Patents by Inventor Changil Tae

Changil Tae 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: 20250143045
    Abstract: A display device includes a substrate, a transistor disposed over the substrate, a first electrode pad electrically connected to the transistor, a first connector disposed on the first electrode pad, an anti-reflection portion arranged around the first connector, and a light-emitting element electrically connected to the first electrode pad through the first connector. Additionally, each of the first connector and the anti-reflection portion includes a first material, where a density of the first material included in the first connector is greater than a density of the first material included in the anti-reflection portion.
    Type: Application
    Filed: October 24, 2024
    Publication date: May 1, 2025
    Inventors: Jinwoo Choi, Kangyoung Lee, Hyungil Jeon, Changil Tae
  • Publication number: 20250126951
    Abstract: A display device includes a plurality of first electrode pads respectively corresponding to emission areas which emit light of different colors, a second electrode pad disposed on a same layer as the plurality of first electrode pads, and a light-emitting element electrically connected to the plurality of first electrode pads and the second electrode pad, where the light-emitting element includes a first stack including a first n-type semiconductor layer, a first p-type semiconductor layer, and a first active layer therebetween, a second stack overlapping the first stack in a first emission area among the emission areas, and including a second n-type semiconductor layer, a second p-type semiconductor layer, and a second active layer therebetween, and a conductor electrically connecting the first n-type semiconductor layer of the first stack to the second n-type semiconductor layer of the second stack.
    Type: Application
    Filed: October 12, 2024
    Publication date: April 17, 2025
    Inventors: Jinwoo CHOI, Kangyoung LEE, Hyungil JEON, Changil TAE
  • Publication number: 20250120297
    Abstract: A display apparatus includes a first substrate, a second substrate disposed on the first substrate, a light-emitting diode at least partially accommodated in the second substrate, a first electrode pad disposed on the second substrate and electrically connected to the light-emitting diode, a planarization insulating layer disposed on the second substrate and covering the first electrode pad, a transistor disposed on the planarization insulating layer and electrically connected to the first electrode pad, and a third substrate disposed on the transistor.
    Type: Application
    Filed: August 27, 2024
    Publication date: April 10, 2025
    Inventors: Hyungil JEON, Kangyoung LEE, Jinwoo CHOI, Changil TAE
  • Publication number: 20250081614
    Abstract: A display apparatus includes: a substrate; a pixel driving circuit portion disposed on the substrate; an organic insulating layer disposed on the pixel driving circuit portion and defining a first opening therein; a first conductive organic film accommodated in the first opening to be electrically connected to the pixel driving circuit portion; and an inorganic light-emitting diode disposed on the organic insulating layer and including a first electrode, where at least a portion of the first electrode is accommodated in the first conductive organic film.
    Type: Application
    Filed: August 6, 2024
    Publication date: March 6, 2025
    Inventors: Kangyoung LEE, Hyungil JEON, Jinwoo CHOI, Changil TAE
  • Publication number: 20250072176
    Abstract: A display device includes: a substrate including a display area and a non-display area outside the display area; and a plurality of light-emitting diodes arranged in the display area, where each of the plurality of the light-emitting diodes has a double porous layer structure including a first porous layer and a second porous layer disposed below the first porous layer, the first porous layer defines a first pore therein extending in a direction perpendicular to a major surface of the substrate, and the second porous layer defines a second pore therein extending in a randomly variable direction.
    Type: Application
    Filed: August 21, 2024
    Publication date: February 27, 2025
    Inventors: Kangyoung LEE, Jinwoo CHOI, Hyungil JEON, Changil TAE
  • Patent number: 12210234
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan-Soon Im, MinWook Park, SuWan Woo, Eun-Kil Park, Jeongman Son, Changil Tae, Kee-Bum Park, Kyung-Bae Kim, Je Hyeong Park, Joohwan Park, Yu Deok Seo, Seungho Yang, Sejoon Oh, Heehwan Lee
  • Patent number: 11409154
    Abstract: A display device includes a first substrate; a second substrate covering the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of pixels on the first substrate; and a light blocking member disposed on at least one of the first substrate and the second substrate, the light blocking member disposed in a curved area and defining a display area and a non-display area. The plurality of pixels includes a first pixel outside the curved area; and a second pixel in the curved area, and a pixel electrode of the first pixel has a different shape from a shape of a pixel electrode of the second pixel.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: August 9, 2022
    Inventors: Changil Tae, Seungjun Yu, Younggoo Song
  • Patent number: 10998350
    Abstract: Provided is a display device including a display panel including a pixel including a first sub-pixel and a second sub-pixel, and a capping layer. The first sub-pixel includes a first pixel transistor disposed on a first pixel circuit area, a first pixel electrode disposed on a first pixel electrode area, a first color filter disposed on the first pixel circuit area while covering the first pixel transistor, and a second color filter disposed on the first pixel electrode area and the first pixel circuit area. The capping layer covers the first color filter and the second color filter, and a first opening is defined in one area of the capping layer, which overlaps the second color filter on a plane.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 4, 2021
    Inventors: Jinjoo Ha, Basrur Veidhes, Yangho Bae, Changil Tae
  • Publication number: 20200301179
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Inventors: Wan-Soon IM, MinWook PARK, SuWan WOO, Eun-Kil PARK, Jeongman Son, Changil TAE, Kee-Bum PARK, Kyung-Bae KIM, JE HYEONG PARK, JOOHWAN PARK, YU DEOK SEO, Seungho YANG, SEJOON OH, HEEHWAN LEE
  • Patent number: 10712596
    Abstract: A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan-Soon Im, MinWook Park, SuWan Woo, Eun-Kil Park, Jeongman Son, Changil Tae, Kee-Bum Park, Kyung-Bae Kim, Je Hyeong Park, Joohwan Park, Yu Deok Seo, Seungho Yang, Sejoon Oh, Heehwan Lee
  • Patent number: 10663806
    Abstract: A liquid crystal display includes a display substrate having pixel electrodes and a curvature along a first direction, an opposite substrate coupled to the display substrate and curved together with the display substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. Each pixel electrode comprises a plurality of domains successively arranged along a second direction substantially perpendicular to the first direction, and further comprises branch electrodes positioned within each domain to be inclined with respect to the first and second directions, the branch electrodes of two domains adjacent to each other in the second direction being arranged in alternating manner.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changil Tae, Suwan Woo
  • Publication number: 20190363110
    Abstract: Provided is a display device including a display panel including a pixel including a first sub-pixel and a second sub-pixel, and a capping layer. The first sub-pixel includes a first pixel transistor disposed on a first pixel circuit area, a first pixel electrode disposed on a first pixel electrode area, a first color filter disposed on the first pixel circuit area while covering the first pixel transistor, and a second color filter disposed on the first pixel electrode area and the first pixel circuit area. The capping layer covers the first color filter and the second color filter, and a first opening is defined in one area of the capping layer, which overlaps the second color filter on a plane.
    Type: Application
    Filed: April 26, 2019
    Publication date: November 28, 2019
    Inventors: Jinjoo HA, Basrur VEIDHES, Yangho BAE, Changil TAE
  • Publication number: 20190196257
    Abstract: A display device includes a first substrate; a second substrate covering the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of pixels on the first substrate; and a light blocking member disposed on at least one of the first substrate and the second substrate, the light blocking member disposed in a curved area and defining a display area and a non-display area. The plurality of pixels includes a first pixel outside the curved area; and a second pixel in the curved area, and a pixel electrode of the first pixel has a different shape from a shape of a pixel electrode of the second pixel.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 27, 2019
    Inventors: Changil TAE, Seungjun YU, Younggoo SONG
  • Patent number: 10254580
    Abstract: A display device includes a first substrate; a second substrate covering the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of pixels on the first substrate; and a light blocking member disposed on at least one of the first substrate and the second substrate, the light blocking member disposed in a curved area and defining a display area and a non-display area. The plurality of pixels includes a first pixel outside the curved area; and a second pixel in the curved area, and a pixel electrode of the first pixel has a different shape from a shape of a pixel electrode of the second pixel.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changil Tae, Seungjun Yu, Younggoo Song
  • Publication number: 20180314115
    Abstract: A liquid crystal display includes a display substrate having pixel electrodes and a curvature along a first direction, an opposite substrate coupled to the display substrate and curved together with the display substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. Each pixel electrode comprises a plurality of domains successively arranged along a second direction substantially perpendicular to the first direction, and further comprises branch electrodes positioned within each domain to be inclined with respect to the first and second directions, the branch electrodes of two domains adjacent to each other in the second direction being arranged in alternating manner.
    Type: Application
    Filed: June 28, 2018
    Publication date: November 1, 2018
    Inventors: Changil TAE, Suwan WOO
  • Patent number: 10036924
    Abstract: A liquid crystal display includes a display substrate having pixel electrodes and a curvature along a first direction, an opposite substrate coupled to the display substrate and curved together with the display substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. Each pixel electrode comprises a plurality of domains successively arranged along a second direction substantially perpendicular to the first direction, and further comprises branch electrodes positioned within each domain to be inclined with respect to the first and second directions, the branch electrodes of two domains adjacent to each other in the second direction being arranged in alternating manner.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Changil Tae, Suwan Woo
  • Patent number: 9910322
    Abstract: A liquid crystal display device includes: a first substrate; a second substrate positioned parallel to the first substrate; a liquid crystal layer between the first substrate and the second substrate. A black matrix disposed on one of the first substrate and the second substrate and configured to define a pixel region. A lower pixel electrode on the first substrate corresponding to the pixel region. An upper insulating layer disposed on the lower pixel electrode and having at least one groove. An upper pixel electrode disposed on the upper insulating layer and receiving a data signal from a thin film transistor, the data signal applied from a data line.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: March 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Swaehyun Kim, Jehyeong Park, Kyungbae Kim, Changil Tae, Kipyo Hong
  • Publication number: 20170322446
    Abstract: A display device includes a first substrate; a second substrate covering the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of pixels on the first substrate; and a light blocking member disposed on at least one of the first substrate and the second substrate, the light blocking member disposed in a curved area and defining a display area and a non-display area. The plurality of pixels includes a first pixel outside the curved area; and a second pixel in the curved area, and a pixel electrode of the first pixel has a different shape from a shape of a pixel electrode of the second pixel.
    Type: Application
    Filed: January 20, 2017
    Publication date: November 9, 2017
    Inventors: Changil TAE, Seungjun YU, Younggoo SONG
  • Publication number: 20160342017
    Abstract: A display device includes: a first substrate; a gate line and a data line on the first substrate; a transistor connected to the gate line and the data line; an insulating layer on the data line and the transistor; and a color filter layer on the insulating layer. The color filter layer may include a first support pattern portion extending substantially parallel to the gate line.
    Type: Application
    Filed: March 9, 2016
    Publication date: November 24, 2016
    Inventors: Seiyong PARK, Jungwook LEE, Hyoungcheol LEE, Changil TAE
  • Publication number: 20160246135
    Abstract: A liquid crystal display includes a display substrate having pixel electrodes and a curvature along a first direction, an opposite substrate coupled to the display substrate and curved together with the display substrate, and a liquid crystal layer interposed between the display substrate and the opposite substrate. Each pixel electrode comprises a plurality of domains successively arranged along a second direction substantially perpendicular to the first direction, and further comprises branch electrodes positioned within each domain to be inclined with respect to the first and second directions, the branch electrodes of two domains adjacent to each other in the second direction being arranged in alternating manner.
    Type: Application
    Filed: February 22, 2016
    Publication date: August 25, 2016
    Inventors: Changil TAE, Suwan WOO