may overlap the first layer and may include a first passivation portion and a second passivation portion. The pixel may include a first-color filter, a first-color-corresponding electrode, a second-color filter, and a second-color-corresponding electrode. The first-color-corresponding electrode may overlap the first-color filter and may be positioned between the first layer and the first passivation portion. The second-color-corresponding electrode may overlap the second-color filter. The second passivation portion may be positioned between the first layer and the second-color-corresponding electrode.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 16, 2017
    Inventors: Ock Soo SON, Sung In RO, Jun Ho SONG, Sung Jin KIM, Seung Hyun PARK, Young Jin PARK, Yeo Geon YOON, Jae Hak LEE, Woong Ki JEON
  • Patent number: 9575353
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate, a data line disposed on the first substrate, a first passivation layer disposed on the gate line and the data line, a color filter disposed on the first passivation layer, a common electrode disposed on the color filter, a light blocking member disposed directly on or directly below the common electrode, a second passivation layer disposed on the common electrode and the light blocking member, and a pixel electrode disposed on the second passivation layer.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Je Jang, Sung In Ro, Young Gu Kang, Hyun Wuk Kim, Ock Soo Son, Jean Ho Song, Sung Jin Hong
  • Patent number: 9559210
    Abstract: A thin film transistor is provided as follows. A first gate electrode and a second gate electrode are stacked on each other. A semiconductor layer is interposed between the first and second gate electrodes. A source electrode and a drain electrode are interposed between the semiconductor layer and the second gate electrode. A connection electrode connects electrically the first gate electrode and the second gate electrode. A first insulating film is interposed between the first gate electrode and the semiconductor layer. A second insulating film includes a first part interposed between the semiconductor layer and the second gate electrode and a second part interposed between the second gate electrode and the drain electrode. A third insulating film includes a first part interposed between the connection electrode and the second gate electrode.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: January 31, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gun Oh, Young Gu Kang, Sung In Ro, Jae Hak Lee, Sung Hoon Lim, Woong Ki Jeon
  • Publication number: 20170023813
    Abstract: A liquid crystal display includes: a gate line including a gate electrode; a data line including a source electrode; a drain electrode; an organic layer on the gate and data lines and the drain electrode, and a first opening defined therein; a first electrode on the organic layer, and a second opening defined therein; and a passivation layer on the first electrode, and a contact hole defined therein exposing the drain electrode. An interval taken in a first direction between a first edge of the gate electrode, the first edge parallel to a second direction in which the gate line is extended and which is different than the first direction, and a second edge of the first electrode second opening, the second edge parallel to the second direction and adjacent to the gate electrode first edge is 0 micrometer to about 6 micrometers.
    Type: Application
    Filed: October 6, 2016
    Publication date: January 26, 2017
    Inventors: Seung Hyun PARK, Woong Ki JEON, Sung In RO, Dong Gun OH