Patents by Inventor Yeon Jae YOO

Yeon Jae YOO 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: 20240125996
    Abstract: A method for replicating a holographic optical element and a holographic optical element replicated thereby are provided. The holographic optical element is larger than a master. The master has a holographic grating pattern generated on the master by interference of the reflected, diffracted or transmitted beam generated by irradiating the master having a specific diffraction grating pattern formed thereon with a laser beam.
    Type: Application
    Filed: August 25, 2021
    Publication date: April 18, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Bo Ra Jung, Joon Young Lee, Min Soo Song, Do Kyeong Kwon, Yeon Jae Yoo
  • Patent number: 11680311
    Abstract: The present invention relates to a method for forming an amorphous layer on one surface of a second substrate through a simple method of performing laser irradiation on a multilayered metal layer provided on a first substrate.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: June 20, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Jung Hwan Yoon, Bu Gon Shin, Jeong Ho Park, Eun Kyu Her, So Young Choo, Yeon Jae Yoo
  • Publication number: 20200370164
    Abstract: The present invention relates to a method for forming an amorphous layer on one surface of a second substrate through a simple method of performing laser irradiation on a multilayered metal layer provided on a first substrate.
    Type: Application
    Filed: June 11, 2019
    Publication date: November 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hwan YOON, Bu Gon SHIN, Jeong Ho PARK, Eun Kyu HER, So Young CHOO, Yeon Jae YOO