| 发明名称 |
Light source unit and projector having the same |
| 摘要 |
An object of this invention is to provide a light source unit capable of effectively utilizing converged light from a high-pressure discharge lamp by positioning light axes of an ellipsoidal mirror and a lens to coincide.
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| 申请公布号 |
US7104654(B2) |
申请公布日期 |
2006.09.12 |
| 申请号 |
US20040778493 |
申请日期 |
2004.02.13 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAMARU SHUJI;MARUYAMA KENJI |
| 分类号 |
G03B21/14;G03B21/20;F21S8/00;F21V7/08;F21V13/04;F21Y101/00;H04N5/74 |
主分类号 |
G03B21/14 |
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