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).

  • 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
  • Publication number: 20180113356
    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: September 6, 2017
    Publication date: April 26, 2018
    Inventors: Heekeun Lee, Jangil Kim, Keunwoo Park, Suwan Woo, Yeogeon Yoon
  • 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
  • Publication number: 20180004036
    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: Application
    Filed: June 30, 2017
    Publication date: January 4, 2018
    Inventors: Jonghak HWANG, Jangil KIM, Suwan WOO, Yeogeon YOON, Taekyung YIM, Joonggun CHONG
  • Publication number: 20180006057
    Abstract: A display substrate and a method of manufacturing a display substrate, the display substrate including a base substrate; a gate electrode on the base substrate; an insulation layer on the gate electrode; a source electrode and a drain electrode on the insulation layer and overlapping the gate electrode; and a pixel electrode electrically connected to the drain electrode, wherein a cavity is formed between the gate electrode and the insulation layer.
    Type: Application
    Filed: April 18, 2017
    Publication date: January 4, 2018
    Inventors: Nakcho CHOI, Suwan WOO, Yeogeon YOON, Dae-Young LEE, Joonggun CHONG, Jonghak HWANG
  • Publication number: 20170363923
    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: Application
    Filed: June 15, 2017
    Publication date: December 21, 2017
    Inventors: Jangil KIM, Suwan WOO, Keunwoo PARK, Yeogeon YOON, Taekyung YIM, Jonghak HWANG
  • Publication number: 20170351133
    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: August 24, 2017
    Publication date: December 7, 2017
    Inventors: SuWan WOO, Wan-Soon IM, Kee-Bum PARK, YOUNGGOO SONG, HEEHWAN LEE, Yongwoo HYUNG
  • Publication number: 20170299924
    Abstract: A liquid crystal display device includes a display substrate including a pixel electrode in a plurality of pixel areas; an opposing substrate opposing the display substrate; a liquid crystal layer between the display substrate and the opposing substrate; and a polarizer in at least one of the display substrate and the opposing substrate. The pixel electrode includes a first slit extending along an edge of the pixel electrode; and a second slit having substantially a quadrangular shape and having a long side which forms an angle ranging from about 0 degree to about 90 degrees with respect to a polarization axis of the polarizer.
    Type: Application
    Filed: February 3, 2017
    Publication date: October 19, 2017
    Inventors: Taekyung YIM, Suwan WOO, Jangil KIM, Keunwoo PARK, Jisun KIM
  • Patent number: 9791750
    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: December 23, 2013
    Date of Patent: October 17, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: SuWan Woo, Wan-Soon Im, Kee-Bum Park, Younggoo Song, Heehwan Lee, yongwoo Hyung
  • Publication number: 20170235200
    Abstract: A display device includes: a substrate; a data line disposed on the substrate, the data line extending in a first direction; a gate insulating layer disposed on the data line; a gate line disposed on the gate insulating layer, the gate line extending in a second direction intersecting the first direction; a gate electrode protruding from the gate line; a thin film transistor connected to the gate line and the data line; and a first shielding electrode disposed on the same layer as a layer on which the gate line is disposed, the first shielding electrode overlapping the data line.
    Type: Application
    Filed: December 16, 2016
    Publication date: August 17, 2017
    Inventors: Joonggun CHONG, Taekyung YIM, Jangil KIM, Suwan WOO, Yeogeon YOON
  • Publication number: 20170131595
    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: July 13, 2016
    Publication date: May 11, 2017
    Inventors: Taekyung YIM, Suwan WOO, Keunwoo PARK, Nakcho CHOI
  • Patent number: 9563088
    Abstract: Provided is a display device including a display substrate, an opposite substrate and a liquid crystal layer. The display substrate has a plurality of pixel areas and a first side curved along a first direction. The opposite substrate faces the display substrate and is coupled to the display substrate to be curved along the first direction. The liquid crystal layer is disposed between the display substrate and the opposite substrate. In each of the plurality of pixel areas, a plurality of domains are arranged in a second direction intersecting with the first direction, and a side of at least one of the plurality of domains is tilted with respect to the first side.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: February 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heehwan Lee, Kyusu Ahn, SuWan Woo, In-Jae Hwang
  • 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
  • Publication number: 20160077388
    Abstract: Provided is a display device including a display substrate, an opposite substrate and a liquid crystal layer. The display substrate has a plurality of pixel areas and a first side curved along a first direction. The opposite substrate faces the display substrate and is coupled to the display substrate to be curved along the first direction. The liquid crystal layer is disposed between the display substrate and the opposite substrate. In each of the plurality of pixel areas, a plurality of domains are arranged in a second direction intersecting with the first direction, and a side of at least one of the plurality of domains is tilted with respect to the first side.
    Type: Application
    Filed: July 22, 2015
    Publication date: March 17, 2016
    Inventors: Heehwan LEE, Kyusu AHN, SuWan WOO, In-Jae HWANG
  • Patent number: 9269727
    Abstract: A curved display device includes a first substrate, a pixels and a second substrate. The first substrate is curved along a first direction and includes a pixel area through which light is transmitted and a non-pixel area which blocks light transmission therethrough. The pixel is disposed in the pixel area. The second substrate is curved along the first direction, and is opposite to and coupled to the first substrate. First trenches are defined in at least one substrate among the first and second substrates and extending in a second direction intersecting the first direction.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wan-Soon Im, SuWan Woo