Patents by Inventor Duy Hieu LE

Duy Hieu LE 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).

  • COORDINATION COMPOUND AND LIGHT ABSORBER COMPRISING SAME
    Publication number: 20230383149
    Abstract: A coordination compound, and a light absorber including the same.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 30, 2023
    Inventors: Seonkyoung Son, Duy Hieu Le, Junhyun An, Hoyong Lee
  • MONOAZO DICHROIC DYE COMPOUND, POLARIZING PLATE COMPOSITION COMPRISING SAME, POLARIZING PLATE FORMED THEREFROM, AND OPTICAL DEVICE COMPRISING SAME
    Publication number: 20230357638
    Abstract: Disclosed is a mono-azo dichroic dye compound represented by the following Chemical Formula 1, a composition for polarizing plate, a polarizing plate, and an optical device. In Chemical Formula 1, Z represents any one selected from the group consisting of CN, COOR11, indanone and 1,3-dioxoindane, wherein R11 is any one selected from the group consisting of alkyl groups, aryl groups, and substituted or non-substituted heteroaryl groups. The mono-azo dichroic dye compound shows excellent dichroic properties, and has excellent heat resistance and photo-resistance, and thus may be used advantageously for a dye-based polarizing plate.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 9, 2023
    Inventors: Seo-Young IM, Duy Hieu LE, Ho-Yong LEE, Sang-A CHOI
  • MONOAZO DICHROIC DYE COMPOUND, POLARIZING PLATE COMPOSITION COMPRISING SAME, POLARIZING PLATE FORMED THEREFROM, AND OPTICAL DEVICE COMPRISING SAME
    Publication number: 20230340331
    Abstract: Disclosed is a mono-azo dichroic dye compound represented by the following Chemical Formula 1, a composition for polarizing plate, a polarizing plate, and an optical device. In Chemical Formula 1, R3 represents a substituted or non-substituted heterocyclic group having 1-20 carbon atoms. The mono-azo dichroic dye compound shows excellent dichroic properties, and has excellent heat resistance and photo-resistance, and thus may be used advantageously for a dye-based polarizing plate.
    Type: Application
    Filed: July 15, 2021
    Publication date: October 26, 2023
    Inventors: Seo-Young IM, Duy Hieu LE, Ho-Yong LEE, Jae-Myeng JEONG
  • COMPOUND AND OPTICAL FILM COMPRISING SAME
    Publication number: 20230287008
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a composition for forming an optical film and an optical film including the same, and a display device including the optical film.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 14, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Sang Pil MOON, Duy Hieu LE, Hoyong LEE
  • COMPOUND AND OPTICAL FILM COMPRISING SAME
    Publication number: 20230111104
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a composition for forming an optical film and an optical film including the same, and a display device including the optical film.
    Type: Application
    Filed: March 4, 2021
    Publication date: April 13, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Sang Pil MOON, Duy Hieu LE, Hoyong LEE
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM PREPARED USING SAME, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20230023648
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.
    Type: Application
    Filed: July 13, 2020
    Publication date: January 26, 2023
    Applicant: LG CHEM, LTD
    Inventors: Hanbit JANG, Jaemyeng YEONG, Duy Hieu LE, Hoyong LEE
  • COMPOUND AND OPTICAL FILM COMPRISING SAME
    Publication number: 20220402942
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a composition for forming an optical film and an optical film comprising the same, and a display device comprising the optical film.
    Type: Application
    Filed: February 24, 2021
    Publication date: December 22, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Sang Pil MOON, Duy Hieu LE, Hoyong LEE
  • OPTICAL FILM FORMING COMPOSITION, OPTICAL FILM, AND DISPLAY DEVICE INCLUDING SAME
    Publication number: 20220403136
    Abstract: The present specification relates to a composition for forming an optical film comprising a compound represented by Chemical Formula 1 and a binder resin, an optical film, and a display device comprising the same.
    Type: Application
    Filed: March 4, 2021
    Publication date: December 22, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Bongjun KIM, Sang Pil MOON, Mun Kyu JOO, Duy Hieu LE, Yeon Keun LEE, Hoyong LEE
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM MANUFACTURED THEREFROM, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20220389014
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film manufactured using the same, a backlight unit and a display apparatus.
    Type: Application
    Filed: July 13, 2020
    Publication date: December 8, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Hanbit JANG, Duy Hieu LE, Jaemyeng JEONG, Hoyong LEE
  • COMPOUND, PHOTOSENSITIVE FLUORESCENT RESIN COMPOSITION COMPRISING SAME, COLOR CONVERSION FILM, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20220390841
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a photoresist fluorescent resin composition including the same, and a color conversion film, a backlight unit and a display apparatus manufactured using the same.
    Type: Application
    Filed: July 13, 2020
    Publication date: December 8, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Hanbit JANG, Duy Hieu LE, Jaemyeng JEONG, Hoyong LEE
  • Compound, color conversion composition and color conversion film comprising same, back light unit comprising same, display device comprising same, and method for manufacturing color conversion film
    Patent number: 11332660
    Abstract: The present specification relates to a compound having structure openness for a boron atom of 0.5 or less, a color conversion composition and a color conversion film comprising same, a backlight unit comprising same, a display apparatus comprising same, and a method for manufacturing a color conversion film.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: May 17, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jiyeon Sung, Hoyong Lee, Seungha Kim, Wonjoon Heo, Duy Hieu Le, Sang Pil Moon
  • Compound, color conversion film comprising same, back-light unit, and display device
    Patent number: 11214580
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: January 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Sang Pil Moon, Hoyong Lee, Duy Hieu Le, Jeeseon Kim
  • COLOR CONVERSION COMPOSITION, COLOR CONVERSION FILM INCLUDING SAME, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20210403488
    Abstract: The present specification relates to a color conversion composition including a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2 in a molar ratio of 1:1 to 5:1, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Application
    Filed: February 17, 2020
    Publication date: December 30, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Milim LEE, Seonkyoung SON, Duy Hieu LE, Sang Pil MOON, Hoyong LEE
  • COMPOUND AND COLOR CONVERSION FILM COMPRISING SAME, BACKLIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20210222060
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Application
    Filed: February 26, 2020
    Publication date: July 22, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Sang Pil MOON, Hoyong LEE, Duy Hieu LE, Jeeseon KIM
  • COMPOUND, COLOR CONVERSION FILM COMPRISING SAME, BACK-LIGHT UNIT, AND DISPLAY DEVICE
    Publication number: 20210147449
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 20, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Sang Pil MOON, Hoyong LEE, Duy Hieu LE, Jeeseon KIM
  • COMPOUND, COLOR CONVERSION COMPOSITION AND COLOR CONVERSION FILM COMPRISING SAME, BACK LIGHT UNIT COMPRISING SAME, DISPLAY DEVICE COMPRISING SAME, AND METHOD FOR MANUFACTURING COLOR CONVERSION FILM
    Publication number: 20210108133
    Abstract: The present specification relates to a compound having structure openness for a boron atom of 0.5 or less, a color conversion composition and a color conversion film including the same, a backlight unit including the same, a display apparatus including the same, and a method for manufacturing a color conversion film.
    Type: Application
    Filed: October 15, 2019
    Publication date: April 15, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jiyeon SUNG, Hoyong LEE, Seungha KIM, Wonjoon HEO, Duy Hieu LE, Sang Pil MOON
  • Compound and color conversion film comprising same
    Patent number: 10544166
    Abstract: The present specification relates to a novel compound, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: January 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Hoyong Lee, Duy Hieu Le, Jiyeon Sung
  • Metal complex and color conversion film comprising same
    Patent number: 10150911
    Abstract: The present specification relates to a novel compound, and a color conversion film, a backlight unit, and a display device, comprising the same.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: December 11, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hoyong Lee, Kichul Koo, Minyoung Kang, Duy hieu Le
  • Metal complex and color conversion film comprising same
    Patent number: 10112959
    Abstract: The present disclosure relates to a novel compound, a color conversion film, a backlight unit and a display device comprising the same.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: October 30, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Hoyong Lee, Kichul Koo, Minyoung Kang, Duy Hieu Le
  • COMPOUND AND COLOR CONVERSION FILM COMPRISING SAME
    Publication number: 20180186817
    Abstract: The present specification relates to a novel compound, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Application
    Filed: October 10, 2016
    Publication date: July 5, 2018
    Inventors: Hoyong LEE, Duy Hieu LE, Jiyeon SUNG