Anti-reflective assemblies
US12394911B2 · kind B2 · utility
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9References
20Claims
0Family size
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Key dates
| Filing date | Mar 4, 2022 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Aug 6, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/422
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Anti-reflective assemblies comprise: a high dielectric permittivity substrate comprising a ceramic and a nonporous multilayer anti-reflective film contacting or adhesively bonded to the substrate. The nonporous multilayer anti-reflective film comprises sequential first, second, and third layers of sequentially decreasing dielectric permittivity. Each layer comprises a respective polymer matrix and filler particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.