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    • 10. 发明授权
    • Lamp device and projector equipped with the same
    • 灯具和投影机配备相同
    • US07661830B2
    • 2010-02-16
    • US11898870
    • 2007-09-17
    • Takeshi TakezawaShohei FujisawaKazuhiro TanakaHiroyuki KobayashiToru Terashima
    • Takeshi TakezawaShohei FujisawaKazuhiro TanakaHiroyuki KobayashiToru Terashima
    • G03B21/28G03B21/20F21V7/00G02F1/13357
    • H01J61/86F21V7/0025F21V17/04H01J61/025H04N9/315
    • Aspects of the invention can provide a lamp device that is capable of avoiding concentration of stresses in a sub-mirror fixing portion of an arc tube. The lamp device can include an arc tube provided with a bulb portion encapsulating inside a pair of electrodes, and a pair of sealing portions formed continuously from the bulb portion and sealing inside electrode axes having the electrodes at tip ends and conductor foils to bring the electrode axes into conduction, a main reflection mirror, to which the sealing portion is fixed, to reflect lights emitted from the arc tube toward an illuminated region, and a sub-mirror fixed to the sealing portion in such a manner that a reflection surface opposes the main reflection mirror with the bulb portion in between. The sub-mirror can be bonded with a bonding agent to a surface region of the sealing portion present in a direction moving away from the bulb portion in reference to a position corresponding to a termination of the electrode axis.
    • 本发明的方面可以提供能够避免在电弧管的副镜固定部分中的应力集中的灯装置。 灯装置可以包括设置有封装在一对电极内的灯泡部分的电弧管和从灯泡部分连续形成的一对密封部分,并且密封内部电极轴线,电极轴线具有末端处的电极和导体箔以使电极 轴导向,主反射镜,密封部分固定到主反射镜,以将从电弧管发射的光反射到照明区域;以及副反射镜,其以与反射面相反的方式固定到密封部分 主反射镜,其中灯泡部分在其间。 相对于与电极轴线的终止位置相对应的位置,副反射镜可以使用粘合剂粘合到沿着从灯泡部分移开的方向上的密封部分的表面区域。