Patents by Inventor Byeongguk JEONG

Byeongguk JEONG 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).

  • Semiconductor nanoparticles, electronic device including the same, and method for manufacturing semiconductor nanoparticles
    Patent number: 11870001
    Abstract: An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: January 9, 2024
    Assignees: Samsung Display Co., Ltd., Research & Business Foundation Sungkyunkwan University
    Inventors: Sooho Lee, Minki Nam, Sungwoon Kim, Jeongwoo Park, Wanki Bae, Changhee Lee, Byeongguk Jeong
  • Display device and manufacturing method thereof
    Patent number: 11428989
    Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: August 30, 2022
    Inventors: Minki Nam, Kyoungwon Park, Baekhee Lee, Youngmin Kim, Haeil Park, Jaikyeong Kim, Heesuk Kim, Wanki Bae, Dohchang Lee, Byeongguk Jeong
  • SEMICONDUCTOR NANOPARTICLES, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR NANOPARTICLES
    Publication number: 20220149223
    Abstract: An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.
    Type: Application
    Filed: July 26, 2021
    Publication date: May 12, 2022
    Inventors: Sooho LEE, Minki NAM, Sungwoon KIM, Jeongwoo PARK, Wanki BAE, Changhee LEE, Byeongguk JEONG
  • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20210041747
    Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
    Type: Application
    Filed: October 26, 2020
    Publication date: February 11, 2021
    Inventors: Minki NAM, Kyoungwon PARK, Baekhee LEE, Youngmin KIM, Haeil PARK, Jaikyeong KIM, Heesuk KIM, Wanki BAE, Dohchang LEE, Byeongguk JEONG
  • Display device having a phosphor including a quantum dot and manufacturing method thereof
    Patent number: 10852587
    Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 1, 2020
    Inventors: Minki Nam, Kyoungwon Park, Baekhee Lee, Youngmin Kim, Haeil Park, Jaikyeong Kim, Heesuk Kim, Wanki Bae, Dohchang Lee, Byeongguk Jeong
  • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20180059485
    Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 1, 2018
    Inventors: Minki NAM, Kyoungwon PARK, Baekhee LEE, Youngmin KIM, Haeil PARK, Jaikyeong KIM, Heesuk KIM, Wanki BAE, Dohchang LEE, Byeongguk JEONG