发明名称 |
Light source device and projector |
摘要 |
<p>A light source device includes: a light emitting tube having a light emitting portion that generates light by an electric discharge between a pair of electrodes and first and second sealed portions provided on both sides of the light emitting portion; a main reflecting mirror provided along the first sealed portion of the light emitting tube and having a main reflecting portion that reflects light radiated from the light emitting tube so as to converge at a predetermined position; and a sub-reflecting mirror provided along the second sealed portion of the light emitting tube and having a sub-reflecting portion and a base portion, the sub-reflecting portion sending a light radiated from the light emitting tube toward a side opposite to the main reflecting mirror back to the light emitting portion of the light emitting tube, and the base portion being provided at a side of the second sealed portion of the sub-reflecting portion and formed in a stepped manner with respect to the sub-reflecting portion.</p> |
申请公布号 |
EP1694078(B1) |
申请公布日期 |
2010.04.07 |
申请号 |
EP20060003492 |
申请日期 |
2006.02.21 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
NISHIDA, KAZUHIRO;TAKEZAWA, TAKESHI |
分类号 |
H04N9/31;F21V7/00;G03B21/20 |
主分类号 |
H04N9/31 |
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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