Electroluminescent retroreflective article
US6142643A · kind A · utility
32Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1997 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | Nov 7, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2013/227
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electroluminescent retroreflective article comprising: (a) a retroreflective member comprising (1) a cube corner member having a front surface and a back surface, the back surface having a plurality of cube corner elements protruding therefrom and (2) a seal film bonded to the back surface having a first surface oriented toward the cube corner elements and a second surface oriented away from the cube corner elements; and (b) an electroluminescent element bonded to the second surface of the seal film such that the electroluminescent element emits light incident to the seal film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.