Optical devices with asymmetric layer structure
US11650473B2 · kind B2 · utility
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2References
20Claims
0Family size
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Key dates
| Filing date | Jun 24, 2019 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | May 15, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/26
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An article includes a reflector having a first surface, a second surface opposite the first surface, and a third surface; and a first selective light modulator layer external to the first surface of the reflector; wherein the third surface of the reflector is open. A method of making an article is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.