发明名称 |
High efficiency glass halogen lamp with interference coating |
摘要 |
The disclosure provides a light-transmissive glass halogen filament tube with a filament light source having a coil concentricity ratio of not greater than 20% disposed therein, the filament tube having a multi-layer optical interference coating deposited on the outer surface thereof that transmits visible radiation from about 400-750 nm and reflects infra red radiation from about 800-2500 nm back to the filament for re-absorption, the coated filament tube exhibiting an LPW gain of at least 26%.
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申请公布号 |
US8461754(B2) |
申请公布日期 |
2013.06.11 |
申请号 |
US20090643543 |
申请日期 |
2009.12.21 |
申请人 |
CHOWDHURY ASHFAQUL ISLAM;HOEGLER LEONARD EDWARD;WRIGHT WILLIAM ROBERT;GENERAL ELECTRIC COMPANY |
发明人 |
CHOWDHURY ASHFAQUL ISLAM;HOEGLER LEONARD EDWARD;WRIGHT WILLIAM ROBERT |
分类号 |
H01J5/16;H01J61/40;H01K1/26;H01K1/32 |
主分类号 |
H01J5/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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