Patents by Inventor Haeju Yun

Haeju Yun 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: 11567355
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Boram Lee, Taimei Kodaira, Sangji Park, Kwangsoo Bae, Haeju Yun, Donchan Cho, Youngje Cho
  • Publication number: 20220113583
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Boram LEE, Taimei KODAIRA, Sangji PARK, Kwangsoo BAE, Haeju YUN, Donchan CHO, Youngje CHO
  • Patent number: 11215859
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Boram Lee, Taimei Kodaira, Sangji Park, Kwangsoo Bae, Haeju Yun, Donchan Cho, Youngje Cho
  • Publication number: 20210336224
    Abstract: A display device having an optical panel with improved light extraction efficiency and light conversion efficiency is provided. The display device includes a first substrate, first to third light-emitting elements arranged on the first substrate, an encapsulation layer covering the first to third light-emitting elements, a first light blocking layer arranged on the encapsulation layer, the first light blocking layer including first openings respectively corresponding to the first to third light-emitting elements, a reflective layer arranged on the first light blocking layer, the reflective layer corresponding to an inner surface of each of the first openings, a first color conversion layer, a second color conversion layer, and a light transmission layer respectively located in first openings, a second light blocking layer on the first light blocking layer including second openings overlapping the first openings, and first to third color filter layers located in the second openings.
    Type: Application
    Filed: January 11, 2021
    Publication date: October 28, 2021
    Inventor: Haeju YUN
  • Patent number: 11086165
    Abstract: A display apparatus includes a first substrate in which a plurality of pixel areas and a non-pixel area around the pixel areas are defined, a cavity-defining layer disposed on the first substrate and defining a plurality of cavities corresponding to the pixel areas, an insulating layer disposed on the cavity-defining layer and in the cavities, a liquid crystal layer disposed on the insulating layer in the cavities, and a second substrate disposed on the insulating layer to cover the liquid crystal layer. The liquid crystal layer has a same refractive index as the cavity-defining layer when the liquid crystal layer is not driven. The liquid crystal layer has a greater refractive index than the cavity-defining layer when the liquid crystal layer is driven.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: August 10, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Jungsuk Bang, Junho Song, Minjeong Oh, Haeju Yun
  • Patent number: 10802201
    Abstract: A display apparatus includes a display module which displays an image and a backlight unit disposed below the display module. The backlight unit includes a light source which generates light, a light guide member including a light incident surface which receives the light from the light source and an opposite surface facing the light incident surface in a first direction, and a light collection member which is disposed on the light guide member and receives the light from the light guide member to control a traveling direction of the light so that the light travels to the display module. The light collection member includes an upper light collection layer including upper light collection patterns, each of which has a curved top surface and a lower light collection layer including lower light collection patterns and an intermediate layer which covers the lower light collection patterns.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Jungsuk Bang, Minjeong Oh, Haeju Yun
  • Publication number: 20200285098
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Boram LEE, Taimei KODAIRA, Sangji PARK, Kwangsoo BAE, Haeju YUN, Donchan CHO, Youngje CHO
  • Patent number: 10670901
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Boram Lee, Taimei Kodaira, Sangji Park, Kwangsoo Bae, Haeju Yun, Donchan Cho, Youngje Cho
  • Patent number: 10520661
    Abstract: A backlight unit includes a light source generating light, a light guide plate guiding the light in an upper direction, and an optical member disposed on the light guide plate to condense the light provided from the light guide plate in the upper direction. A top surface of the light guide plate includes a plurality of circular areas and a peripheral area around the circular areas. Each of the circular areas includes a central circular area and a ring area surrounding the central circular area. The optical member includes a first insulating layer disposed on the light guide plate and spaced apart from the light guide plate by predetermined distances in the ring areas and the peripheral area to define a plurality of cavities, and a second insulating layer disposed on the first insulating layer.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: December 31, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Donchan Cho, Pilsook Kwon, Jungsuk Bang, Minjeong Oh, Haeju Yun
  • Patent number: 10451791
    Abstract: A display device includes a light source which generates light, a light guide member which guides the light, and a light collecting member disposed on the light guide member to collect the light provided from the light guide member. The light collecting member includes a plurality of central areas, a plurality of ring areas respectively surrounding the plurality of central areas, and a peripheral area surrounding the plurality of ring areas.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Haeju Yun, Kwangsoo Bae, Jungsuk Bang, Minjeong Oh
  • Patent number: 10393947
    Abstract: A display device includes a display panel, and a backlight unit including a light guide plate which guides light in an upward direction toward the display panel and including a transmission region and a reflection region; a supporting pattern at the reflection region; a reflection layer on upper and side surfaces of the supporting pattern; and an insulating layer which covers the transmission region and the reflection layer at the reflection region.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jungsuk Bang, Hyunyoung Jung, Kwangsoo Bae, Minjeong Oh, Haeju Yun
  • Publication number: 20190155106
    Abstract: A display apparatus includes a first base substrate, a partitioning wall pattern disposed between a first pixel area and a second pixel area and on the first base substrate, a first color conversion pattern disposed in the first pixel area and including quantum dot particles and/or phosphor, a first fluorine layer disposed on the first color conversion layer, fluorine content of the first fluorine layer being higher than that of the first color conversion pattern, and a second color conversion pattern disposed in the second pixel area and including quantum dot particles and/or phosphor.
    Type: Application
    Filed: June 4, 2018
    Publication date: May 23, 2019
    Inventors: Boram LEE, Taimei KODAIRA, Sangji PARK, Kwangsoo BAE, Haeju YUN, Donchan CHO, Youngje CHO
  • Patent number: 10274666
    Abstract: A backlight unit includes a light source; a light guide plate; and an optical member on the light guide plate. The optical member includes first insulating patterns into which light from the light guide plate is incident to the optical member; a first insulating layer which covers the first insulating patterns; second insulating patterns into which light from the first insulating layer is incident; and a second insulating layer which covers the second insulating patterns. The light guide plate includes a light incident side surface, pairs of insulating patterns each include one first insulating pattern and one second insulating pattern, and in a top plan view, for each pair of insulating patterns, the first insulating pattern is closer to the light incident side surface than the second insulating pattern.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Jungsuk Bang, Minjeong Oh, Haeju Yun
  • Publication number: 20190094450
    Abstract: A display apparatus includes a display module which displays an image and a backlight unit disposed below the display module. The backlight unit includes a light source which generates light, a light guide member including a light incident surface which receives the light from the light source and an opposite surface facing the light incident surface in a first direction, and a light collection member which is disposed on the light guide member and receives the light from the light guide member to control a traveling direction of the light so that the light travels to the display module. The light collection member includes an upper light collection layer including upper light collection patterns, each of which has a curved top surface and a lower light collection layer including lower light collection patterns and an intermediate layer which covers the lower light collection patterns.
    Type: Application
    Filed: August 14, 2018
    Publication date: March 28, 2019
    Inventors: Kwangsoo BAE, Jungsuk BANG, Minjeong OH, Haeju YUN
  • Publication number: 20180196302
    Abstract: A display device includes a display module, a light source, a light-guiding substrate including at least a side surface adjacent to the light source, and an optical filter provided on the light-guiding substrate. The optical filter includes a first insulating layer including a first sub-insulating layer, a second sub-insulating layer, and a third sub-insulating layer, a second insulating layer provided on the first insulating layer to be in contact with the second sub-insulating layer, and a first liquid crystal layer which selectively transmits or reflects light provided from the light-guiding substrate. The first liquid crystal layer is disposed in each of first cavities which are defined as closed spaces enclosed by the first sub-insulating layer, the third sub-insulating layer, and the second insulating layer.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 12, 2018
    Inventors: Kwangsoo BAE, Jungsuk BANG, Minjeong OH, Haeju YUN, Donchan CHO
  • Publication number: 20180136384
    Abstract: A backlight unit includes a light source; a light guide plate; and an optical member on the light guide plate. The optical member includes first insulating patterns into which light from the light guide plate is incident to the optical member; a first insulating layer which covers the first insulating patterns; second insulating patterns into which light from the first insulating layer is incident; and a second insulating layer which covers the second insulating patterns. The light guide plate includes a light incident side surface, pairs of insulating patterns each include one first insulating pattern and one second insulating pattern, and in a top plan view, for each pair of insulating patterns, the first insulating pattern is closer to the light incident side surface than the second insulating pattern.
    Type: Application
    Filed: November 14, 2017
    Publication date: May 17, 2018
    Inventors: Kwangsoo BAE, Jungsuk BANG, Minjeong OH, Haeju YUN
  • Publication number: 20180128964
    Abstract: A backlight unit includes a light source which generates light; a light guide plate which guides the light from the light source and emits guided light through an upper thereof; and an optical member disposed on the upper surface of the light guide plate. The optical member includes: a plurality of first insulating patterns into which the guided light from the upper surface of the light guide plate is incident; and a second insulating layer which covers the first insulating patterns to define an upper surface of the optical member through which light exits toward a display panel. Each of the first insulating patterns includes: a bottom portion extended from the upper surface of the light guide plate; and a sidewall portion upwardly extending from a boundary of the bottom portion, the sidewall portion inclined at an angle relative to the upper surface of the light guide plate.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Inventors: Kwangsoo BAE, Jungsuk BANG, Minjeong OH, Haeju YUN, Donchan CHO
  • Publication number: 20180120637
    Abstract: A manufacturing method of a backlight unit includes: providing a light emission surface of a light guide plate to include contact areas and a cavity area between contact areas; forming first sacrifice patterns at the cavity area to have a same width as each other; forming a first insulation layer on the first sacrifice patterns and extended to contact the light emission surface at the contact areas; removing the first sacrifice patterns to form a cavity between the light emission surface and the first insulation layer, at the cavity area; and with the cavity at the cavity area, forming a second insulation layer at the cavity area and at the contact areas. The contact areas are arranged spaced apart from each other in the first direction, and a number of the first sacrifice patterns at the cavity area decreases as a distance in the first direction increases.
    Type: Application
    Filed: October 23, 2017
    Publication date: May 3, 2018
    Inventors: Haeju YUN, Jungsuk BANG, Kwangsoo BAE, Minjeong OH
  • Publication number: 20180106941
    Abstract: A display device includes a light source which generates light, a light guide member which guides the light, and a light collecting member disposed on the light guide member to collect the light provided from the light guide member. The light collecting member includes a plurality of central areas, a plurality of ring areas respectively surrounding the plurality of central areas, and a peripheral area surrounding the plurality of ring areas.
    Type: Application
    Filed: October 4, 2017
    Publication date: April 19, 2018
    Inventors: Haeju YUN, Kwangsoo BAE, Jungsuk BANG, Minjeong OH
  • Publication number: 20180067249
    Abstract: A display device includes a display panel, and a backlight unit including a light guide plate which guides light in an upward direction toward the display panel and including a transmission region and a reflection region; a supporting pattern at the reflection region; a reflection layer on upper and side surfaces of the supporting pattern; and an insulating layer which covers the transmission region and the reflection layer at the reflection region.
    Type: Application
    Filed: August 16, 2017
    Publication date: March 8, 2018
    Inventors: Jungsuk BANG, Hyunyoung JUNG, Kwangsoo BAE, Minjeong OH, Haeju YUN