Patents by Inventor Hye-Ock CHOI

Hye-Ock CHOI 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).

  • Quantum dot emitting diode and quantum dot display device including the same
    Patent number: 11849594
    Abstract: A quantum dot emitting diode includes first and second electrodes facing each other; a quantum dot emitting material layer between the first and second electrodes; and an electron transporting layer including an electron transporting material and disposed between the quantum dot emitting material layer and the second electrode, wherein the electron transporting material includes a core of metal oxide and a shell of silica.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: December 19, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Min-Jee Kim, Sung-Il Woo, Hye-Ock Choi, Ji-Yeon Kang
  • Anisotropic nanorod-applied light-emitting diode and light-emitting device including the same
    Patent number: 11228013
    Abstract: The present disclosure relates to a light-emitting diode including a first electrode and a second electrode facing each other; an electron transfer layer between the first electrode and the second electrode; and a light emitting material between the first electrode and the second electrode, wherein the electron transfer layer consists of anisotropic nanorods, and the long axes of the anisotropic nanorods are arranged at an angle of about 20 degrees to about 90 degrees with respect to an interface with an adjacent layer into which electrons are injected.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: January 18, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Il Woo, Dong-Young Kim, Hye-Ock Choi
  • Organic compound, and organic light emitting diode and organic light emitting display device including the same
    Patent number: 10615347
    Abstract: The present invention provides an organic compound for an organic light emitting diode. The organic compound is represented by: The organic compound is capable of reducing a driving voltage of an organic light emitting diode by an excellent charge transporting property. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: April 7, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seung-Jae Lee, Jong-Kwan Bin, Bo-Min Seo, Hye-Ock Choi
  • ANISOTROPIC NANOROD-APPLIED LIGHT-EMITTING DIODE AND LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20190123292
    Abstract: The present disclosure relates to a light-emitting diode including a first electrode and a second electrode facing each other; an electron transfer layer between the first electrode and the second electrode; and a light emitting material between the first electrode and the second electrode, wherein the electron transfer layer consists of anisotropic nanorods, and the long axes of the anisotropic nanorods are arranged at an angle of about 20 degrees to about 90 degrees with respect to an interface with an adjacent layer into which electrons are injected.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Sung-ll Woo, Dong-Young Kim, Hye-Ock Choi
  • QUANTUM DOT EMITTING DIODE AND QUANTUM DOT DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20190081262
    Abstract: A quantum dot emitting diode includes first and second electrodes facing each other; a quantum dot emitting material layer between the first and second electrodes; and an electron transporting layer including an electron transporting material and disposed between the quantum dot emitting material layer and the second electrode, wherein the electron transporting material includes a core of metal oxide and a shell of silica.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 14, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Min-Jee KIM, Sung-Il WOO, Hye-Ock CHOI, Ji-Yeon KANG
  • ORGANIC COMPOUND, AND ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20180097184
    Abstract: The present invention provides an organic compound for an organic light emitting diode. The organic compound is represented by: The organic compound is capable of reducing a driving voltage of an organic light emitting diode by an excellent charge transporting property. The present invention also provides an organic light emitting diode and an organic light emitting display device including the organic compound.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 5, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Jae LEE, Jong-Kwan BIN, Bo-Min SEO, Hye-Ock CHOI