Patents by Inventor SuWan WOO

SuWan WOO 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: 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: 10725331
    Abstract: A display device includes: a backlight unit configured to emit light; a first substrate positioned in a path of a light emitted from the backlight unit and including a first pixel and a second pixel displaying different colors from each other; a second substrate facing the first substrate; a light amount control layer positioned between the first substrate and the second substrate; a gate line disposed on the first substrate and extending in a first direction; a storage line disposed on the substrate and spaced apart from the gate line; and a data line disposed on the first substrate and extending in a second direction intersecting the first direction. The first pixel includes a first thin film transistor, a first pixel electrode, and a first light conversion unit. The second pixel electrode includes a second thin film transistor, and a second light conversion unit.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeogeon Yoon, Kyungbae Kim, Youngmin Kim, Ilgon Kim, Jangil Kim, Cheolwoo Park, Suwan Woo, Seontae Yoon
  • Publication number: 20200233260
    Abstract: A color substrate and a display device including the same. The color substrate includes: a substrate including first and second pixel regions spaced apart from each other, and a light shielding region between the first and second pixel regions; a first color conversion layer over the first pixel region and configured to convert incident light into first color light; a second color conversion layer over the second pixel region and configured to convert the incident light into second color light; and a retroreflective layer over the light shielding region and configured to retroreflect incident light through the first and second color conversion layer.
    Type: Application
    Filed: April 6, 2020
    Publication date: July 23, 2020
    Inventors: Heekeun Lee, Jangil Kim, Keunwoo Park, Suwan Woo, Yeogeon Yoon
  • 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
  • Patent number: 10649269
    Abstract: A color substrate and a display device including the same. The color substrate includes: a substrate including first and second pixel regions spaced apart from each other, and a light shielding region between the first and second pixel regions; a first color conversion layer over the first pixel region and configured to convert incident light into first color light; a second color conversion layer over the second pixel region and configured to convert the incident light into second color light; and a retroreflective layer over the light shielding region and configured to retroreflect incident light through the first and second color conversion layer.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: May 12, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heekeun Lee, Jangil Kim, Keunwoo Park, Suwan Woo, Yeogeon Yoon
  • Patent number: 10534224
    Abstract: A display substrate may include a base substrate having a plurality of pixel areas; and a pixel electrode in the pixel area. The pixel electrode may include a bump portion defining a plurality of domains and at least one slit extending along an edge of the pixel electrode in at least one domain.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: January 14, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taekyung Yim, Suwan Woo, Keunwoo Park, Nakcho Choi
  • 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
  • Publication number: 20190227372
    Abstract: A curved display device curved in a first direction includes: a first substrate including a plurality of signal lines, an insulating layer which covers the signal lines, a pixel electrode disposed on the insulating layer, and a shielding electrode electrically insulated from the pixel electrode and disposed along a signal line, which extends substantially in a second direction crossing the first direction, among the signal lines; a second substrate disposed opposite to the first substrate and including a common electrode; and a light control layer interposed between the first substrate and the second substrate.
    Type: Application
    Filed: April 1, 2019
    Publication date: July 25, 2019
    Inventors: SuWan WOO, Wan-Soon IM, Kee-Bum PARK, Younggoo SONG, Heehwan LEE, Yongwoo HYUNG
  • Publication number: 20190171061
    Abstract: A color substrate and a display device including the same. The color substrate includes: a substrate including first and second pixel regions spaced apart from each other, and a light shielding region between the first and second pixel regions; a first color conversion layer over the first pixel region and configured to convert incident light into first color light; a second color conversion layer over the second pixel region and configured to convert the incident light into second color light; and a retroreflective layer over the light shielding region and configured to retroreflect incident light through the first and second color conversion layer.
    Type: Application
    Filed: January 25, 2019
    Publication date: June 6, 2019
    Inventors: Heekeun Lee, Jangil Kim, Keunwoo Park, Suwan Woo, Yeogeon Yoon
  • Patent number: 10303020
    Abstract: A display device includes: a base substrate comprising a first light blocking area extending in a first direction, a second light blocking area extending in a second direction intersecting the first direction and a light transmitting area defined by the first light blocking area and the second light blocking area; a gate line on the base substrate at the first light blocking area; a data line on the base substrate at the second light blocking area; a thin film transistor connected to the gate line and the data line; a protective layer on the thin film transistor; a black matrix on the protective layer at at least one of the first light blocking area and the second light blocking area; and a pixel electrode connected to the thin film transistor through a contact hole defined in the protective layer and the black matrix.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jangil Kim, Suwan Woo, Keunwoo Park, Yeogeon Yoon, Taekyung Yim, Jonghak Hwang
  • Patent number: 10295858
    Abstract: A curved display device curved in a first direction includes: a first substrate including a plurality of signal lines, an insulating layer which covers the signal lines, a pixel electrode disposed on the insulating layer, and a shielding electrode electrically insulated from the pixel electrode and disposed along a signal line, which extends substantially in a second direction crossing the first direction, among the signal lines; a second substrate disposed opposite to the first substrate and including a common electrode; and a light control layer interposed between the first substrate and the second substrate.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: SuWan Woo, Wan-Soon Im, Kee-Bum Park, Younggoo Song, Heehwan Lee, Yongwoo Hyung
  • Publication number: 20190107756
    Abstract: A display substrate may include a base substrate having a plurality of pixel areas; and a pixel electrode in the pixel area. The pixel electrode may include a bump portion defining a plurality of domains and at least one slit extending along an edge of the pixel electrode in at least one domain.
    Type: Application
    Filed: December 4, 2018
    Publication date: April 11, 2019
    Inventors: Taekyung YIM, Suwan WOO, Keunwoo PARK, Nakcho CHOI
  • Patent number: 10247977
    Abstract: A display device includes: a substrate; a gate line disposed on the substrate; a data line intersecting the gate line; a plurality of thin film transistors connected to each of the gate line and the data line; a plurality of pixel electrodes connected to each of the plurality of thin film transistors; first-color, second-color and third-color filters, respectively, overlapping the plurality of pixel electrodes; and a light blocking portion disposed between two adjacent pixel electrodes of the plurality of pixel electrodes, wherein the light blocking portion comprises: a first-color layer comprising a substantially same material as that included in the first-color filter; a third-color layer comprising a substantially same material as that included in the third-color filter; and a fourth-color layer overlapping over the first-color and third-color layers and absorbing a light having a wavelength in a range from 540 nm to 680 nm.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: April 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jonghak Hwang, Jangil Kim, Suwan Woo, Yeogeon Yoon, Taekyung Yim, Joonggun Chong
  • Patent number: 10197844
    Abstract: A color substrate and a display device including the same. The color substrate includes: a substrate including first and second pixel regions spaced apart from each other, and a light shielding region between the first and second pixel regions; a first color conversion layer over the first pixel region and configured to convert incident light into first color light; a second color conversion layer over the second pixel region and configured to convert the incident light into second color light; and a retroreflective layer over the light shielding region and configured to retroreflect incident light through the first and second color conversion layer.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heekeun Lee, Jangil Kim, Keunwoo Park, Suwan Woo, Yeogeon Yoon
  • Patent number: 10168578
    Abstract: A display substrate may include a base substrate having a plurality of pixel areas; and a pixel electrode in the pixel area. The pixel electrode may include a bump portion defining a plurality of domains and at least one slit extending along an edge of the pixel electrode in at least one domain.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Taekyung Yim, Suwan Woo, Keunwoo Park, Nakcho Choi
  • Patent number: 10126602
    Abstract: A curved display device including a plurality of pixels that may be bent in a first direction crossing a second direction. The curved display device may include first and second substrates facing each other, and a liquid crystal layer interposed between the first and second substrates.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: November 13, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: BongSung Seo, Sejoon Oh, Junwoo Lee, Baekkyun Jeon, Su Jeong Kim, SuWan Woo, Wan-Soon Im, Yongwoo Hyung
  • 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
  • Publication number: 20180129098
    Abstract: A display device includes: a backlight unit configured to emit light; a first substrate positioned in a path of a light emitted from the backlight unit and including a first pixel and a second pixel displaying different colors from each other; a second substrate facing the first substrate; a light amount control layer positioned between the first substrate and the second substrate; a gate line disposed on the first substrate and extending in a first direction; a storage line disposed on the substrate and spaced apart from the gate line; and a data line disposed on the first substrate and extending in a second direction intersecting the first direction. The first pixel includes a first thin film transistor, a first pixel electrode, and a first light conversion unit. The second pixel electrode includes a second thin film transistor, and a second light conversion unit.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Inventors: Yeogeon Yoon, Kyungbae Kim, Youngmin Kim, Ilgon Kim, Jangil Kim, Cheolwoo Park, Suwan Woo, Seontae Yoon