Electrochromic display element and image display device
US9500926B2 · kind B2 · utility
6Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Jan 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2001/1552
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is an electrochromic display element, including a display substrate, a display electrode, an electrochromic layer, an opposed electrode, and an opposed substrate, wherein the electrochromic layer is formed on the display electrode, a liquid crystal composition that includes a low-molecular liquid crystal and an ionic liquid is present between the display electrode and the opposed electrode, and the ionic liquid includes a tetracyanoboric acid ion and/or tris(pentafluoroethyl)trifluorophosphoric acid ion as an anionic component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.