Patents by Inventor Seon-Tae Yoon

Seon-Tae Yoon 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: 20220382104
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Application
    Filed: August 11, 2022
    Publication date: December 1, 2022
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20220293685
    Abstract: A display panel may include first to third light emitting elements providing source light, first to third color filters, a first optical pattern between a first color filter and the first light emitting element, a second optical pattern between the second color filter and the second light emitting element, a third optical pattern between the third color filter and the third light emitting element, and a refractive layer between the first color filter and the first optical pattern, between the second color filter and the second optical pattern, and between the third optical pattern and the third light emitting element.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 15, 2022
    Inventors: HYESEUNG LEE, JUNGHYUN KWON, HYOJOON KIM, SEON-TAE YOON
  • Patent number: 11442309
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: September 13, 2022
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20220091445
    Abstract: A display device includes a lower substrate including first and second pixel areas and a light shielding area surrounding the first and second pixel areas, a light emitting structure disposed on the lower substrate, an upper substrate disposed on the light emitting structure, a first color conversion layer disposed in the first pixel area on a bottom surface of the upper substrate, a second color conversion layer disposed in the second pixel area on the bottom surface of the upper substrate, first to third light shielding patterns disposed in the light shielding area on the bottom surface of the upper substrate, a groove defined on a bottom surface of at least one selected from the first to third light shielding patterns, and a spacer disposed in the groove.
    Type: Application
    Filed: August 9, 2021
    Publication date: March 24, 2022
    Inventors: SEON-TAE YOON, JUNGHYUN KWON, HYOJOON KIM, YUNHA RYU, KISOO PARK, HYESEUNG LEE
  • Publication number: 20220077239
    Abstract: A color conversion panel includes a first color filter and a second color filter that are disposed on a substrate, a low refractive index layer disposed on the substrate, the first color filter, and the second color filter, the low refractive index layer including at least one of a first blue pigment and a first blue dye, a first color conversion layer overlapping the first color filter and including a semiconductor nanocrystal, a second color conversion layer overlapping the second color filter and including a semiconductor nanocrystal, and a transmissive layer that overlaps the low refractive index layer.
    Type: Application
    Filed: August 11, 2021
    Publication date: March 10, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyo Joon KIM, Jung Hyun KWON, Yun Ha RYU, Ki Soo PARK, Seon-Tae YOON, Hye Seung LEE
  • Publication number: 20220005985
    Abstract: A display device includes a first light emitting element which overlaps a first light emitting region, and emits first color light, a first wavelength conversion pattern which overlaps the first light emitting element, and wavelength-converts the first color light into a second color light, and a first color filter which overlaps the first wavelength conversion pattern, and includes a first light absorbing colorant and a colorant of the second color, where the colorant of the second color blocks transmission of the first color light and transmits the second color light, where the colorant of the second color transmits light in a first overlapping wavelength range in which a first emission spectrum of the first wavelength conversion pattern overlaps a first light absorption spectrum of the first wavelength conversion pattern, and where the first light absorbing colorant absorbs the light in the first overlapping wavelength range.
    Type: Application
    Filed: March 8, 2021
    Publication date: January 6, 2022
    Inventors: Hyo Joon KIM, Jung Hyun KWON, Seon Tae YOON, Yun Ha RYU, Hye Seung LEE, Ki Soo PARK
  • Publication number: 20210391390
    Abstract: A display device includes a display panel, a wavelength control layer disposed on the display panel, a light control member disposed on the wavelength control layer, and a cover layer disposed on the light control member. The light control member includes an inorganic layer disposed on the wavelength control layer and having a first refractive index, a first light control layer disposed on the inorganic layer and having a second refractive index, a second light control layer disposed on the first light control layer and having a third refractive index, and a color filter layer disposed on the second light control layer. The first refractive index is greater than the second refractive index and is less than a refractive index of the wavelength control layer, and the third refractive index is greater than the second refractive index and is less than a refractive index of the color filter layer.
    Type: Application
    Filed: April 8, 2021
    Publication date: December 16, 2021
    Inventors: SEON-TAE YOON, JUNGHYUN KWON, HYOJOON KIM, YUNHA RYU, KISOO PARK, HYESEUNG LEE
  • Patent number: 11187942
    Abstract: A color conversion panel includes a substrate and a red color conversion layer, a green color conversion layer, and a transmission layer which are disposed on the substrate. The transmission layer includes at least one of a pigment and a dye.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Young Min Kim, Hae Il Park, Seon-Tae Yoon, Baek Hee Lee, Kun Hee Jo
  • Patent number: 11163195
    Abstract: A display device including: a first substrate; a second substrate facing the first substrate; a light-amount adjusting layer interposed between the first substrate and the second substrate; and a backlight unit disposed under the first substrate, wherein the second substrate includes a plurality of color conversion layers respectively disposed on a plurality of pixel regions, the color conversion layer includes a partition wall; and a phosphor disposed on areas defined by the partition wall, and the color conversion layer includes an air layer between the second substrate and the phosphor.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: November 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Jung Hyun Kwon, Seon Tae Yoon, Hae Il Park
  • Publication number: 20210328168
    Abstract: A color conversation panel according to an embodiment may include partitioning walls disposed on a substrate, reflective layers disposed on outer surfaces of the partitioning walls, overcoats disposed outside on outer surfaces of the reflective layers and having water repellency, a spacer overlapping a part of the partitioning walls and protruding from a part of the overcoats, the spacer and the overcoats being formed on a same layer, and color conversion layers disposed on the overcoats and disposed in areas defined by the partitioning walls.
    Type: Application
    Filed: January 14, 2021
    Publication date: October 21, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Soo PARK, Jung Hyun KWON, Hyo Joon KIM, Yun Ha RYU, Seon-Tae YOON, Hye Seung LEE
  • Publication number: 20210225943
    Abstract: A display panel may include a first display substrate and a second display substrate on the first display substrate. The second display substrate may include a plurality of pixel regions and a peripheral region adjacent to the pixel regions. The second display substrate may include a first color control pattern configured to emit light of a first color, a second color control pattern spaced apart from the first color control pattern in a first direction and configured to emit light of a second color different from the first color, and first and second light-blocking patterns in the peripheral region between the first and second color control patterns. The first and second light-blocking patterns may be spaced apart from each other, in a second direction crossing the first direction, to define a gap region.
    Type: Application
    Filed: October 8, 2020
    Publication date: July 22, 2021
    Inventors: Kisoo PARK, Junghyun KWON, Youngmin KIM, Hae Il PARK, Seon-Tae YOON, Hyeseung LEE
  • Patent number: 11048029
    Abstract: A color conversion panel includes a substrate, a plurality of color conversion layers and a transmission layer on the substrate, a capping layer on the plurality of color conversion layers and the transmission layer, and a filter layer on the capping layer.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Hae Il Park, Jung Hyun Kwon, Kwang Keun Lee, Jun Han Lee
  • Patent number: 11036087
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: June 15, 2021
    Inventors: Kwangkeun Lee, Youngmin Kim, Haeil Park, Moonjung Baek, Seon-tae Yoon, Kunhee Jo
  • Publication number: 20210172572
    Abstract: A color conversion panel includes a first color conversion layer, a second color conversion layer, and a light wavelength conversion layer. The first color conversion layer includes a first semiconductor nanocrystal set for providing red light. The second color conversion layer neighbors the first color conversion layer and includes a second semiconductor nanocrystal set for providing first green light. The light wavelength conversion layer neighbors the second light conversion layer, may provide blue light, and includes a third semiconductor nanocrystal set for providing second green light.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Inventors: Seon-Tae YOON, Jung Hyun KWON, Ki Soo PARK, Hae Il PARK, Moon Jung BAEK
  • Publication number: 20210132446
    Abstract: A liquid crystal display includes: a display panel; and a color conversion layer positioned on the display panel, wherein the color conversion layer includes a scattering layer including a color conversion media layer and scatterers.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Inventors: Kwang Keun LEE, Young Min KIM, Hae Il PARK, Seon-Tae YOON, Jun Han LEE
  • Publication number: 20210116752
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Application
    Filed: December 3, 2020
    Publication date: April 22, 2021
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Patent number: 10948137
    Abstract: A color conversion panel includes a first color conversion layer, a second color conversion layer, and a light wavelength conversion layer. The first color conversion layer includes a first semiconductor nanocrystal set for providing red light. The second color conversion layer neighbors the first color conversion layer and includes a second semiconductor nanocrystal set for providing first green light. The light wavelength conversion layer neighbors the second light conversion layer, may provide blue light, and includes a third semiconductor nanocrystal set for providing second green light.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: March 16, 2021
    Inventors: Seon-Tae Yoon, Jung Hyun Kwon, Ki Soo Park, Hae Il Park, Moon Jung Baek
  • Patent number: 10928678
    Abstract: A liquid crystal display device includes a light source member and a display panel disposed on the light source member. The display panel includes a first substrate and a second substrate facing each other, a liquid crystal layer, and a color conversion layer that is disposed between the liquid crystal layer and the first substrate. The color conversion layer includes a light emitter and a low refractive body having a refractive index of about 1.0 to about 1.3. The liquid crystal display device exhibits high color reproducibility and improves external light extraction efficiency.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: February 23, 2021
    Inventors: Kwangkeun Lee, Youngmin Kim, Haeil Park, Moonjung Baek, Seon-tae Yoon, Kunhee Jo
  • Patent number: 10901265
    Abstract: A liquid crystal display includes: a display panel; and a color conversion layer positioned on the display panel, wherein the color conversion layer includes a scattering layer including a color conversion media layer and scatterers.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 26, 2021
    Inventors: Kwang Keun Lee, Young Min Kim, Hae II Park, Seon-Tae Yoon, Jun Han Lee
  • Patent number: 10866457
    Abstract: A display apparatus includes a backlight unit comprising a light source emitting blue light, a green color conversion material and a red color conversion material, a first polarizer disposed on the backlight unit, a first base substrate disposed on the first polarizer, a thin film transistor disposed on the first base substrate, a second polarizer disposed on the thin film transistor, a first color conversion pattern and a second color conversion pattern disposed on the second polarizer, a first color filter disposed on the first color conversion pattern, a second color filter disposed on the second color conversion pattern, a second base substrate disposed on the first and second color filters, and a third polarizer disposed on the second base substrate and having a polarizing axis same as a polarizing axis of the second polarizer.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: December 15, 2020
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek