发明名称 |
Lamp device, manufacturing method for same and projector having a lamp device |
摘要 |
A lamp device and a projector having the lamp device eliminated of light leaking in a direction opposite to a reflecting direction at a rear end of an encapsulation fixing an arc tube on a reflection mirror is simply and inexpensively provided. An arc tube and a reflection mirror are provided. The arc tube has encapsulations one of which is inserted in a cylinder of the reflection mirror thereby securing the encapsulation and the cylinder together by an adhesive. The bulb of the arc tube and the other encapsulation are positioned on a side close to a reflection surface of the reflection mirror. The encapsulation inserted in the cylinder and positioned on a side opposite to the reflection surface has an end at least at an end face of which is covered with the adhesive thereby providing light shield.
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申请公布号 |
US7588348(B2) |
申请公布日期 |
2009.09.15 |
申请号 |
US20050049679 |
申请日期 |
2005.02.04 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
FUJISAWA SHOHEI;KOBAYASHI HIROYUKI;TERASHIMA TORU;TANAKA KAZUHIRO;TAKEZAWA TAKESHI;MACHIDA TOMONOBU;TAKADO YUJI |
分类号 |
G03B21/14;H05B31/00;F21K2/00;F21S2/00;F21V19/00;F21Y101/00;G03B21/20;H01J61/86;H04N5/74 |
主分类号 |
G03B21/14 |
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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