Patents by Inventor Sunjin JOO

Sunjin 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: 11963390
    Abstract: A light-emitting device and a display apparatus including the same are provided. The light-emitting device includes a metal reflective layer having a phase modulation surface, a first electrode on the metal reflective layer, an organic emission layer which is provided on the first electrode and emits white light, and a second electrode on the organic emission layer. The phase modulation surface includes a plurality of protrusions and a plurality of recesses.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunjin Song, Wonjae Joo, Hyun Koo, Jisoo Kyoung, Sunghoon Lee
  • Patent number: 11940637
    Abstract: Provided is a color transformation filter including a plurality of nanostructures included in a subpixel and spaced apart from each other, the plurality of nanostructures having a first refractive index, a low refractive index layer provided adjacent to the plurality of nanostructures, the low refractive index layer having a second refractive index less than the first refractive index, and a color transformation element included in the low refractive index layer.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: March 26, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sunjin Song, Seokho Song, Wonjae Joo, Myongjong Kwon
  • Patent number: 11943952
    Abstract: Provided is a light-emitting device including a reflective layer including a plurality of nano-structures two-dimensionally disposed regularly and a low-refractive-index layer disposed adjacent to the plurality of nano-structures, a first electrode disposed on the reflective layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein each of the plurality of nano-structures includes a non-metallic material, and the low-refractive-index layer includes a dielectric material having a second refractive index lower than a first refractive index of the non-metallic material.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: March 26, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sunjin Song, Seokho Song, Wonjae Joo
  • Publication number: 20240016025
    Abstract: A display device including: a first light-emitting opening, a second light-emitting opening, a third light-emitting opening, and a light-receiving opening; wherein a first color emission area corresponds to the first light-emitting opening; a second color emission area corresponds to the second light-emitting opening; a third color emission area corresponds to the third light-emitting opening; and a light detection area corresponds to the light-receiving opening; and when the first color emission area, the second color emission area, and the third color emission area are viewed at a first point having a first viewing angle with respect to a normal line of a base layer, a sensing electrode shields each of two emission areas among the first color emission area, the second color emission area, and the third color emission area or one of the first color emission area, the second color emission area, and the third color emission area.
    Type: Application
    Filed: March 28, 2023
    Publication date: January 11, 2024
    Inventors: HYUN-GUE SONG, YOUNGTAE KIM, HYUNHO JUNG, HEESEONG JEONG, SUNJIN JOO, SANG MIN HONG
  • Publication number: 20230380241
    Abstract: A display device includes an input sensing electrode. A sensing electrode partially shields a first color light emitting area and a second color light emitting area or partially shields a third color light emitting area when the first color light emitting area, the second color light emitting area, and the third color light emitting area are viewed from a first point having a first viewing angle with respect to a normal line of a base layer of the display device.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 23, 2023
    Inventors: HYUN-GUE SONG, YOUNGTAE KIM, HYUNHO JUNG, HEESEONG JEONG, SUNJIN JOO, SANG MIN HONG
  • Patent number: 11355711
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one doping layer and at least one non-doping layer. The doping layer comprises a first host, a second host, and a dopant.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 7, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeyong Lee, Gina Yoo, Sunjin Joo
  • Publication number: 20190207118
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The emission layer includes at least one doping layer and at least one non-doping layer. The doping layer comprises a first host, a second host, and a dopant.
    Type: Application
    Filed: December 27, 2018
    Publication date: July 4, 2019
    Inventors: Jaeyong LEE, Gina YOO, Sunjin JOO