Light box and light box group therewith
US11631349B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2020 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Jun 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2013/222
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light box having a front part and a rear part. The front part, a printable, translucent, and rollable front plastics plate, forms a front side with a perimeter edge. The front part has a peripheral first connecting strip fixed on the front plastics plate to extend at least substantially along the entire perimeter edge of the front plastics plate. The rear part has a rollable rear plastics plate forming the rear side with a perimeter edge. The rear part has a peripheral second connecting strip fixed on the rear plastics plate to extend at least substantially along the entire perimeter edge of the rear plastics plate. At least one electrical light-emitting unit is arranged on an inside of the rear plastics plate opposite the rear side. The front part is fixed in front of the rear part by the first and second connecting strips.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.