Patents by Inventor Gak-Seok Lee

Gak-Seok Lee 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: 20240118466
    Abstract: A color control member includes a light control layer including quantum dots, a color filter layer disposed on the light control layer, and a low refractive layer disposed between the color filter layer and the light control layer. The low refractive layer includes a base resin, a plurality of non-hollow inorganic particles dispersed in the base resin and of which inner portions are filled. A weight percent of the base resin is in a range of about 40 wt % to about 45 wt % with respect to a total weight of the low refractive layer, and a weight percent of the non-hollow inorganic particles is in a range of about 40 wt % to about 45 wt % with respect to the total weight of the low refractive layer. The color control member including the low refractive layer has excellent reliability.
    Type: Application
    Filed: June 29, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: CHANSU KIM, INOK KIM, KEUNCHAN OH, GAK SEOK LEE, SANGHUN LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON JANG
  • Publication number: 20240122045
    Abstract: A display device includes: a display panel including a first light emitting area to emit a source light; a barrier wall on the display panel, and having a first opening corresponding to the first light emitting area; a first light control pattern in the first opening; and a light shielding pattern between the display panel and the barrier wall, and overlapping with the barrier wall and the first opening. The light shielding pattern overlaps with a portion of the first light control pattern.
    Type: Application
    Filed: August 24, 2023
    Publication date: April 11, 2024
    Inventors: GAK SEOK LEE, KEUNCHAN OH, MIN-JAE KIM, KYUNGHAE PARK, JAE CHEOL PARK, INSEOK SONG, JISEONG YANG
  • 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: 11930684
    Abstract: Provided is a display device. The display device includes a first base portion, a second base portion facing the first base portion, a light emitting layer disposed on one surface of the first base portion and emitting first light, a first wavelength conversion pattern disposed on the light emitting layer and converting the first light into second light having a different wavelength from the first light, a first color filter overlapping the first wavelength conversion pattern on one surface of the second base portion and spaced apart from the first wavelength conversion pattern, and an air layer interposed between the first wavelength conversion pattern and the first color filter.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang Soon Jang, Keun Chan Oh, Gak Seok Lee, Sang Hun Lee, So Yun Lee, Ji Eun Jang
  • Patent number: 11917883
    Abstract: A color control member includes a color control layer including a quantum dot and a color filter layer on the color control layer, wherein a low refractive layer may be between the color control layer and the color filter layer. The low refractive layer includes a base resin and a plurality of sets of hollow particles dispersed in the base resin, and each of the hollow particles of each set of the sets of hollow particles may have a spherical shape. The sets of hollow particles may have respective average diameters, and a ratio of two average diameters of the respective average diameters of the sets of hollow particles is about 2:1 to about 60:1, and the low refractive layer including the hollow particles may be formed through a continuous process at a low temperature.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: February 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youyoung Jin, Keunchan Oh, Gak Seok Lee, Sanghun Lee, Chang-Soon Jang
  • 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: 20230284512
    Abstract: A display device includes a first base portion in which a first emission area and a non-emission area are defined, a first light emitting element on the first base portion and overlapping the first emission area, a thin film encapsulation layer on the first light emitting element, a second base portion on the thin film encapsulation layer, a first color filter on the second base portion and overlapping the first emission area, a first wavelength conversion pattern on the first color filter and overlapping the first emission area, and a first optical pattern between the first color filter and the first wavelength conversion pattern and overlapping the first emission area. A refractive index of the first optical pattern is smaller than that of the first wavelength conversion pattern, and one surface of the first optical pattern facing the first wavelength conversion pattern is concave toward the second base portion.
    Type: Application
    Filed: December 18, 2020
    Publication date: September 7, 2023
    Inventors: Jang Il KIM, Chang Soon JANG, Jeong Ki KIM, Chan Su KIM, Kyoung Hae MIN, Keun Chan OH, Gak Seok LEE, Sang Hun LEE, So Yun LEE, Ji Eun JANG, You Young JIN, Seok Joon HONG
  • 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: 20230209960
    Abstract: A display panel includes a light-emitting element which outputs source light and includes a first electrode, a light-emitting layer disposed on the first electrode, and a second electrode disposed on the light-emitting layer, a light control layer disposed on the light-emitting element and including a first light control pattern which converts the source light into first light, and a second light control pattern which transmits the source light, and a color filter layer disposed on the light control layer and including a first color filter overlapping the first light control pattern, and a second color filter overlapping the second light control pattern. The first color filter has a light transmittance of 70% or less in a wavelength range of 600 nm to 640 nm, and the second color filter has a light transmittance of 75% or less in a wavelength range of 430 nm to 470 nm.
    Type: Application
    Filed: September 30, 2022
    Publication date: June 29, 2023
    Inventors: INOK KIM, CHANSU KIM, KEUNCHAN OH, GAK SEOK LEE, SANGHUN LEE, SOYUN LEE, JIEUN JANG, 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: 20230171992
    Abstract: Provided is an electronic device including a display module, and an anti-reflection member disposed on the display module and having an SCI reflectance in a range of about 4% to about 7% with respect to light having a wavelength in a range of about 350 nm to about 370 nm. The anti-reflection member includes a base layer, a hard coating layer disposed on the base layer, a first optical layer disposed on the hard coating layer and having a first refractive index, and a second optical layer disposed on the first optical layer and having a second refractive index that is smaller than the first refractive index.
    Type: Application
    Filed: September 16, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: BYOUNGKI KIM, DO-HYUK KWON, YOUSIK SHIN, GAK SEOK LEE, KYUNGHWAN JEON
  • Publication number: 20230135697
    Abstract: A display panel includes: a light emitting element layer comprising a plurality of light emitting elements configured to emit a first color light; and a color conversion layer on the light emitting element layer that is configured to receive the first color light, configured to convert a wavelength of the first color light, and configured to output at least two lights having different colors from each other, the color conversion layer comprising: a first color conversion pattern configured to convert the wavelength of the first color light, and configured to output a second color light; a second color conversion pattern configured to convert the wavelength of the first color light, and configured to output a third color light; and a third color conversion pattern configured to transmit the first color light.
    Type: Application
    Filed: October 17, 2022
    Publication date: May 4, 2023
    Inventors: GAK SEOK LEE, INOK KIM, KEUNCHAN OH, SANGHUN LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON JANG
  • Patent number: 11616101
    Abstract: A display device includes: a substrate; a color filter layer disposed below the substrate; a color control layer disposed below the color filter layer; and an optical auxiliary layer disposed between the substrate and the color filter layer and having a base portion and a plurality of recess portions, the plurality of recess portion defined in the base portion and recessed in a direction toward the substrate, wherein an average refractive index of the optical auxiliary layer is greater than or equal to an average refractive index of the substrate and is less than or equal to an average refractive index of the color filter layer.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: March 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gak Seok Lee, Keunchan Oh, Byung-Chul Kim, Jang Wi Ryu, Inseok Song, Halim Ji
  • Patent number: 11609368
    Abstract: A display device includes: a substrate including light-emitting areas and a light-blocking area including a spacer area; a color filter layer including color filters and a dummy color pattern, wherein the color filters are disposed in the light emitting areas, and the dummy color pattern is disposed in the spacer area; a light-transmitting layer disposed on the color filter layer and including a light-transmitting pattern and a light-transmitting dummy pattern, wherein the light-transmitting pattern is disposed on the color filters, and the light-transmitting dummy pattern is disposed on the dummy color pattern; and a bank layer disposed on the dummy color pattern, wherein the bank layer includes a spacer part disposed in the light-blocking area, and a bank part disposed in the light-blocking area, wherein the spacer part overlaps the spacer area, wherein the bank part has a smaller height than the spacer part with respect to the substrate.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Seok Song, Byung Chul Kim, Jang Wi Ryu, Gak Seok Lee, Ha Lim Ji
  • Publication number: 20230060722
    Abstract: A display device may include a transistor substrate including a driving element, and having a display area, and a non-display area surrounding the display area, a bank layer on the non-display area of the transistor substrate, and exposing an outer area of the non-display area of the transistor substrate that is opposite to the display area, an inorganic insulating layer covering an upper surface of the bank layer, a side surface of the bank layer, and the outer area of the transistor substrate, a low refractive layer on the inorganic insulating layer, and a first color filter layer on the non-display area to cover a portion of an upper surface of the inorganic insulating layer, and a side surface of the inorganic insulating layer.
    Type: Application
    Filed: May 12, 2022
    Publication date: March 2, 2023
    Inventors: INOK KIM, SANGHUN LEE, CHANSU KIM, KEUNCHAN OH, GAK SEOK LEE, SOYUN LEE, JIEUN JANG, CHANG-SOON 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: 20230006184
    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: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    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: 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
  • 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