Patent · US Expired

Fluorescent, structured shaped bodies

US6584714B1 · kind B1 · utility

14Cited by

9References

12Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Rolf Wehrmann · Krefeld, DE
Helmut-Werner Heuer · Krefeld, DE

Key dates

Filing date	May 15, 2001
Grant date	Jul 1, 2003
Priority date	—
Expiry date	May 15, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/0003
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Optical display containing one or more shaped articles and a light source. The shaped articles consist of a transparent or semitransparent plastic. The plastic contains one or more fluorescent substances. One or more light sources are arranged in such a way that their light is applied to the surface of the shaped article at particular regions of it and propagates through the shaped article. The shaped article contains means for controlled light output, so that the light can be output from the shaped article in a controlled way at quite particular regions on the surface of the shaped article.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.