Patents by Inventor Sun Kyu Joo

Sun Kyu Joo 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: 12114528
    Abstract: A display panel includes a base substrate including: a plurality of pixel regions and a peripheral region adjacent thereto; a pixel defining film disposed on the base substrate and having a plurality of openings, each of which corresponding to a respective one of the plurality of pixel regions; a plurality of light emitting elements disposed on the base substrate corresponding to the plurality of openings and configured to generate first color light; an encapsulation member disposed on the plurality of light emitting elements; a light shield pattern disposed on the encapsulation member and overlapping the peripheral region when viewed in a plan view; and a light control layer disposed on the encapsulation member and the light shield pattern and overlapping the plurality of pixel regions. The pixel defining film includes a first color material, and the light shield pattern includes a second color material different form the first color.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: October 8, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Kyu Joo, Byung-Chul Kim, Inok Kim, Jaecheol Park, Jaemin Seong, Inseok Song, Keunchan Oh, Gak Seok Lee, Jieun Jang, Chang-Soon Jang
  • Publication number: 20240334775
    Abstract: A display device includes a first emission area, a second emission area disposed adjacent to the first emission area, and a non-emission area, a base member disposed in the first emission area, the second emission area, and the non-emission area, a light emitting element part disposed and including a first light emitting element disposed in the first emission area and a second light emitting element disposed in the second emission area, a wavelength conversion part disposed on the light emitting element part and including a first wavelength conversion pattern, a first insulating layer covering the first wavelength conversion pattern, opened at a portion disposed adjacent to the first emission area, exposing a portion of the first wavelength conversion pattern, and a light blocking member disposed in the non-emission area and covering the portion of the first wavelength conversion pattern. The wavelength conversion part is disposed in the second emission area.
    Type: Application
    Filed: November 6, 2023
    Publication date: October 3, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: You Young JIN, Keun Chan OH, Jae Cheol PARK, Gak Seok LEE, Sun Kyu JOO
  • Publication number: 20240276826
    Abstract: A display device includes: a pixel electrode layer disposed on a substrate, a light emitting layer disposed on the pixel electrode layer, a bank layer disposed on the light emitting layer and defining first, second, and third openings, a first color conversion layer disposed in the first opening and including first quantum dots, and a scattering layer disposed in a layer between the pixel electrode and the bank layer, such that the scattering layer and at least a part of the first color conversion layer cover mutually exclusive parts of the substrate, the scattering layer including a base resin and a plurality of scattering particles dispersed in the base resin.
    Type: Application
    Filed: December 13, 2023
    Publication date: August 15, 2024
    Inventors: SANGJI PARK, CHEOL SHIN, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, SUN-KYU JOO, WOO-MAN JI, WONSUK HAN, TAE HYUNG HWANG
  • Publication number: 20240244935
    Abstract: A display device includes a display panel, a first light conversion layer, a second light conversion layer, and a light transmission layer, which are disposed on the display panel and spaced apart from each other, a plurality of bank layers, each of which is disposed on the display panel and which are disposed between the first light conversion layer and the second light conversion layer and between the light transmission layer and each of the first and second light conversion layers, a spacer, which is disposed below a bank layer of the bank layers and faces the display panel, and a plurality of lenses which are disposed below the first light conversion layer, the second light conversion layer, and the light transmission layer, and face the display panel. The spacer and the plurality of lenses may be disposed in a same layer.
    Type: Application
    Filed: November 1, 2023
    Publication date: July 18, 2024
    Inventors: DOKYUNG YOUN, SANGJI PARK, CHEOL SHIN, KEUNCHAN OH, SONGEE LEE, SUN-KYU JOO, WOO-MAN JI, YOUYOUNG JIN, TAE HYUNG HWANG
  • Publication number: 20240244892
    Abstract: A display device includes multiple light emitting devices disposed on a substrate, each including a first electrode, an emission layer, and a second electrode, a pixel defining layer including multiple openings overlapping the first electrode in a plan view, an encapsulation layer covering the light emitting devices and including multiple first openings overlapping the pixel defining layer in a plan view, a bank disposed on the encapsulation layer, overlapping the first openings in a plan view, and including multiple second openings overlapping the light emitting devices in a plan view, a first color conversion layer, a second color conversion layer, and a transmission layer, each disposed inside the second openings, and a spacer disposed on the bank and including a colored material.
    Type: Application
    Filed: November 17, 2023
    Publication date: July 18, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Song Ee LEE, Sang Ji PARK, Cheol SHIN, Keun Chan OH, DOKYUNG YOUN, Sun-Kyu JOO, Woo-Man JI, You Young JIN, Tae Hyung HWANG
  • Publication number: 20240237469
    Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.
    Type: Application
    Filed: August 16, 2023
    Publication date: July 11, 2024
    Inventors: SUN-KYU JOO, DAEHYEON KIM, Hong Il Kim, SANGJI PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, CHANG-MIN LEE, HYUNSHIK LEE, WOO-MAN JI, TAE HYUNG HWANG
  • Patent number: 12022687
    Abstract: A display panel includes a first display substrate including first to third pixel areas and a light blocking area that is adjacent to the first to third pixel areas and a second display substrate including first to third display elements respectively overlapping the first to third pixel areas. The first display substrate includes a base substrate, a first color filter overlapping the first pixel area and having a first color, a second color filter overlapping the second pixel area and having a second color different from the first color, a third color filter disposed on the base substrate, having a third color different from the first and second colors, and including a filter portion overlapping the third pixel area and a light blocking portion overlapping the light blocking area, and a light blocking member disposed on the light blocking portion and containing a black organic pigment.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: June 25, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-kyu Joo, Keunchan Oh, Byungchul Kim, Inok Kim, Gakseok Lee, Jaemin Seong, Inseok Song, Jieun Jang
  • Patent number: 12016233
    Abstract: A display device may include a substrate, a first color conversion layer on the substrate, a low refractive layer on the first color conversion layer and including low refractive structures, a planarization layer on the low refractive layer, and a first color filter on the planarization layer. The planarization layer may also be between the low refractive structures.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: June 18, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Inok Kim, Youyoung Jin, Yousik Shin, Keunchan Oh, Gak Seok Lee, Sungjoon Cho, Sun-Kyu Joo
  • Patent number: 12007647
    Abstract: A display device includes: a display panel; and a color conversion panel overlapping with the display panel. The color conversion panel includes: a substrate; a first color conversion pattern on the substrate; a second color conversion pattern on the substrate, and partially overlapping with the first color conversion pattern; a first reflective partition wall between the first color conversion pattern and the second color conversion pattern; a first color filter between the substrate and the first color conversion pattern; and a second color filter between the substrate and the second color conversion pattern.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: June 11, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Byung-Chul Kim, In-Ok Kim, Jae-Min Seong, In-Seok Song, Gak-Seok Lee, Ji-Eun Jang, Sun-Kyu Joo, Ha-Lim Ji
  • Publication number: 20240142678
    Abstract: A display device includes a display unit including a lower substrate and first, second, and third light emitting elements disposed on the lower substrate, a color filter unit including an upper substrate having a lower surface facing the first, second, and third light emitting elements, a filler disposed between the display unit and the color filter unit and including a wavelength conversion particle. The color filter unit further includes a color filter layer including first, second, and third color filters disposed on the lower surface of the upper substrate, a bank layer disposed below the color filter layer and including first, second, and third openings, a first column spacer filling the first opening, and a second column spacer filling the second opening.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 2, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: SUN-KYU JOO, SANGJI PARK, JAE CHEOL PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, WOO-MAN JI, TAE HYUNG HWANG
  • Publication number: 20240138226
    Abstract: A display device includes: a blue color filter layer in a blue transmission region of an upper substrate, and including first scattering particles; a green color filter layer in a green transmission region of the upper substrate, and including second scattering particles; a red color filter layer in a red transmission region of the upper substrate; a partition wall on the upper substrate and defining a blue transmission opening, a green transmission opening, and a red transmission opening, which overlap the blue transmission region, the green transmission region, and the red transmission region, respectively; a color conversion layer including red color conversion particles and third scattering particles, and accommodated in the red transmission opening; a light emitting element layer on a lower substrate facing the upper substrate; and a filling material between the upper substrate and the lower substrate.
    Type: Application
    Filed: August 15, 2023
    Publication date: April 25, 2024
    Inventors: SUN-KYU JOO, DAEHYEON KIM, Hong Il Kim, SANGJI PARK, KEUNCHAN OH, DOKYUNG YOUN, SONGEE LEE, CHANG-MIN LEE, HYUNSHIK LEE, WOO-MAN JI, TAE HYUNG HWANG
  • Patent number: 11943987
    Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gak Seok Lee, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Ji Eun Jang, Chang Soon Jang, Sun Kyu Joo, Ha Lim Ji
  • Patent number: 11889723
    Abstract: A display device including a substrate that includes a circuit layer; an insulating layer on the substrate; a pixel defining layer on the insulating layer, the pixel defining layer having an opening exposing a region of a top surface of the insulating layer; a light blocking layer covering a top surface and a side surface of the pixel defining layer; and an organic electroluminescent element in the opening, wherein the organic electroluminescent element includes a first electrode on the region of the top surface of the insulating layer exposed through the opening; at least one organic layer on the first electrode; and a second electrode on the at least one organic layer.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 30, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung-chul Kim, Sujeong Kim, Kiyoung Yeon, Sun-kyu Joo, Chul Huh, Inok Kim, Hyeran Mun, Inseok Song, Wooyoung Lee, Yui-ku Lee
  • Publication number: 20240016041
    Abstract: A color conversion substrate includes: a blue color filter on an upper substrate; a first color filter on the blue color filter, and exposing the blue color filter in a blue opening area; a partition on the blue color filter and the first color filter, and surrounding the blue opening area; a first color conversion pattern on the first color filter, overlapping with the first color filter, and accommodated by the partition; and a filler on the blue color filter, accommodated by the partition in the blue opening area, and covering the first color conversion pattern.
    Type: Application
    Filed: May 3, 2023
    Publication date: January 11, 2024
    Inventors: SUN-KYU JOO, KEUNCHAN OH, TAIMEI KODAIRA, SANGJI PARK, DOKYUNG YOUN, WOO-MAN JI, TAE HYUNG HWANG
  • Publication number: 20230387359
    Abstract: A display device includes a substrate, a partition layer disposed on the substrate, and comprising a first accommodating opening, a second accommodating opening, a third accommodating opening, and a spacer area spaced apart from the first accommodating opening and the second accommodating opening, a first color conversion layer disposed in the first accommodating opening, a second color conversion layer disposed in the third accommodating opening, a scattering layer disposed in the third accommodating opening, and a spacer disposed on the spacer area of the partition layer. The spacer and the scattering layer comprises a same material.
    Type: Application
    Filed: April 11, 2023
    Publication date: November 30, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: SUN-KYU JOO, KEUNCHAN OH, JUN-WOO HYUNG
  • Patent number: 11825721
    Abstract: A display panel, includes: a base substrate including a pixel region and a peripheral region adjacent to the pixel region; a reflection pattern disposed on the base substrate; a light conversion pattern disposed on the base substrate and overlapping the reflection pattern, the light conversion pattern including a top surface and a side surface; an emitter disposed on the light conversion pattern to emit a source light, the emitter being in contact with at least the side surface of the light conversion pattern; a color filter disposed on the top surface of the light conversion pattern; and a light-blocking pattern disposed outside the color filter.
    Type: Grant
    Filed: January 10, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youyoung Jin, Keunchan Oh, Chansu Kim, Jaemin Seong, Gak Seok Lee, Sun-Kyu Joo, Halim Ji
  • Publication number: 20230337476
    Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sun-Kyu JOO, In Seok SONG, Keun Chan OH, Byung-Chul KIM, In Ok KIM, Gak Seok LEE, Chang-Soon JANG
  • Publication number: 20230335686
    Abstract: A color conversion panel includes a plurality of banks which partition a first emission area, a second emission area and a third emission area of the color conversion panel at which light of different colors are respectively emitted, a color conversion layer which color-converts light, in the first emission area, and a transmission layer which transmits light without color conversion, in the second emission area and the third emission area.
    Type: Application
    Filed: February 10, 2023
    Publication date: October 19, 2023
    Inventors: Sun-Kyu JOO, Keun Chan OH, Min-Jae KIM, Jae Cheol PARK, DOKYUNG YOUN, Yeo Geon YOON, Chang-Hun LEE, Woo-Man JI
  • Publication number: 20230337501
    Abstract: A light emitting display device comprises a substrate, a first pixel electrode disposed on the substrate, a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode, a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film, and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix is one of red light, green light, and blue light. The first opening of the black matrix may have a shape with a curved portion.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 19, 2023
    Applicant: Samsung Display Co. Ltd.
    Inventors: Sun Kyu JOO, Byung Chul KIM, Sung Chul KIM, Su Jeong KIM, In Ok KIM, Hye Ran MUN, In Seok SONG, Keun Chan OH, Jae Jin LYU, Yui Ku LEE
  • Publication number: 20230320162
    Abstract: A display device is disclosed that includes a base layer, a display element layer, a circuit element layer, a light control layer, and a quantum dot layer. The base layer includes first, second, and third light emitting regions and a non-light emitting region. The display element layer is disposed above the base layer and includes first, second, and third light emitting elements providing source light to the first, second, and third light emitting regions, respectively, toward the base layer. The circuit element layer is disposed between the base layer and the display element layer and includes first, second, and third pixel circuits connected to the first, second, and third light emitting elements, respectively, and overlapping the non-light emitting region. The light control layer is disposed between the display element layer and the circuit element layer and includes a color filter layer that includes first, second, and third color filters.
    Type: Application
    Filed: January 30, 2023
    Publication date: October 5, 2023
    Inventors: SUN-KYU JOO, KEUNCHAN OH, JAE CHEOL PARK, HYEOKJIN LEE