Patents by Inventor In-Ok Kim

In-Ok Kim 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: 20250151533
    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: January 13, 2025
    Publication date: May 8, 2025
    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
  • Patent number: 12268075
    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: Grant
    Filed: March 13, 2019
    Date of Patent: April 1, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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
  • Patent number: 12219821
    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: Grant
    Filed: June 21, 2023
    Date of Patent: February 4, 2025
    Assignee: 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
  • 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
  • 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
  • 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: 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: 20230284501
    Abstract: A color converting substrate includes a substrate in which a first light transmitting area, a second light transmitting area, and a third light transmitting area are defined; a first stack disposed on the second substrate and overlapping the first light transmitting area, the second light transmitting area, and the third light transmitting area; a first color filter disposed on the first stack and overlapping the first light transmitting area; a second color filter overlapping the second light transmitting area; a third color filter overlapping the third light transmitting area; and a second stack disposed between the first stack and at least one of the second color filter and the third color filter.
    Type: Application
    Filed: October 13, 2020
    Publication date: September 7, 2023
    Inventors: In Ok KIM, Keun Chan OH, Sun Kyu JOO, Jang Soo KIM, Jae Cheol PARK, Jae Min SEONG, You Sik SHIN
  • Patent number: 11730038
    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: Grant
    Filed: October 20, 2022
    Date of Patent: August 15, 2023
    Assignee: 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
  • Patent number: 11723236
    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: Grant
    Filed: December 4, 2020
    Date of Patent: August 8, 2023
    Assignee: 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: 20230209958
    Abstract: A display device includes a first substrate including a first emission area, a second emission area, and a third emission area, each of which is to emit a first light; a second substrate having a first surface facing the first substrate and a second surface opposite to the first surface; a first color filter, a second color filter and a third color filter, and a first wavelength conversion pattern, a second wavelength conversion pattern and a light-transmitting pattern on the first surface of the second substrate. A thickness of the first color filter is greater than a thickness of the second color filter and the thickness of the second color filter is greater than a thickness of the third color filter.
    Type: Application
    Filed: September 21, 2022
    Publication date: June 29, 2023
    Inventors: Chang Soon JANG, In Ok KIM, Chan Su KIM, Keun Chan OH, Gak Seok LEE, Sang Hun LEE, So Yun LEE, Ji Eun JANG
  • Publication number: 20230051958
    Abstract: Provided are a color converting substrate and a display device including same. The color converting substrate includes: a base portion in which a first light transmission area, a first light blocking area, and a second light transmission area, which are sequentially and closely arranged in a first direction, are defined; a first wavelength converting pattern located on the base portion and configured to wavelength-covert a first color light into a second color light; a second wavelength converting pattern located on the base portion and configured to wavelength-convert the first color light into a third color light; and a light transmission pattern located on the base portion and configured to transmit the first color light.
    Type: Application
    Filed: June 24, 2020
    Publication date: February 16, 2023
    Inventors: Jae Min SEONG, In Ok KIM, Keun Chan OH, Gak Seok LEE, Sun Kyu JOO, Byung Chul KIM, In Seok SONG, You Sik SHIN, Ji Eun JANG, Chang Soon JANG, Ha Lim JI
  • Publication number: 20230045221
    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: October 20, 2022
    Publication date: February 9, 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
  • Patent number: 11495643
    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: Grant
    Filed: September 29, 2020
    Date of Patent: November 8, 2022
    Assignee: 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
  • 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
  • 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: 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
  • Patent number: 11081532
    Abstract: Provided is a display apparatus including a display module having a folding region and a plurality of non-folding regions adjacent to the folding region and including a display surface configured to display an image, and a support member below the display module and supporting the display module, wherein the display module is operated in a plurality of modes, and the plurality of modes includes a first mode in which the folding region has a first curvature radius and is folded in a first bending direction which surrounds a virtual first bending axis defined below the display module and a second mode in which the folding region has a second curvature radius and is folded in a second bending direction which surrounds a virtual second bending axis defined above the display module, wherein the first curvature radius is greater than the second curvature radius.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: August 3, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gak Seok Lee, Byung-Chul Kim, Chang-Soon Jang, In Ok Kim, Inseok Song, Keunchan Oh, Jieun Jang
  • Publication number: 20210091156
    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: December 4, 2020
    Publication date: March 25, 2021
    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