Patents by Inventor Tae-Hyung Hwang

Tae-Hyung Hwang 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: 11910631
    Abstract: A color-converting substrate including light-emitting areas and a light-blocking area surrounding the light-emitting areas, the light-emitting areas including first light-emitting areas configured to emit a same color light and spaced apart from each other by the light-blocking area, a partition wall including a first opening continuously overlapping the first light-emitting areas and a first portion of the light-blocking area disposed between the first light-emitting areas, a first color-converting layer including a wavelength-converting material and disposed in the first opening to overlap the first light-emitting areas and the first portion of the light-blocking area, and a color filter layer including a portion configured to block a first color light emitted through the first light-emitting areas, the color filter layer overlapping the first color-converting layer and the first portion of the light-blocking area.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyung Hwang, Jiseong Yang, Seon Uk 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
  • Patent number: 11871593
    Abstract: A method for manufacturing a display device including forming a first color filter transmitting a first color light on a base substrate to overlap first light-emitting areas, forming a second color filter transmitting a second color light different from the first color light to overlap second light-emitting areas and a first portion of a light-blocking area disposed between the first light-emitting areas, forming a partition wall including a first opening continuously overlapping the first light-emitting areas and the first portion of the light-blocking area, providing a first composition including a wavelength-converting material in the first opening, and curing the first composition to form a first color-converting layer.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyung Hwang, Jiseong Yang, Seon Uk Lee
  • Publication number: 20230413636
    Abstract: A display panel includes a first pixel area and a second pixel area. A division partition wall includes an opening corresponding to at least the first pixel area. A light conversion pattern for changing the color of source light is disposed inside the opening. An optical pattern is arranged to correspond to the second pixel area. The optical pattern transmits the source light therethrough. The optical pattern may have a shape integrally formed with or different from the division partition wall.
    Type: Application
    Filed: January 18, 2021
    Publication date: December 21, 2023
    Inventors: Seon Uk LEE, Donchan CHO, Kanguk KIM, Yeogeon YOON, Tae Hyung HWANG
  • Publication number: 20230292545
    Abstract: Embodiments provide a light control member that includes a light control layer including quantum dots, a low refractive layer disposed on the light control layer, and a capping layer disposed between the light control layer and the low refractive layer. The capping layer includes a first silicon oxynitride containing an amount of nitrogen in a range of about 0.1 at % to about 18 at %, an amount of oxygen in a range of about 42 at % to about 70 at %, and an amount of silicon in a range of about 25 at % to about 45 at %. Accordingly, the light control member exhibits excellent reliability.
    Type: Application
    Filed: January 23, 2023
    Publication date: September 14, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: JEONGKI KIM, JANG-IL KIM, JONG-HOON KIM, KYOUNGHAE MIN, HYEJUN WOO, SEONGYEON LEE, SUJIN LEE, SI-WAN JEON, TAE HYUNG HWANG
  • Patent number: 11758788
    Abstract: Disclosed are display panels and methods of manufacturing substrates. The display panel comprises a lower display substrate that includes a plurality of light emitting elements, and an upper display substrate that includes a color control layer and is on the lower display substrate. The color control layer includes a plurality of walls each of which includes a wall base including an organic material and a reflective layer including a metallic material, and the color control layer also includes a plurality of color control parts which are disposed between the plurality of walls and at least one of which includes a quantum dot. The reflective layer surrounds at least a portion of a sidewall of the wall base, which results in an increase in luminous efficiency and an improvement in brightness.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seon Uk Lee, Kanguk Kim, Sanggab Kim, Donchan Cho, Tae Hyung Hwang, KyeongSu Ko, Sungwon Cho
  • Publication number: 20230263031
    Abstract: A display panel includes a light emitting element layer including a light emitting element that generates a first color light, a light control layer over the light emitting element layer, a color filter layer over the light control layer, and a low refractive index layer that is between the light control layer and the color filter layer and that has a thickness of about 0.2 ?m to about 2.5 ?m.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 17, 2023
    Inventors: SEONGYEON LEE, JANG-IL KIM, JEONGKI KIM, JONG-HOON KIM, KYOUNGHAE MIN, HYEJUN WOO, HAKBUM CHOI, SEOK-JOON HONG, TAE HYUNG HWANG
  • Publication number: 20230255093
    Abstract: A display panel includes a light emitting element that outputs source light and that includes a first electrode, an emissive layer over the first electrode, and a second electrode over the emissive layer and a light control layer over the light emitting element. The light control layer includes at least one light control pattern and a barrier layer that is on one surface of the light control pattern and that contains silicon oxynitride (SiON). The barrier layer contains 0.1 atomic% to 18 atomic % nitrogen, 42 atomic% to 70 atomic% oxygen, and 25 atomic% to 45 atomic% silicon. Accordingly, the durability and barrier characteristics of the barrier layer and the light conversion efficiency of the light control pattern may be improved, and thus the reliability and display efficiency of the display panel including the barrier layer and the light control pattern may be enhanced.
    Type: Application
    Filed: January 12, 2023
    Publication date: August 10, 2023
    Inventors: JEONGKI KIM, HAKBUM CHOI, SEOK-JOON HONG, MYOUNGJONG LEE, SUJIN LEE, SI-WAN JEON, TAE HYUNG HWANG
  • Patent number: 11716890
    Abstract: A display device includes a lower substrate, a plurality of pixels, an upper substrate, a light blocking member, first and second color filters, first and second color conversion patterns, and a light blocking pattern. The light blocking pattern is disposed between the first and second color conversion patterns, and includes a first portion and a second portion which overlaps the light blocking member. A shape the second portion is different from a shape of the first portion.
    Type: Grant
    Filed: January 24, 2021
    Date of Patent: August 1, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Joon Hong, Jang-Il Kim, Tae Hyung Hwang
  • Patent number: 11700757
    Abstract: In a color conversion panel including pixel areas emitting a light having a same color and a non-pixel area between the pixel areas, the color conversion panel may include a substrate, a light shielding pattern disposed on the substrate in the non-pixel area, a color conversion layer disposed on the substrate, covering the light shielding pattern, and configured to convert an incident light, a height of a first portion of the color conversion layer corresponding to the non-pixel area from the substrate being less than each of heights of second portions of the color conversion layer respectively corresponding to the pixel areas from the substrate, and a light shielding partition wall disposed on the color conversion layer in the non-pixel area.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 11, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang-Il Kim, Jeongki Kim, Myoungjong Lee, Tae Hyung Hwang
  • Publication number: 20230169914
    Abstract: A display substrate includes a first division pattern in which a plurality of first openings corresponding to the first pixel areas and the second pixel areas are defined, a first color filter overlapping each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, a second division pattern which overlaps the peripheral area and in which a first common opening corresponding to each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, which are in one pixel row, is defined, and a first color control pattern corresponding to the first common opening and overlapping each of the first pixel area of the first pixel row and the first pixel area of the second pixel row, which are in the one pixel row.
    Type: Application
    Filed: July 15, 2020
    Publication date: June 1, 2023
    Inventors: Jang-Il KIM, Jeongki KIM, Kyounghae MIN, Jeaheon AHN, Yeogeon YOON, Seok-Joon HONG, Tae Hyung HWANG
  • Patent number: 11631722
    Abstract: A display device includes a first light emitting element on a first substrate and overlapping a first effective pixel area; test light emitting elements on the first substrate and overlapping the test pixel area; a first color filter on a second substrate and overlapping the first light emitting element; a first wavelength conversion pattern on the first color filter and overlapping the first color filter and the first light emitting element; a first test color filter on the second substrate and overlapping one of the test light emitting elements; and a first test wavelength conversion pattern on the second substrate and overlapping another one of the test light emitting elements. The first test wavelength conversion pattern and the first wavelength conversion pattern include a same first wavelength conversion material, and the first test color filter and the first color filter include a same first color colorant.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jea Heon Ahn, Jeong Ki Kim, Seong Yeon Lee, Si Wan Jeon, Tae Hyung Hwang
  • Publication number: 20230100355
    Abstract: A color-converting substrate including light-emitting areas and a light-blocking area surrounding the light-emitting areas, the light-emitting areas including first light-emitting areas configured to emit a same color light and spaced apart from each other by the light-blocking area, a partition wall including a first opening continuously overlapping the first light-emitting areas and a first portion of the light-blocking area disposed between the first light-emitting areas, a first color-converting layer including a wavelength-converting material and disposed in the first opening to overlap the first light-emitting areas and the first portion of the light-blocking area, and a color filter layer including a portion configured to block a first color light emitted through the first light-emitting areas, the color filter layer overlapping the first color-converting layer and the first portion of the light-blocking area.
    Type: Application
    Filed: November 25, 2022
    Publication date: March 30, 2023
    Inventors: Tae Hyung HWANG, Jiseong YANG, Seon Uk LEE
  • Publication number: 20230082101
    Abstract: A method for manufacturing a display device including forming a first color filter transmitting a first color light on a base substrate to overlap first light-emitting areas, forming a second color filter transmitting a second color light different from the first color light to overlap second light-emitting areas and a first portion of a light-blocking area disposed between the first light-emitting areas, forming a partition wall including a first opening continuously overlapping the first light-emitting areas and the first portion of the light-blocking area, providing a first composition including a wavelength-converting material in the first opening, and curing the first composition to form a first color-converting layer.
    Type: Application
    Filed: November 25, 2022
    Publication date: March 16, 2023
    Inventors: Tae Hyung HWANG, Jiseong YANG, Seon Uk LEE
  • Publication number: 20230017737
    Abstract: Disclosed are display panels and methods of manufacturing substrates. The display panel comprises a lower display substrate that includes a plurality of light emitting elements, and an upper display substrate that includes a color control layer and is on the lower display substrate. The color control layer includes a plurality of walls each of which includes a wall base including an organic material and a reflective layer including a metallic material, and the color control layer also includes a plurality of color control parts which are disposed between the plurality of walls and at least one of which includes a quantum dot. The reflective layer surrounds at least a portion of a sidewall of the wall base, which results in an increase in luminous efficiency and an improvement in brightness.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Inventors: Seon Uk LEE, Kanguk KIM, SANGGAB KIM, DONCHAN CHO, TAE HYUNG HWANG, KyeongSu KO, Sungwon CHO
  • Patent number: 11522149
    Abstract: A color-converting substrate including light-emitting areas and a light blocking area surrounding the light-emitting areas, the light-emitting areas including first light-emitting areas configured to emit a first color light, a partition wall including a first opening continuously overlapping the first light-emitting areas and a first portion of the light-blocking area disposed between the first light-emitting areas, a first color-converting layer including a wavelength-converting material and disposed in the first opening to overlap the first light-emitting areas and the first portion of the light-blocking area, and a color filter layer including a portion configured to block the first color light, the color filter layer overlapping the first color-converting layer and the first portion of the light-blocking area.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyung Hwang, Jiseong Yang, Seon Uk Lee
  • Patent number: 11500239
    Abstract: A display device is provided. The display device comprises a first substrate, a second substrate facing the first substrate, a first polarizing layer disposed between the first substrate and the second substrate and including first line grid patterns, a light scattering layer disposed between the first polarizing layer and the second substrate, and color filter layers disposed between the light scattering layer and the second substrate.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: November 15, 2022
    Inventors: Tae Hyung Hwang, Dong Il Son
  • Publication number: 20220359798
    Abstract: A color conversion substrate includes: a bank having a first open region and a second open region; a color conversion layer in the first opening region, the color conversion layer including color conversion particles; a first partition wall partitioning the second opening region into a central region and a peripheral region surrounding the central region, the first partition wall having a polygonal shape with n vertices in a plan view where n is a natural number greater than or equal to 3; and n second partition walls extending from the n vertices of the first partition wall to an edge of the second opening region, respectively, to partition the peripheral region into n sub-regions.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 10, 2022
    Inventors: JONG-HOON KIM, JANG-IL KIM, JEONGKI KIM, KEUNCHAN OH, KANG SOO HAN, TAE HYUNG HWANG
  • Patent number: 11495642
    Abstract: A display panel including a lower display substrate including a light emitting element configured to generate source light, and an upper display substrate including first, second, and third pixel areas and a peripheral area adjacent thereto, in which the upper display substrate includes a base substrate, a first partition pattern disposed on a bottom surface of the base substrate, overlaps with the peripheral area, and has first, second, and third openings corresponding to the first, second, and third pixel areas, respectively, first, second, and third color filters disposed on the bottom surface of the base substrate and overlapping with the first, second, and third pixel areas, respectively, first, second, and third color control layers disposed on the first, second, and third color filters, respectively, and an encapsulation inorganic layer covering the second color control layer and exposing at least one of the first and third color control layers.
    Type: Grant
    Filed: May 10, 2020
    Date of Patent: November 8, 2022
    Assignee: Samsung Display Co., LTD.
    Inventors: Jeongki Kim, Jeaheon Ahn, Seongyeon Lee, Si-Wan Jeon, Tae Hyung Hwang
  • Patent number: 11456338
    Abstract: Disclosed are display panels and methods of manufacturing substrates. The display panel comprises a lower display substrate that includes a plurality of light emitting elements, and an upper display substrate that includes a color control layer and is on the lower display substrate. The color control layer includes a plurality of walls each of which includes a wall base including an organic material and a reflective layer including a metallic material, and the color control layer also includes a plurality of color control parts which are disposed between the plurality of walls and at least one of which includes a quantum dot. The reflective layer surrounds at least a portion of a sidewall of the wall base, which results in an increase in luminous efficiency and an improvement in brightness.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: September 27, 2022
    Inventors: Seon Uk Lee, Kanguk Kim, Sanggab Kim, Donchan Cho, Tae Hyung Hwang, KyeongSu Ko, Sungwon Cho