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: 11469403
    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 from the first color.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: October 11, 2022
    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
  • Patent number: 11450714
    Abstract: A display panel includes a display element layer configured to output first color light, an encapsulation layer disposed on the display element layer, a light control layer disposed on the encapsulation layer and including a first conversion part configured to output second color light, a second conversion part configured to output third color light, and a transmission part configured to transmit the first color light, a light absorbing layer disposed on the encapsulation layer to cover the first and second conversion parts and expose at least a portion of a top surface of the transmission part, and a color filter layer disposed on the light absorbing layer. The light absorbing layer is configured to absorb the first color light and to transmit the second color light and the third color light.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun-Kyu Joo, Keunchan Oh
  • Publication number: 20220271095
    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: Application
    Filed: January 10, 2021
    Publication date: August 25, 2022
    Inventors: YOUYOUNG JIN, KEUNCHAN OH, CHANSU KIM, JAEMIN SEONG, GAK SEOK LEE, SUN-KYU JOO, HALIM JI
  • Patent number: 11424296
    Abstract: A display panel includes: an upper display substrate including a plurality of pixel areas arranged in each of a plurality of pixel columns and a light blocking area disposed adjacent to the pixel areas; and a lower display substrate including a plurality of display elements respectively overlapping the pixel areas, wherein the upper display substrate includes: a base substrate; a color filter layer disposed on the base substrate; and a light control layer disposed on the color filter layer and including transmission portions respectively at least partially overlapping first pixel areas arranged in a first one of the pixel columns and first conversion portions respectively at least partially overlapping second pixel areas arranged in a second one of the pixel columns, wherein the light blocking area includes a first light blocking area defined between the transmission portion and the first conversion portion, and a second light blocking area defined between the first conversion portions, and a first shortest d
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: August 23, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-kyu Joo, Keunchan Oh, Byung-Chul Kim, Inok Kim, Jaemin Seong, Gakseok Lee, Jieun Jang, Inseok Song, Chang-Soon Jang
  • Patent number: 11393880
    Abstract: A display device including a base layer including a thin film transistor, a pixel definition layer including an opening, first to third organic light emitting elements each including a first electrode, a second electrode, and a light emitting layer therebetween, an encapsulation member including a first inorganic layer covering the organic light emitting elements, a second inorganic layer disposed thereon, a first color conversion pattern disposed between the inorganic layers and overlapping the first organic light emitting element, and a second color conversion pattern disposed between the inorganic layers and overlapping the second organic light emitting element, and first and second color filter patterns having different colors from each other and overlapping the first and second color conversion patterns, respectively, in which colors of light emitted from the first and second color conversion patterns are substantially the same as colors of the first and second color filter patterns, respectively.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: July 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Keunchan Oh, Sun-kyu Joo, Byungchul Kim, Inok Kim, Inseok Song, Gakseok Lee
  • Publication number: 20220123080
    Abstract: A display device includes: a substrate; a thin film transistor disposed on the substrate; an insulation layer disposed on the thin film transistor and defining a contact hole; a pixel electrode disposed on the insulation layer and overlapping a portion of the contact hole in a plan view; and a light emitting layer disposed on the pixel electrode. The pixel electrode includes: a first portion overlapping the light emitting layer in the plan view; a second portion overlapping a portion of a lower surface of the contact hole in the plan view; and a third portion extending from the first portion to the second portion.
    Type: Application
    Filed: August 10, 2021
    Publication date: April 21, 2022
    Inventors: SU JEONG KIM, SUN-KYU JOO
  • Patent number: 11309360
    Abstract: A color conversion substrate includes a base on which first to third light outputting regions and a light shielding region surrounding the first to third light outputting regions are defined; first to third color filters on the base in the first to third light outputting regions, respectively; a first light shielding member on the first color filter in the light shielding region; a light transmission pattern on the first color filter; a first wavelength conversion pattern on the second color filter and which converts light of a first color into light of a second color; and a second wavelength conversion pattern on the third color filter and which converts the light of the first color into light of a third color. A first opening located in the light shielding region is defined in at least one of the light transmission pattern and the first and second wavelength conversion patterns.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kyu Joo, Byung Chul Kim, In Ok Kim, Jae Min Seong, In Seok Song, Keun Chan Oh, Gak Seok Lee, Ji Eun Jang, Chang Soon Jang
  • Publication number: 20220102433
    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: Application
    Filed: June 23, 2021
    Publication date: March 31, 2022
    Inventors: INOK KIM, YOUYOUNG JIN, YOUSIK SHIN, KEUNCHAN OH, GAK SEOK LEE, SUNGJOON CHO, SUN-KYU JOO
  • Patent number: 11289544
    Abstract: A display device is provided. A display device includes a plurality of pixels arranged in a row axis and in a column axis that intersects the row axis, a first substrate on which a light-emitting element disposed in each of the pixels is disposed, a second substrate which faces the first substrate, and a first wavelength conversion pattern disposed on the second substrate in a first pixel column and which converts wavelength of light emitted from the light-emitting element. The first wavelength conversion pattern includes a first main pattern part arranged in a stripe fashion along the column axis and a protruding pattern part projected from the first main pattern part toward at least one of first and second directions of the row axis.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Kyu Joo, Keun Chan Oh, Byung Chul Kim, In Ok Kim, In Seok Song, Gak Seok Lee, Chang Soon Jang
  • Publication number: 20220085114
    Abstract: A color transformation substrate comprises: a base portion having first and second light-blocking areas and first to third light-transmitting areas, where the light-transmitting areas are successively positioned along a first direction; first to third color filters positioned in the first to third light-transmitting areas, respectively; a light-blocking member positioned in the first light-blocking area, and including part contacting the base portion; a color pattern positioned in the second light-blocking area so as to contact the base portion; a first wavelength conversion pattern positioned on the second color filter so as to wavelength-convert light having a first color into light having a second color; and a second wavelength conversion pattern positioned on the third color filter so as to wavelength-convert light having the first color into light having a third color different from light having the second color. The color pattern and the first color filter comprise the same color material.
    Type: Application
    Filed: March 13, 2019
    Publication date: March 17, 2022
    Inventors: Jae Min SEONG, Keun Chan OH, Gak Seok LEE, Sun Kyu JOO, Byung Chul KIM, In Ok KIM, In Seok SONG, Ji Eun JANG, Chang Soon JANG
  • Publication number: 20220085334
    Abstract: A display device is provided. The display device comprises: a first substrate including a plurality of pixels; a second substrate opposite to the first substrate; and an optical path change layer disposed between the first and second substrates and including a first pattern portion and a second pattern portion, wherein the first pattern portion has a first refractive index and includes a blue colorant, and the second pattern portion has a second refractive index smaller than the first refractive index.
    Type: Application
    Filed: February 19, 2019
    Publication date: March 17, 2022
    Inventors: Keun Chan OH, Sun Kyu JOO
  • Publication number: 20220050330
    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: Application
    Filed: March 25, 2020
    Publication date: February 17, 2022
    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: 20220037443
    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: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    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: 20220037628
    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: Application
    Filed: September 24, 2021
    Publication date: February 3, 2022
    Inventors: Sun-kyu JOO, Keunchan OH, Byungchul KIM, Inok KIM, Gakseok LEE, Jaemin SEONG, Inseok SONG, Jieun JANG
  • Publication number: 20210408162
    Abstract: A display device includes a display panel including a first pixel area and a second pixel area. The first pixel area includes a first pixel, a second pixel, and a third pixel, and the second pixel area includes a fourth pixel, a fifth pixel, and a sixth pixel. The first pixel and the second pixel are arranged to be adjacent to each other in a first direction, and the third pixel is arranged to be adjacent to the first pixel and the second pixel in a second direction that intersects the first direction. The third pixel and the fourth pixel emitting a same color are arranged to be adjacent to each other in the second direction, the fifth pixel is spaced apart from the first pixel in the second direction, and the sixth pixel is spaced apart from the second pixel in the second direction.
    Type: Application
    Filed: May 27, 2021
    Publication date: December 30, 2021
    Inventors: SUN-KYU JOO, KEUNCHAN OH, INOK KIM, JAE CHEOL PARK, JAEMIN SEONG, YOUSIK SHIN
  • Patent number: 11195885
    Abstract: A display device includes: a first substrate; a second substrate on the first substrate; a pixel between the first substrate and the second substrate and including a pixel area and a non-pixel area around the pixel area; a color filter between the pixel and the second substrate and overlapping with the pixel area; and a plurality of protrusions between the second substrate and the color filter, and each of the protrusions has a width that decreases as a distance from the second substrate increases.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 7, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gak Seok Lee, Byung-Chul Kim, Inok Kim, Jaemin Seong, Inseok Song, Keunchan Oh, Jieun Jang, Chang-Soon Jang, Sun-Kyu Joo
  • Publication number: 20210376021
    Abstract: A display device includes a lower substrate, a pixel defining layer, a light emitting layer, an upper substrate, and a light blocking layer. The pixel defining layer is disposed on the lower substrate and includes a first opening and a second opening spaced apart from the first opening in a first direction. The light emitting layer is disposed in each of the first opening and the second opening. The upper substrate is disposed on the light emitting layer. The light blocking layer is disposed on the upper substrate and includes a third opening partially exposing the first opening and a fourth opening partially exposing the second opening. A first shape in which the first opening is exposed by the third opening and a second shape in which the second opening is exposed by the fourth opening are symmetrical to each other about a line of symmetry in a plan view.
    Type: Application
    Filed: February 17, 2021
    Publication date: December 2, 2021
    Inventors: SUN-KYU JOO, KEUNCHAN OH, JANGSOO KIM, JAE CHEOL PARK, GAK SEOK LEE
  • Patent number: 11165049
    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 10, 2019
    Date of Patent: November 2, 2021
    Inventors: Sun-kyu Joo, Keunchan Oh, Byungchul Kim, Inok Kim, Gakseok Lee, Jaemin Seong, Inseok Song, Jieun Jang
  • Patent number: 11158699
    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: July 16, 2020
    Date of Patent: October 26, 2021
    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: 20210320155
    Abstract: A display device includes: a first base layer; a circuit element layer on the first base layer; a pixel definition layer on the circuit element layer and comprising a plurality of light-emitting openings which are spaced apart from each other and define a plurality of light-emitting regions; a second base layer spaced apart from and facing the first base layer; a light-shielding layer on the second base layer and comprising a plurality of openings respectively overlapping the light-emitting regions, wherein on a plane of the first base layer, shapes of first to third openings along one direction among the openings are different from each other.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Inventors: Sun-Kyu JOO, Keunchan OH, Byung-Chul KIM, Inok KIM, Gak Seok LEE, Jieun JANG, Inseok SONG, Chang-Soon JANG