| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.00 |
| PATENT ASSIGNEE | Advanced Vision Technologies |
| PATENT CLAIMS |
Layered phosphor having an overall spectral output, comprising - Base layer formed of first phosphor having a first spectral output, comprising ZnO - An overlayer formed of second phosphor, comprising (i) Zn; (ii) Tantalum & (iii) Oxygen chemically combined in suitable proportions such that said overlayer has a second spectral output, whereby said first & second spectral outputs combine to provide said overall spectral output |
| PATENT PHOTOCOPY | Available on request |
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