Polymer dispersed liquid crystal film comprising an optical lens having a first lens area and a second lens area and flat panel display device having the same
US10446797B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
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Key dates
| Filing date | Apr 12, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Sep 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/292
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is provided a polymer dispersed liquid crystal film including a resin base, an optical lens on the resin base and including polymer dispersed liquid crystal particles within the resin base, and having a first lens area having a higher refractive index at an edge of the first lens area than at a center of the first lens area, and a second lens area surrounding the first lens area and having a lower refractive index at an outer edge of the second lens area than at an inner edge of the second lens area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.