Multicolor electrochromic structure, fabrication method and application thereof
US11747695B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2019 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Mar 9, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multicolor electrochromic structure comprises a working electrode, an electrolyte and an auxiliary electrode. The electrolyte is distributed between the working electrode and the auxiliary electrode. The working electrode comprises an electrochromic layer which comprises a first reflective surface and a second reflective surface arranged face to face in parallel. A dielectric layer is arranged between the first and the second reflective surfaces. The first and the second reflective surfaces and the dielectric layer form an optical cavity. The dielectric layer is fabricated by an electrochromic material. The multicolor electrochromic structure can combine a structural color with electrochromism to display various color changes; it features a simple structure, low costs and a wide application prospect, and it is easy to be fabricated. Also provided are a fabrication method and a regulation method of the multicolor electrochromic structure, and an electrochromic device, an image display, comprising the multicolor electrochromic structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.