公开(公告)号：US08247974B2

公开(公告)日：2012-08-21

申请号：US12997916

申请日：2010-06-02

申请人： Kazunori Ohta ,  Kouhei Gamada ,  Masayuki Suizu ,  Shuji Tamaru

发明人： Kazunori Ohta ,  Kouhei Gamada ,  Masayuki Suizu ,  Shuji Tamaru

IPC分类号： H01J17/20 ,  H01J61/20

CPC分类号： H01J61/20 ,  G03B21/2026 ,  G03B21/2086 ,  H01J61/86

摘要： The present invention aims to provide a small-sized high-efficiency high pressure discharge lamp that exhibits favorable light intensity distribution properties and is less likely to cause breakage of an arc tube. The present invention is a high pressure discharge lamp 101 comprising: an arc tube 110 that includes; a light-emitting part 111 having a substantially spherical shape and having mercury enclosed therein; and a pair of sealing parts 112 extending from opposite sides of the light-emitting part 111; and a pair of electrodes 130 that are arranged in the arc tube 110 such that an end of each electrode is sealed by a respective sealing part and the other ends of the electrodes oppose each other in the light-emitting part. The enclosed mercury has a density of 0.2 to 0.4 [mg/mm3] inclusive. A distance W from a contact point S to a center O is 3.0 to 5.0 [mm] inclusive. A distance CO from a contact point TO to the center O is 1.5 to 3.0 [mm] inclusive. The distance CO and a distance CM satisfy a relation CM/CO≧0.8, and a minimum thickness X [mm] and a maximum outer diameter D [mm] satisfy a relation X/D≧0.2.

摘要翻译： 本发明旨在提供一种显示出良好的光强分布特性并且不太可能导致电弧管断裂的小型高效高压放电灯。 本发明是一种高压放电灯101，其包括：电弧管110，其包括： 具有大致球形并且包围汞的发光部111; 以及从发光部111的相对侧延伸的一对密封部112; 以及设置在电弧管110中的一对电极130，使得每个电极的端部被相应的密封部分密封，并且电极的另一端在发光部分中彼此相对。 封闭的汞的密度为0.2〜0.4 [mg / mm3]，含密度。 从接触点S到中心O的距离W为3.0〜5.0 [mm]。 从接触点TO到中心O的距离CO为1.5〜3.0 [mm]。 距离CO和距离CM满足关系CM /CO≥0.8，最小厚度X [mm]和最大外径D [mm]满足关系X /D≥0.2。

公开(公告)号：US20110193466A1

公开(公告)日：2011-08-11

申请号：US12997916

申请日：2010-06-02

申请人： Kazunori Ohta ,  Kouhei Gamada ,  Masayuki Suizu ,  Shuji Tamaru

发明人： Kazunori Ohta ,  Kouhei Gamada ,  Masayuki Suizu ,  Shuji Tamaru

IPC分类号： H01J5/16 ,  H01J17/18

CPC分类号： H01J61/20 ,  G03B21/2026 ,  G03B21/2086 ,  H01J61/86

摘要： The present invention aims to provide a small-sized high-efficiency high pressure discharge lamp that exhibits favorable light intensity distribution properties and is less likely to cause breakage of an arc tube. The present invention is a high pressure discharge lamp 101 comprising: an arc tube 110 that includes; a light-emitting part 111 having a substantially spherical shape and having mercury enclosed therein; and a pair of sealing parts 112 extending from opposite sides of the light-emitting part 111; and a pair of electrodes 130 that are arranged in the arc tube 110 such that an end of each electrode is sealed by a respective sealing part and the other ends of the electrodes oppose each other in the light-emitting part. The enclosed mercury has a density of 0.2 to 0.4 [mg/mm3] inclusive. A distance W from a contact point S to a center O is 3.0 to 5.0 [mm] inclusive. A distance CO from a contact point TO to the center O is 1.5 to 3.0 [mm] inclusive. The distance CO and a distance CM satisfy a relation CM/CO≧0.8, and a minimum thickness X [mm] and a maximum outer diameter D [mm] satisfy a relation X/D≧0.2.

摘要翻译： 本发明旨在提供一种显示出良好的光强分布特性并且不太可能导致电弧管断裂的小型高效高压放电灯。 本发明是一种高压放电灯101，其包括：电弧管110，其包括： 具有大致球形并且包围汞的发光部111; 以及从发光部111的相对侧延伸的一对密封部112; 以及设置在电弧管110中的一对电极130，使得每个电极的端部被相应的密封部分密封，并且电极的另一端在发光部分中彼此相对。 封闭的汞的密度为0.2〜0.4 [mg / mm3]，含密度。 从接触点S到中心O的距离W为3.0〜5.0 [mm]。 从接触点TO到中心O的距离CO为1.5〜3.0 [mm]。 距离CO和距离CM满足关系CM /CO≥0.8，最小厚度X [mm]和最大外径D [mm]满足关系X /D≥0.2。