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    • 3. 发明专利
    • 光照射装置
    • JP2015201320A
    • 2015-11-12
    • JP2014079090
    • 2014-04-08
    • ウシオ電機株式会社
    • 稲田 正山森 賢治
    • H01J65/00B01J19/12H01J61/52
    • H01J61/526H01J65/046H05B41/24
    • 【課題】エキシマランプの高圧側電極から当該高圧側電極を冷却する冷却媒体に電流が流れたときに、当該電流を外部に放流することができ、従って、高圧側電極を安全に冷却することができる光照射装置を提供する。 【解決手段】冷却媒体流通路を流れる冷却媒体により冷却される高圧側電極を有するエキシマランプを備えた光照射装置であって、前記冷却媒体流通路内の冷却媒体に接触する導電体が設けられており、前記導電体が漏れ電流放流用回路に電気的に接続されていることを特徴とする。 【選択図】図1
    • 要解决的问题:提供一种光照射装置,当电流被允许流入冷却介质以冷却来自高压侧电极的准分子灯的高压侧电极时,可以将电流放电到外部, 从而可以安全地冷却高压侧电极。解决方案:包括具有流经冷却介质流动通道的冷却介质冷却的高压侧电极的准分子灯的光照射装置包括与 冷却介质流路中的冷却介质和导体与漏电流放电电路电连接。
    • 5. 发明专利
    • Light source device and projector
    • 光源设备和投影机
    • JP2010107574A
    • 2010-05-13
    • JP2008276913
    • 2008-10-28
    • Seiko Epson Corpセイコーエプソン株式会社
    • ONODERA HIROSHITAKIZAWA TAKAHIRO
    • G03B21/16F21S2/00F21V29/00F21V29/02F21Y101/00G03B21/00G03B21/14
    • H01J61/523G03B21/16G03B21/2026G03B21/2066H01J61/025H01J61/526H01J61/86H04N9/3144
    • PROBLEM TO BE SOLVED: To provide a light source device capable of appropriately cooling a light-emitting tube, and to provide a projector. SOLUTION: The light source device 5 includes the light-emitting tube 51 including a light-emitting part 511 and a first sealing part 512, a first reflecting mirror 52 having a reflective surface 5221 in nearly concave curved surface shape, and a housing body 6 housing them. The housing body 6 includes a duct 7 located above the light-emitting tube 51, and extending along a center axis of luminous flux reflected by the reflective surface 5221, wherein cooling air flows to an opposite direction to an advancing direction of light reflected by the reflective surface 5221. The duct 7 has: a first opening 6134 located on an edge side in the advancing direction from an opening end of the first reflecting mirror 52; a wall part 6135 forming an edge on a base end side in the advancing direction in the first opening 6134 and being a terminal end of the duct 7; and an inclination part 6132 inclining the cooling air toward a surface on an opposite side to a surface where the first opening 6134 is formed. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够适当地冷却发光管并提供投影仪的光源装置。 光源装置5包括具有发光部511和第一密封部512的发光管51,具有大致凹曲面形状的反射面5221的第一反射镜52和 壳体6容纳它们。 壳体6包括位于发光管51上方并沿反射面5221反射的光束的中心轴延伸的管道7,其中,冷却空气沿与反射面5221反射的光的前进方向相反的方向流动 管道7具有:从第一反射镜52的开口端沿着前进方向位于边缘侧的第一开口6134; 壁部6135,其在第一开口6134中在前进方向的基端侧形成边缘,并且是导管7的终端; 倾斜部分6132使冷却空气向与形成第一开口6134的表面相反的一侧的表面倾斜。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Illumination device and projector with the same
    • 照明装置和投影仪
    • JP2009146902A
    • 2009-07-02
    • JP2008333490
    • 2008-12-26
    • Seiko Epson Corpセイコーエプソン株式会社
    • TAKEZAWA TAKESHI
    • F21S2/00F21V7/00F21V29/00F21Y101/00G03B21/14H01J61/02H01J61/073H01J61/30H01J61/35H01J61/36H01J61/52H01J61/86
    • F21V7/0025H01J61/025H01J61/526
    • PROBLEM TO BE SOLVED: To provide an illumination device comprising a light emitting tube, a main reflector, and a subsidiary reflector wherein the light emitting tube can prevent reduction in life and reliability due to the subsidiary reflector even when the subsidiary reflector is provided to surround the light emitting portion and its vicinity and to provide a projector with the illumination device.
      SOLUTION: The illumination device 100 includes a light emitting tube 10 with a first electrode 12a, a second electrode 12b, a light emitting portion 11, a first sealing portion 13a located at one side of the light emitting portion, and a second sealing portion 13b located at the other side of the light emitting portion; a first reflector 20 mounted on the first sealing portion 13a; and a second reflector 30 mounted on the second sealing portion 13b. The reflective surface of the second reflector 30 is disposed nearer to the light emitting portion 11 than the reflective surface of the first reflector 20. The length of a portion sealed in the second sealing portion 13b along the second electrode axis 16b is greater than the length of a portion sealed in the first sealing portion 13a along the first electrode axis 16a.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种包括发光管,主反射器和辅助反射器的照明装置,其中发光管可以防止由于辅助反射器而导致的寿命和可靠性的降低,即使当辅助反射器是 设置成围绕发光部分及其附近并且为投影仪提供照明装置。 解决方案:照明装置100包括具有第一电极12a,第二电极12b,发光部分11,位于发光部分一侧的第一密封部分13a的发光管10和第二电极 密封部分13b位于发光部分的另一侧; 安装在第一密封部分13a上的第一反射器20; 以及安装在第二密封部分13b上的第二反射器30。 第二反射器30的反射表面比第一反射器20的反射表面更靠近发光部分11.沿第二电极轴线16b密封在第二密封部分13b中的部分的长度大于第二电极轴线16b的长度 沿着第一电极轴线16a密封在第一密封部分13a中的部分。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Short arc type discharge lamp
    • 短弧型放电灯
    • JP2012028168A
    • 2012-02-09
    • JP2010165572
    • 2010-07-23
    • Ushio Incウシオ電機株式会社
    • YAMADA TAKESHINAKAJIMA MITSUGI
    • H01J61/073
    • H01J61/0732H01J61/526H01J61/86
    • PROBLEM TO BE SOLVED: To provide a structure of a short arc type discharge lamp having a pair of electrodes in an arc tube and a heat conductor sealed in a sealed space of at least one of the electrodes, which can prevent the formation of a hole by deformation at a leading end of the electrode owing to a high-temperature creep deformation caused by the heat conductor fused and inducing convection and thus producing a variation of the temperature at a local site of the electrode, particularly at the leading end thereof at activation of the lamp.SOLUTION: The short arc type discharge lamp has a limiting part for limiting convection to rotate in a direction of the circumference of the electrode in the sealed space formed in the electrode when the fused heat conductor is inducing the convection.
    • 解决的问题:提供一种在电弧管中具有一对电极的短弧型放电灯的结构,以及密封在至少一个电极的密封空间中的热导体,其可以防止形成 由于由导热体引起的高温蠕变变形而导致对流,从而在电极的局部位置,特别是在前端产生温度变化,在电极的前端由于变形而产生孔 在激活灯时。 解决方案:短弧型放电灯具有限制部分,用于限制对流,以在熔融的热导体引起对流时,在形成在电极中的密封空间中的电极的圆周方向上旋转。 版权所有(C)2012,JPO&INPIT