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    • 2. 发明授权
    • Metal halide lamp and lighting apparatus using the same
    • 金属卤化物灯及使用其的照明装置
    • US07965042B2
    • 2011-06-21
    • US12277843
    • 2008-11-25
    • Shunsuke KakisakaMasahito Yoshida
    • Shunsuke KakisakaMasahito Yoshida
    • H01J17/16
    • H01J61/34
    • A metal halide lamp according to the present invention includes: an outer tube 2; an inner tube 3 that is provided in the outer tube 2, has a sealing portion 10 in at least one end portion, and is made of quartz glass; an inner tube 3 provided in the outer tube 2; and an arc tube 4 provided in the inner tube 3, wherein assuming that the outer tube 2 has a maximum outer diameter A (mm), the inner tube 3 has a maximum outer diameter B (mm), and the metal halide lamp 1 consumes P (W) of power, the following relationships are satisfied: 0.06P+15.8≦A≦25, 0.05P+9.0≦B, and 1.14≦A/B, where P satisfies 20 W≦P≦130 W.
    • 根据本发明的金属卤化物灯包括:外管2; 设置在外管2中的内管3在至少一个端部具有密封部10,并且由石英玻璃制成; 设置在外管2中的内管3; 以及设置在内管3中的电弧管4,其中,假设外管2具有最大外径A(mm),内管3具有最大外径B(mm),并且金属卤化物灯1消耗 P(W),满足以下关系:0.06P + 15.8≦̸ A≦̸ 25,0.05P + 9.0≦̸ B和1.14≦̸ A / B,其中P满足20W≦̸ P≦̸ 130W