High chroma flakes
US11214689B2 · kind B2 · utility
3Cited by
33References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2017 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jun 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An article including a reflector having a first surface and a second surface opposite the first surface; a first selective light modulator layer external to the first surface of the reflector; a second selective light modulator layer external to the second surface of the reflector; a first absorber layer external to the first selective light modulator layer; and a second absorber layer external to the second selective light modulator layer; wherein each of the first and second selective light modulator layers include a host material is disclosed herein. Methods of making the article are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.