Method of forming polymer-dispersed liquid crystal film including dichroic dye
US8537308B2 · kind B2 · utility
3Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Mar 8, 2011 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Nov 29, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a method of forming a polymer-dispersed liquid crystal (PDLC) film, the presence of dichroic dye in a polymer may be prevented or reduced by diffusing dichroic dye into a PDLC layer, and a PDLC display device having improved visibility may be formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.