Nano-structures patterned on micro-structures
US11960107B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Jan 17, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Nov 28, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/101
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described are optical elements or displays using micro-structures and nano-structures formed conformally thereon that operate to generate optical effects. Such elements and displays may be useful for applications such as displays, and anti-counterfeiting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.