Polymer-small molecule film or coating having reverse or flat dispersion of retardation
US9829617B2 · kind B2 · utility
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72References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Jan 6, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/03
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to a retarder plate with adjustable dispersion of retardation. The retarder can form a quarter-wave plate that exhibits a reverse or flat dispersion of retardation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.