Blue light cut film, optical filter comprising same, and display device
US12071532B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2019 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Aug 1, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3475
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A blue light cut film including a diazaporphyrin-based compound of Chemical Formula 1, having absorption in a 380 nm to 450 nm range, and having a main absorption peak in a 560 nm to 600 nm range, wherein the main absorption peak has a full width at half the peak maximum of 30 nm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.