Retractable electroluminescent display system
US9111470B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 13, 2012 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Jan 24, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2013/225
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable display system having a portable housing including a base for supporting the housing on a flat surface and including an electroluminescent display panel which is flexible and provided in a first extended orientation wherein the display panel is visible to a bystander and a second rolled orientation with the display panel returned into a housing interior. An elongated frame supports the display panel in the first extended orientation, with the frame including a first end which engages the housing and a second end that engages the display panel. A return mechanism, such as a spring return, is provided within the housing for retracting the display panel from the first extended orientation into the second retracted orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.