Composition for near-infrared light-absorbing films, near-infrared light-absorbing layers, camera modules, and electronic devices
US11300718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2018 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Apr 1, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3417
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition for a near-infrared light-absorbing film includes a binder, a compound represented by Chemical Formula 1, and a compound represented by Chemical Formula 2, wherein a total amount of the compound represented by Chemical Formula 1 and the compound represented by Chemical Formula 2 ranges from about 2.0 parts by weight to about 2.6 parts by weight based on 100 parts by weight of the binder. A near-infrared light-absorbing film may include a near-infrared light-absorbing layer including a cured product of the composition. A camera device may include the near-infrared light-absorbing film, and an electronic device may include the camera device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.