Illumination device and display device
US12253758B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2022 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Dec 2, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/157
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to one embodiment, an illumination device includes an electrochromic element and light sources. The electrochromic element includes a first transparent substrate, a first transparent electrode provided on the first transparent substrate, a second transparent substrate opposing the first transparent substrate, projections provided on the second transparent substrate and projecting toward the first transparent substrate, a second transparent electrode provided on a part of the projection and an electrolyte layer provided between the first transparent substrate and the second transparent substrate and containing an electrochromic material including a reflective material capable of oxidation-reduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.