| 申请日期 | 2025-06-26 | 申请号 | JP2001316384 |
| 公开（公告）号 | JP4519380B2 | 公开（公告）日 | 2010-08-04 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Koninklijke Philips Electronics N V590000248 | ||
| 简介 | UV light-reflecting layer contains at least 10, preferably 10-70 wt.% Al2O3, and at least 10 wt.% of a material having a higher refractive index than Al2O3. An Independent claim is also included for a process for applying a layer of UV light-reflecting onto lamp glass. Preferred Features : The material having a higher refractive index than Al2O3 is selected from zirconium dioxide, doped zirconium dioxide, yttrium oxide, hafnium oxide and rare earth oxides. | ||
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