Near-infrared absorbers, near-infrared absorbing/blocking films and photoelectric devices and organic sensors and electronic devices
US11849595B2 · kind B2 · utility
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Key dates
| Filing date | Jul 31, 2020 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Aug 20, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A near-infrared absorber includes a compound represented by Chemical Formula 1. A near-infrared absorbing/blocking film, a photoelectric device, an organic sensor, and an electronic device may include the near-infrared absorber.In Chemical Formula 1, Ar1, Ar2, X1, L1, L2, R1, R2, R3, and R4 are the same as defined in the detailed description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.