Polarizing article and method of forming a polarizing article
US10884288B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2016 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Dec 30, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133531
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a polarizing article that includes in order: (a) a substrate; (b) a first orientation facility having a first orientation direction; (c) a first polarized layer, that includes a first dichroic fixed-tint dye and a first liquid-crystal material, and which has a first polarization axis; (d) a second orientation facility having a second orientation direction; and (e) a second polarized layer that includes a second dichroic fixed-tint dye and a second liquid-crystal material, and which has a second polarization axis. The first and second polarization axes are oriented relative to each other at an angle of greater than 0° and less than or equal to 90°. The electromagnetic absorption spectra of the first and second dichroic fixed-tint dyes are different from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.