Patents by Inventor Yisu Kim

Yisu 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: 20240357856
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Inventors: Yongchan JU, Yisu KIM, Eungseok PARK, Wonmin YUN, Byoungduk LEE, Yoonhyeung CHO
  • Patent number: 12127426
    Abstract: Provided are a heterocyclic compound and an electronic apparatus. The electronic apparatus includes: a substrate; an organic light-emitting device on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device, the thin film encapsulation portion including an ultraviolet (UV) stabilizing mixture, and the UV stabilizing mixture including a UV absorbent and a radical scavenger.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: October 22, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yohan Kim, Wonmin Yun, Yisu Kim, Byoungduk Lee, Yoonhyeung Cho
  • Patent number: 12120936
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: October 15, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Patent number: 12052885
    Abstract: An display device including a substrate, an organic light-emitting diode, and a thin film encapsulation layer. The organic light-emitting diode is disposed on the substrate. The thin film encapsulation layer is disposed on the organic light-emitting diode. The thin film encapsulation layer includes at least one inorganic layer, at least one organic layer, and a first refractive-index control layer. The at least one organic layer is alternately disposed with the at least one inorganic layer. The first refractive-index layer is disposed between one of the at least one inorganic layer and one of the at least one organic layer disposed adjacent to each other. The first refractive-index control layer has a refractive-index variation ratio per unit length (?n/nm) from about 0.001/nm to about 0.002/nm along a direction from the organic light-emitting diode toward the thin film encapsulation layer.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: July 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sanghoon Yim, Wonjong Kim, Yisu Kim, Minho Oh, Wonmin Yun, Kwanhee Lee, Byoungduk Lee, Yoonhyeung Cho, Youngcheol Joo, Yongchan Ju
  • Patent number: 12048190
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: July 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yongchan Ju, Yisu Kim, Eungseok Park, Wonmin Yun, Byoungduk Lee, Yoonhyeung Cho
  • Publication number: 20230345792
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Patent number: 11800791
    Abstract: Provided is an organic electroluminescence device provided with a light absorber represented by Formula 1 below, and a light absorbing layer including the same. In Formula 1, Ar is pyrene, chrysene, or anthracene, and Y is a hydrogen atom or a substituent, and X is represented by any one of Formula 2-1 to 2-3 below.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: October 24, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyun Han, Wonmin Yun, Jongwoo Kim, Jangyeol Baek, Eunjae Jeong, Yohan Kim, Yisu Kim, Youngkook Kim, Seokhwan Hwang
  • Patent number: 11737336
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20230209871
    Abstract: An organic light-emitting display apparatus includes: a pixel electrode, an intermediate layer on the pixel electrode and including an emission layer, an opposite electrode on the pixel electrode such that the intermediate layer is therebetween, an inorganic encapsulation layer on the opposite electrode, an organic encapsulation layer on the inorganic encapsulation layer, and a protection layer on the organic encapsulation layer and including a first protection layer including silicon nitride and a second protection layer including silicon oxynitride.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Inventors: Jongwoo KIM, Wonjong KIM, Yisu KIM, Changyeong SONG, Hyein YANG, Woosuk JUNG, Yongchan JU, Jaeheung HA
  • Patent number: 11637268
    Abstract: Provided is a display device including a base layer; a light emitting element layer disposed on the base layer; and a thin-film encapsulation layer disposed on and encapsulating the light emitting element layer, where the thin-film encapsulation layer includes an inorganic layer having at least one inorganic sub-layer pair, where the at least one inorganic sub-layer pair includes a first inorganic sub-layer having a first refractive index and a second inorganic sub-layer disposed on the first inorganic sub-layer and having a second refractive index different from the first refractive index.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woosuk Jung, Su Jeong Kim, Jaeheung Ha, Wonjong Kim, Yisu Kim, Changyeong Song, Hyein Yang, Yongchan Ju
  • Patent number: 11621406
    Abstract: A display apparatus includes a substrate, a display arranged on the substrate and including a plurality of display elements, and an encapsulator arranged on the display and encapsulating the display. The encapsulator may include at least one inorganic film and at least one organic film, and the at least one organic film may include a matrix and an ultraviolet light absorbent dispersed in the matrix.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yoonhyeung Cho, Yongchan Ju
  • Patent number: 11588133
    Abstract: An organic light-emitting display apparatus includes: a pixel electrode, an intermediate layer on the pixel electrode and including an emission layer, an opposite electrode on the pixel electrode such that the intermediate layer is therebetween, an inorganic encapsulation layer on the opposite electrode, an organic encapsulation layer on the inorganic encapsulation layer, and a protection layer on the organic encapsulation layer and including a first protection layer including silicon nitride and a second protection layer including silicon oxynitride.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jongwoo Kim, Wonjong Kim, Yisu Kim, Changyeong Song, Hyein Yang, Woosuk Jung, Yongchan Ju, Jaeheung Ha
  • Patent number: 11574962
    Abstract: A display panel and a manufacturing method of a display panel are provided. A display panel includes: a base substrate in which a pixel area and a peripheral area adjacent to the pixel area are defined; a light emitting element located on the base substrate to overlap the pixel area, and configured to generate first light; a light control layer on the light emitting element; a color filter layer on the light control layer; and a capping layer contacting at least the light control layer and including silicon oxynitride (SiON), and the capping layer contains about 34 at % to about 41 at % of oxygen, and about 18 at % to about 25 at % of nitrogen. Luminous efficiency of the display panel may be increased while maintaining durability of the display panel.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeheung Ha, Wonjong Kim, Yisu Kim, Jongwoo Kim, Changyeong Song, Jaejin Lyu, Woosuk Jung, Yongchan Ju
  • Patent number: 11522035
    Abstract: A display panel includes a base layer, a circuit layer, a light emitting element, a pixel defining film, an encapsulation layer, and a first dam. The base layer may include a display area and a non-display area adjacent to the display area. The encapsulation layer may include a first inorganic film, an organic film, and a second inorganic film. The first dam may be disposed between the first inorganic film and the second inorganic film, and outside the organic film. The first dam may overlap the non-display area and the pixel defining film on a plane. Therefore, in the display panel of an embodiment, the non-display area may be reduced.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaeheung Ha, Yisu Kim, Yongchan Ju, Suk Hoon Kang, Wonjong Kim, Jongwoo Kim
  • Publication number: 20220367835
    Abstract: Provided are a heterocyclic compound and an electronic apparatus. The electronic apparatus includes: a substrate; an organic light-emitting device on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device, the thin film encapsulation portion including an ultraviolet (UV) stabilizing mixture, and the UV stabilizing mixture including a UV absorbent and a radical scavenger.
    Type: Application
    Filed: July 7, 2022
    Publication date: November 17, 2022
    Inventors: Yohan KIM, Wonmin YUN, Yisu KIM, Byoungduk LEE, Yoonhyeung CHO
  • Publication number: 20220298279
    Abstract: A resin composition of an embodiment includes a (meth)acrylate monomer, a photoinitiator, and a moisture absorbent, wherein the moisture absorbent includes a hydrolysable group, and a carboxyl group after hydrolysis, thereby providing a display device with improved tolerance to moisture and moisture permeability.
    Type: Application
    Filed: December 10, 2021
    Publication date: September 22, 2022
    Inventors: WONMIN YUN, Jieun KO, YOHAN KIM, YISU KIM, BYOUNGDUK LEE, SEUNGJU LEE, JAEHYUK LEE, Hyungdong LEE, YOONHYEUNG CHO, HYEONSEO CHO
  • Publication number: 20220285651
    Abstract: An encapsulation structure includes an organic encapsulation layer. The organic encapsulation layer includes a base resin and hygroscopic composite particles including a hygroscopic composite particle. The hygroscopic composite particle includes a core and a silica layer around the core. The core includes a polymer. The silica layer includes silica.
    Type: Application
    Filed: October 28, 2021
    Publication date: September 8, 2022
    Inventors: Jieun Ko, YOHAN KIM, YISU KIM, WONMIN YUN, BYOUNGDUK LEE, SEUNGJU LEE, JAEHYUK LEE, Hyungdong Lee, YOONHYEUNG CHO, HYEONSEO CHO
  • Publication number: 20220285448
    Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Wonmin Yun, Yisu Kim, Eungseok Park, Byoungduk Lee, Yunah Chung, Yoonhyeung Cho, Yongchan Ju
  • Publication number: 20220263051
    Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Inventors: Yongchan JU, Yisu KIM, Eungseok PARK, Wonmin YUN, Byoungduk LEE, Yoonhyeung CHO
  • Patent number: 11417857
    Abstract: Provided are a heterocyclic compound and an electronic apparatus. The electronic apparatus includes: a substrate; an organic light-emitting device on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device, the thin film encapsulation portion including an ultraviolet (UV) stabilizing mixture, and the UV stabilizing mixture including a UV absorbent and a radical scavenger.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 16, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yohan Kim, Wonmin Yun, Yisu Kim, Byoungduk Lee, Yoonhyeung Cho