发明申请
- 专利标题: DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND PROJECTOR
- 专利标题(中): 放电灯,光源设备和投影仪
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申请号: US12685911申请日: 2010-01-12
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公开(公告)号: US20100201268A1公开(公告)日: 2010-08-12
- 发明人: Noboru SAKURAI , Yoshihide NISHIYAMA
- 申请人: Noboru SAKURAI , Yoshihide NISHIYAMA
- 申请人地址: JP Tokyo
- 专利权人: SEIKO EPSON CORPORATION
- 当前专利权人: SEIKO EPSON CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2009-026363 20090206
- 主分类号: H01J61/26
- IPC分类号: H01J61/26 ; H01J7/46 ; G03B21/00
摘要:
A discharge lamp includes an arc tube made of quartz glass and enclosing a light emitting substance, and an electrode mainly made of tungsten and arranged in the arc tube, the electrode including at least one getter material that binds with oxygen.
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