Squarylium compounds and infrared cut films, infrared cut filters and electronic devices including the same
US11858911B2 · kind B2 · utility
0Cited by
4References
19Claims
0Family size
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Key dates
| Filing date | Feb 17, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Feb 17, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K39/32
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A squarylium compound has high transmittance in a visible wavelength spectrum of light and is configured to selectively absorb light in an infrared/near infrared wavelength spectrum of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.