Patents by Inventor Haeil Park

Haeil Park 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: 20240361635
    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: July 11, 2024
    Publication date: October 31, 2024
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Publication number: 20240345298
    Abstract: A display panel includes: a light emitting device to generate light; a plurality of color conversion patterns including: a first color conversion pattern including first scattering particles dispersed in the first color conversion pattern and configured to scatter the light of the light emitting device; and a second color conversion pattern including second scattering particles dispersed in the second color conversion pattern and configured to scatter the light of the light emitting device; a plurality of color filters including: a first color filter overlapping the first color conversion pattern; and a second color filter overlapping the second color conversion pattern; and a single, low index of refraction layer continuously extending in the surface direction to overlap the first and the second color conversion patterns. The low index of refraction layer has a refractive index lower than refractive indexes of the first and second color conversion patterns.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Moonjung BAEK, Seon-Tae YOON, Junghyun KWON, Youngmin KIM, Haeil PARK
  • Patent number: 12061390
    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: August 11, 2022
    Date of Patent: August 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon-Tae Yoon, Junghyun Kwon, Kisoo Park, Haeil Park, Moonjung Baek
  • Patent number: 12044870
    Abstract: A display panel includes: a light emitting device to generate light; a plurality of color conversion patterns including: a first color conversion pattern including first scattering particles dispersed in the first color conversion pattern and configured to scatter the light of the light emitting device; and a second color conversion pattern including second scattering particles dispersed in the second color conversion pattern and configured to scatter the light of the light emitting device; a plurality of color filters including: a first color filter overlapping the first color conversion pattern; and a second color filter overlapping the second color conversion pattern; and a single, low index of refraction layer continuously extending in the surface direction to overlap the first and the second color conversion patterns. The low index of refraction layer has a refractive index lower than refractive indexes of the first and second color conversion patterns.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Moonjung Baek, Seon-Tae Yoon, Junghyun Kwon, Youngmin Kim, Haeil Park
  • Patent number: 11963422
    Abstract: Disclosed is a color conversion panel which may include a first pixel area, a second pixel area, a third pixel area, and a non-pixel area positioned between the first pixel area, the second pixel area, and the third pixel area; a substrate; a light blocking layer in a non-pixel area on a substrate, a color filter layer including a first color filter, a second color filter, and a third color filter; a color conversion layer including a first color conversion pattern on the first color filter, a second color conversion pattern on the second color filter, and a light transmission pattern on third color filter; a transmission bank between the first color conversion pattern, the second color conversion pattern, and the light transmission pattern; an opening in the transmission bank; and a reflection bank in the opening of the transmission bank.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: April 16, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keunyoung Park, Hyunwoo Noh, Haeil Park, Moonjung Baek, Kwangkeun Lee, Junhan Lee, Suji Han
  • Patent number: 11737313
    Abstract: A display apparatus includes: a top substrate over a bottom substrate and including a first region; a second-color color filter layer on a bottom surface of the top substrate and having a 2-1st opening exposing the first region; a first-color color filter layer including a portion in the 2-1st opening and a portion on a bottom surface of the second-color color filter layer; a bank between the first-color and the second-color color filter layers and the bottom substrate, the bank having a first opening corresponding to the first region, the first opening including a 1-1st portion overlapping the 2-1st opening and a 1-2nd portion outside the 2-1st opening; a first-color quantum dot layer in the first opening; and a first reflective layer on an inner surface of the first opening and a portion of a top surface of the first-color quantum dot layer.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunwoo Noh, Keunyoung Park, Haeil Park, Moonjung Baek, Kwangkeun Lee, Junhan Lee, Suji Han
  • Publication number: 20230213816
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light amount control layer between the first substrate and the second substrate; a first line disposed on the first substrate and extending in a first direction and a second line disposed on the first substrate and extending in a second direction which intersects the first direction; a light blocking member disposed on the first substrate and overlapping at least one of the first line and the second line; a plurality of color conversion layers on the second substrate in respective pixel areas; and a partition wall among the plurality of color conversion layers, corresponding to the first line and the second line. The partition wall has a width less than a width of the light blocking member.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 6, 2023
    Inventors: Seontae YOON, Junghyun KWON, Donguk KIM, Haeil PARK, Junhan LEE
  • Patent number: 11647662
    Abstract: A display apparatus including a light emitting device layer emitting a first light having a peak wavelength of 500 nm or less, a color control layer disposed on the light emitting device layer, the color control layer including an emitting element converting the first light, a color filter layer disposed on the color control layer, and an absorptive scattering element provided in or on the color control layer. The absorptive scattering element may include a light absorbing portion, in which absorptivity of a green or red light is greater than absorptivity of the first light. Accordingly, reflectance of the display apparatus to an external light may be reduced.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 9, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moonjung Baek, Hyunwoo Noh, Keunyoung Park, Haeil Park, Kwangkeun Lee, Junhan Lee, Suji Han
  • Publication number: 20230132435
    Abstract: A display panel includes: a light emitting device to generate light; a plurality of color conversion patterns including: a first color conversion pattern including first scattering particles dispersed in the first color conversion pattern and configured to scatter the light of the light emitting device; and a second color conversion pattern including second scattering particles dispersed in the second color conversion pattern and configured to scatter the light of the light emitting device; a plurality of color filters including: a first color filter overlapping the first color conversion pattern; and a second color filter overlapping the second color conversion pattern; and a single, low index of refraction layer continuously extending in the surface direction to overlap the first and the second color conversion patterns. The low index of refraction layer has a refractive index lower than refractive indexes of the first and second color conversion patterns.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Inventors: Moonjung BAEK, Seon-Tae YOON, Junghyun KWON, Youngmin KIM, Haeil PARK
  • Patent number: 11567248
    Abstract: A display panel includes: a light emitting device to generate light; a plurality of color conversion patterns including: a first color conversion pattern including first scattering particles dispersed in the first color conversion pattern and configured to scatter the light of the light emitting device; and a second color conversion pattern including second scattering particles dispersed in the second color conversion pattern and configured to scatter the light of the light emitting device; a plurality of color filters including: a first color filter overlapping the first color conversion pattern; and a second color filter overlapping the second color conversion pattern; and a single, low index of refraction layer substantially continuously extending in the surface direction to overlap the first and the second color conversion patterns. The single, low index of refraction layer has a refractive index lower than refractive indexes of the first and second color conversion patterns.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Moonjung Baek, Seon-Tae Yoon, Junghyun Kwon, Youngmin Kim, Haeil Park
  • Publication number: 20220399404
    Abstract: A display panel includes: a window including a display area, and a non-display area adjacent to the display area; a color filter layer on the window; a circuit element layer including: a low refractive index layer covering the color filter layer; and a transistor on the low refractive index layer; a light control layer including: division partition walls on the circuit element layer; and a light control pattern between the division partition walls, and including quantum dots; and a display element layer on the light control layer, and including: a first electrode; a second electrode on the first electrode; and an emission layer between the first electrode and the second electrode and to generate light. The light passes through the light control layer, the circuit element layer, and the color filter layer to be transmitted to the window.
    Type: Application
    Filed: February 15, 2022
    Publication date: December 15, 2022
    Inventors: YOUNGMIN KIM, SHIN TACK KANG, YUJIN KIM, HAEIL PARK, HAJIN SONG, KAP SOO YOON
  • 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
  • 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
  • Patent number: 11428989
    Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: August 30, 2022
    Inventors: Minki Nam, Kyoungwon Park, Baekhee Lee, Youngmin Kim, Haeil Park, Jaikyeong Kim, Heesuk Kim, Wanki Bae, Dohchang Lee, Byeongguk Jeong
  • Publication number: 20220075231
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light amount control layer between the first substrate and the second substrate; a first line disposed on the first substrate and extending in a first direction and a second line disposed on the first substrate and extending in a second direction which intersects the first direction; a light blocking member disposed on the first substrate and overlapping at least one of the first line and the second line; a plurality of color conversion layers on the second substrate in respective pixel areas; and a partition wall among the plurality of color conversion layers, corresponding to the first line and the second line. The partition wall has a width less than a width of the light blocking member.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Inventors: Seontae YOON, Junghyun KWON, Donguk KIM, Haeil PARK, Junhan LEE
  • Publication number: 20220052120
    Abstract: Disclosed is a color conversion panel which may include a first pixel area, a second pixel area, a third pixel area, and a non-pixel area positioned between the first pixel area, the second pixel area, and the third pixel area; a substrate; a light blocking layer in a non-pixel area on a substrate, a color filter layer including a first color filter, a second color filter, and a third color filter; a color conversion layer including a first color conversion pattern on the first color filter, a second color conversion pattern on the second color filter, and a light transmission pattern on third color filter; a transmission bank between the first color conversion pattern, the second color conversion pattern, and the light transmission pattern; an opening in the transmission bank; and a reflection bank in the opening of the transmission bank.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 17, 2022
    Inventors: KEUNYOUNG PARK, HYUNWOO NOH, HAEIL PARK, MOONJUNG BAEK, KWANGKEUN LEE, JUNHAN LEE, SUJI HAN
  • Publication number: 20220052296
    Abstract: A display apparatus includes: a top substrate over a bottom substrate and including a first region; a second-color color filter layer on a bottom surface of the top substrate and having a 2-1st opening exposing the first region; a first-color color filter layer including a portion in the 2-1st opening and a portion on a bottom surface of the second-color color filter layer; a bank between the first-color and the second-color color filter layers and the bottom substrate, the bank having a first opening corresponding to the first region, the first opening including a 1-1st portion overlapping the 2-1st opening and a 1-2nd portion outside the 2-1st opening; a first-color quantum dot layer in the first opening; and a first reflective layer on an inner surface of the first opening and a portion of a top surface of the first-color quantum dot layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: February 17, 2022
    Inventors: Hyunwoo NOH, Keunyoung PARK, Haeil PARK, Moonjung BAEK, Kwangkeun LEE, Junhan LEE, Suji HAN
  • Patent number: 11175537
    Abstract: A display device includes: a first substrate; a second substrate facing the first substrate; a light amount control layer between the first substrate and the second substrate; a first line disposed on the first substrate and extending in a first direction and a second line disposed on the first substrate and extending in a second direction which intersects the first direction; a light blocking member disposed on the first substrate and overlapping at least one of the first line and the second line; a plurality of color conversion layers on the second substrate in respective pixel areas; and a partition wall among the plurality of color conversion layers, corresponding to the first line and the second line. The partition wall has a width less than a width of the light blocking member.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: November 16, 2021
    Inventors: Seontae Yoon, Junghyun Kwon, Donguk Kim, Haeil Park, Junhan Lee
  • Patent number: 11175530
    Abstract: A liquid crystal display (“LCD”) panel and an LCD device according to an exemplary embodiment may provide a first base substrate, a first polarizing layer disposed between the first base substrate and a liquid crystal layer, a first low refraction layer disposed between the first base substrate and the first polarizing layer and having a refractive index less than that of the first base substrate, and a color converting member disposed between the first low refraction layer and the first polarizing layer and including a quantum dot in an integrated manner, to realize excellent optical characteristics and have a small thickness.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 16, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Haeil Park, Yongseok Kim, Jinho Park, Gabsoo Han
  • Publication number: 20210335893
    Abstract: A display apparatus including a light emitting device layer emitting a first light having a peak wavelength of 500 nm or less, a color control layer disposed on the light emitting device layer, the color control layer including an emitting element converting the first light, a color filter layer disposed on the color control layer, and an absorptive scattering element provided in or on the color control layer. The absorptive scattering element may include a light absorbing portion, in which absorptivity of a green or red light is greater than absorptivity of the first light. Accordingly, reflectance of the display apparatus to an external light may be reduced.
    Type: Application
    Filed: January 27, 2021
    Publication date: October 28, 2021
    Inventors: MOONJUNG BAEK, HYUNWOO NOH, KEUNYOUNG PARK, HAEIL PARK, KWANGKEUN LEE, JUNHAN LEE, SUJI HAN