Inventor
CHANG YEONGRAE
KR47 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YEONGRAE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LG CHEMICAL LTD
45 patentsUS11307494B2Apr 19, 2022
Hologram medium and optical element
LG CHEMICAL LTD4 citations72
US11226557B2Jan 18, 2022
Photopolymer composition
LG CHEMICAL LTD3 citations72
US11506820B2Nov 22, 2022
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD2 citations71
US11435664B2Sep 6, 2022
Photopolymer composition
LG CHEMICAL LTD4 citations71
US11428848B2Aug 30, 2022
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD2 citations71
US11126082B2Sep 21, 2021
Photopolymer composition
LG CHEMICAL LTD4 citations71
US11084933B2Aug 10, 2021
Dye compound and photopolymer composition
LG CHEMICAL LTD6 citations71
US11624857B2Apr 11, 2023
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD2 citations68
US12422592B2Sep 23, 2025
Anti-glare film, polarizing plate and display apparatus
LG CHEMICAL LTD0 citations62
US12345978B2Jul 1, 2025
Anti-glare film, polarizing plate and display apparatus
LG CHEMICAL LTD0 citations62
US12050304B2Jul 30, 2024
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD0 citations62
US11945914B2Apr 2, 2024
Curable composition and optical material comprising cured product thereof
LG CHEMICAL LTD0 citations62
US11003017B2May 11, 2021
Polarizer protective film, polarizing plate comprising same, and liquid crystal display device comprising polarizing plate
LG CHEMICAL LTD1 citations62
US12441843B2Oct 14, 2025
Diffraction light guide plate and manufacturing method thereof
LG CHEMICAL LTD0 citations61
US12253651B2Mar 18, 2025
Anti-reflective film
LG CHEMICAL LTD0 citations61
US12253650B2Mar 18, 2025
Anti-reflective film
LG CHEMICAL LTD0 citations61
US12104057B2Oct 1, 2024
Curable composition and optical material comprising cured product thereof
LG CHEMICAL LTD0 citations61
US11994704B2May 28, 2024
Hologram medium
LG CHEMICAL LTD0 citations61
US11958987B2Apr 16, 2024
Cover window for flexible display device and flexible display device
LG CHEMICAL LTD0 citations61
US11945969B2Apr 2, 2024
Anti-glare film, polarizing plate and display device
LG CHEMICAL LTD0 citations61
US11851515B2Dec 26, 2023
Photopolymer composition
LG CHEMICAL LTD0 citations61
US11827731B2Nov 28, 2023
Photopolymer composition
LG CHEMICAL LTD0 citations61
US11549025B2Jan 10, 2023
Film for blocking ultraviolet rays
LG CHEMICAL LTD1 citations61
US12529925B2Jan 20, 2026
Anti-glare film, polarizing plate and display apparatus
LG CHEMICAL LTD0 citations60
US12371533B2Jul 29, 2025
Curable composition and optical material
LG CHEMICAL LTD0 citations60
US12092794B2Sep 17, 2024
Anti-glare film, polarizing plate and display apparatus
LG CHEMICAL LTD0 citations60
US12072468B2Aug 27, 2024
Cover window for flexible display device and flexible display device
LG CHEMICAL LTD0 citations60
US11067847B2Jul 20, 2021
Polarizer protective film, polarizing plate comprising same, and liquid crystal display device comprising polarizing plate
LG CHEMICAL LTD1 citations60
US12468072B2Nov 11, 2025
Optical film and micro LED display comprising thereof
LG CHEMICAL LTD0 citations59
US12578638B2Mar 17, 2026
Photopolymer composition for hologram formation, hologram recording medium and optical elements
LG CHEMICAL LTD0 citations56
US11732142B2Aug 22, 2023
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD0 citations51
US11591433B2Feb 28, 2023
Photopolymer composition
LG CHEMICAL LTD0 citations51
US11485875B2Nov 1, 2022
Visibility improving film for display panel and display device comprising same
LG CHEMICAL LTD0 citations51
US12169298B2Dec 17, 2024
Polarizing plate and image display device comprising the same
LG CHEMICAL LTD0 citations50
US12117592B2Oct 15, 2024
Cover window for flexible display device and flexible display device
LG CHEMICAL LTD0 citations50
US12078777B2Sep 3, 2024
Optical laminate, polarizing plate, and display device
LG CHEMICAL LTD0 citations50
US12065544B2Aug 20, 2024
Curable composition and optical element comprising cured product thereof
LG CHEMICAL LTD0 citations50
US12001141B2Jun 4, 2024
Photopolymer composition
LG CHEMICAL LTD0 citations50
US11833804B2Dec 5, 2023
Visibility improving film for display panel and display device comprising same
LG CHEMICAL LTD0 citations50
US11815759B2Nov 14, 2023
Polarizing plate, liquid crystal panel and display device
LG CHEMICAL LTD0 citations50
US11639449B2May 2, 2023
Visibility improving film for display panel and display device comprising same
LG CHEMICAL LTD0 citations50
US11525048B2Dec 13, 2022
Visibility improving film for display panel and display device comprising same
LG CHEMICAL LTD0 citations50
US12140831B2Nov 12, 2024
Cover window for flexible display device and flexible display device
LG CHEMICAL LTD0 citations49
US11880017B2Jan 23, 2024
Anti-reflective film, polarizing plate, and display apparatus
LG CHEMICAL LTD0 citations49
US12091520B2Sep 17, 2024
Composition for optical film, optical film and display device comprising the same
LG CHEMICAL LTD0 citations46