Patents by Inventor Sung-Jae Yun

Sung-Jae Yun 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: 12322746
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: June 3, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yuk Hyun Nam, Sang Hoon Park, Sung Jae Yun, Hang Jae Lee
  • Patent number: 12288778
    Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.
    Type: Grant
    Filed: October 19, 2023
    Date of Patent: April 29, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jae Yun, Sang Hoon Park, Jee Hoon Park, Dong Woo Shin, Hang Jae Lee, Jae Won Choi
  • Publication number: 20250133928
    Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.
    Type: Application
    Filed: December 30, 2024
    Publication date: April 24, 2025
    Inventors: Hang Jae LEE, Sang Hoon PARK, Sung Jae YUN
  • Patent number: 12185607
    Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: December 31, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hang Jae Lee, Sang Hoon Park, Sung Jae Yun
  • Patent number: 12057526
    Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: August 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun, Geun Tak Kim, Jae Hoon Kim
  • Patent number: 12046702
    Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: July 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jae Yun, Yuk Hyun Nam, Sang Hoon Park, Hang Jae Lee
  • Patent number: 11908849
    Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hang Jae Lee, Sung Jae Yun, Yuk Hyun Nam
  • Patent number: 11901374
    Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hang Jae Lee, Yuk Hyun Nam, Sung Jae Yun
  • Publication number: 20240047445
    Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.
    Type: Application
    Filed: October 19, 2023
    Publication date: February 8, 2024
    Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
  • Patent number: 11798927
    Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Jae Yun, Sang Hoon Park, Jee Hoon Park, Dong Woo Shin, Hang Jae Lee, Jae Won Choi
  • Publication number: 20230028194
    Abstract: A display device includes: a substrate; a plurality of pixel columns on the substrate, each of the plurality of pixel columns including a plurality of pixel groups each including a first pixel and a second pixel arranged along a first direction; and a bank enclosing a perimeter of each of the plurality of pixel groups, the bank including a first opening corresponding to each of the plurality of pixel groups, and a second opening located between two pixel groups adjacent to each other in the first direction among the plurality of pixel groups.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 26, 2023
    Inventors: Hang Jae LEE, Kyong Sub KIM, Yuk Hyun NAM, Sung Jae YUN
  • Patent number: 11479721
    Abstract: A liquid crystal composition includes the following compounds: (in a range of 21.5 to 26.5 parts by weight) a compound represented by a first chemical formula, (in a range of 2.5 to 7.5 parts by weight) a compound represented by a second chemical formula, (in a range of 12.5 to 17.5 parts by weight) a compound represented by a third chemical formula, (in a range of 5.5 to 10.5 parts by weight) a compound represented by a fourth chemical formula, (in a range of 7.5 to 12.5 parts by weight) a compound represented by a fifth chemical formula, (in a range of 2 to 7 parts by weight) a compound represented by a sixth chemical formula, (in a range of 10.5 to 15.5 parts by weight) a compound represented by a seventh chemical formula, and (in a range of 13 to 18 parts by weight) an compound represented by an eighth chemical formula 8.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: October 25, 2022
    Inventors: Kyung Min Kim, Sung Jae Yun, Kang Seob Jeong, Jin Suek Kim, Heung Shik Park
  • Publication number: 20220262827
    Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.
    Type: Application
    Filed: February 17, 2022
    Publication date: August 18, 2022
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN
  • Publication number: 20220189939
    Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.
    Type: Application
    Filed: September 16, 2021
    Publication date: June 16, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Sung Jae YUN, Yuk Hyun NAM
  • Publication number: 20220140195
    Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 5, 2022
    Inventors: Sung Jae YUN, Yuk Hyun NAM, Sang Hoon PARK, Hang Jae LEE
  • Publication number: 20220122956
    Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Inventors: Sung Jae YUN, Sang Hoon PARK, Jee Hoon PARK, Dong Woo SHIN, Hang Jae LEE, Jae Won CHOI
  • Publication number: 20220109087
    Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.
    Type: Application
    Filed: May 3, 2021
    Publication date: April 7, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Yuk Hyun NAM, Sung Jae YUN, Geun Tak KIM, Jae Hoon KIM
  • Publication number: 20220109085
    Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.
    Type: Application
    Filed: May 11, 2021
    Publication date: April 7, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Yuk Hyun NAM, Sang Hoon PARK, Sung Jae YUN, Hang Jae LEE
  • Publication number: 20220084998
    Abstract: A display device includes a substrate including a plurality of pixels; a first bank disposed at a boundary of the plurality of pixels; a first electrode and a second electrode, spaced apart from each other on the substrate; an insulating layer disposed on the first electrode and the second electrode; and a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer. The first bank and the insulating layer are disposed on the same layer.
    Type: Application
    Filed: April 19, 2021
    Publication date: March 17, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Hang Jae LEE, Sung Ho PARK, Sung Jae YUN, Jong Hyeok LEE, Jae Won CHOI
  • Publication number: 20220077245
    Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 10, 2022
    Inventors: Hang Jae LEE, Sang Hoon PARK, Sung Jae YUN