Patents by Inventor Hoo-Yong Lee

Hoo-Yong Lee 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).

  • Polymerisable Liquid Crystal Material and Polymerised Liquid Crystal Film
    Publication number: 20220162504
    Abstract: A polymerisable LC material comprising one or more di- or multireactive mesogenic compounds and one or more compounds of formula UVI, and one or more compounds of formula UVII, Further, a method for its preparation, a polymer film with improved thermal durability and UV stability obtainable from a corresponding polymerisable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 26, 2022
    Applicant: Merck Patent GmbH
    Inventors: Jin-Soon Park, Hoo-Yong Lee, Hyun-Jin Yoon, Heui-Seok Jin
  • LIQUID-CRYSTALLINE MEDIUM
    Publication number: 20220025265
    Abstract: A liquid-crystalline media having a negative dielectric anisotropy and a high clearing point as specified herein, is suitable for use of in switchable optical cells in window elements, in particular laminated window elements.
    Type: Application
    Filed: July 15, 2021
    Publication date: January 27, 2022
    Applicant: Merck Patent GmbH
    Inventors: Hoo-Yong LEE, Hyun-Jin YOON
  • Liquid crystal medium containing polymerisable compounds
    Patent number: 10570335
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: February 25, 2020
    Assignee: Merck Patetn GmbH
    Inventors: Dong-Mee Song, Ki-Sun Kwon, Hoo-Yong Lee, Melanie Klasen-Memmer, Christian Schoenefeld, Konstantin Schneider, Matthias Koch, Joerg Peschke, Matthias Bremer, Nils Greinert
  • Liquid-crystal media and light modulation element
    Patent number: 10358601
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the reverse mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, and to a method of production of such light modulation elements according to the present invention.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: July 23, 2019
    Assignee: Merck Patent GmbH
    Inventors: Hyun-Woo Bae, Dong-Mee Song, Hoo-Yong Lee, Jung-Min Lee, Yong-Kuk Yun
  • LIQUID CRYSTAL MEDIUM CONTAINING POLYMERISABLE COMPOUNDS
    Publication number: 20180187080
    Abstract: The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.
    Type: Application
    Filed: June 2, 2016
    Publication date: July 5, 2018
    Applicant: Merck Patent GmbH
    Inventors: Dong-Mee SONG, Ki-Sun KWON, Hoo-Yong LEE, Melanie KLASEN-MEMMER, Christian SCHOENEFELD, Konstantin SCHNEIDER, Matthias KOCH, Joerg PESCHKE, Matthias BREMER, Nils GREINERT
  • LIQUID-CRYSTAL MEDIA AND LIGHT MODULATION ELEMENT
    Publication number: 20170253801
    Abstract: The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the reverse mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, and to a method of production of such light modulation elements according to the present invention.
    Type: Application
    Filed: March 1, 2017
    Publication date: September 7, 2017
    Applicant: Merck Patent GmbH
    Inventors: Hyun-Woo BAE, Dong-Mee SONG, Hoo-Yong Lee, Jung-Min LEE, Yong-Kuk Yun