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    • 6. 发明专利
    • High wattage ceramic metal halide lamp
    • 高级陶瓷金属卤素灯
    • JP2014063623A
    • 2014-04-10
    • JP2012207628
    • 2012-09-20
    • Iwasaki Electric Co Ltd岩崎電気株式会社
    • MAEHARA AKIYOSHIIIDA MASAFUMIOGAWARA AKIRA
    • H01J61/88
    • H01J61/366H01J61/827
    • PROBLEM TO BE SOLVED: To provide a high wattage ceramic metal halide lamp which maintains high luminous efficiency.SOLUTION: A high wattage ceramic metal halide lamp includes a luminous tube filled with at least mercury and a metal halide. The luminous tube has a thick tube, and a pair of thin tubes formed at both ends thereof. A current introducer is passed through the inside of each thin tube, and the ratio of the external diameter L4 of the current introducer to the internal diameter L6 of the thin tube falls within a range of 0.96≤L14/L6≤0.98. The space between the thin tube and the current introducer is divided into a sealed region and a non-sealed region, and the cavity GA in the non-sealed region is in a range of 5.0 mm≤GA≤17.5 mm.
    • 要解决的问题:提供一种保持高发光效率的高功率陶瓷金属卤化物灯。解决方案:高瓦数陶瓷金属卤化物灯包括至少填充有汞和金属卤化物的发光管。 发光管具有厚的管,在其两端形成有一对细管。 电流引导器通过每个细管的内部,并且电流导入器的外径L4与细管的内径L6的比率落在0.96≤L14/L6≤0.98的范围内。 细管与电流导入器之间的空间分为密封区域和非密封区域,非密封区域的空腔GA在5.0mm≤GA≤17.5mm的范围内。
    • 7. 发明专利
    • Metal halide lamp
    • 金属卤化物灯
    • JP2014053237A
    • 2014-03-20
    • JP2012198315
    • 2012-09-10
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • DOI MASAHIRO
    • H01J61/88H01J61/86
    • H01J61/30H01J61/125H01J61/33H01J61/827
    • PROBLEM TO BE SOLVED: To provide a metal halide lamp where a light flux starts quickly.SOLUTION: A metal halide lamp is provided with: a light emitting part 11 having a discharge space 111 inside; a light emitting tube 1 equipped with a pair of seal parts 12 formed on both ends of the light emitting part 11; metal halides 15 and rare gas enclosed in the discharge space 111; and a pair of electrodes 22 whose one end sides are sealed in the seal parts 12 and whose other end sides are disposed opposite in the discharge space 111. The metal halide lamp for a vehicle which does not include mercury is supplied with power 23 to 27 W between the pair of electrodes 22 during stable lighting. The discharge space 111 is provided with a cylindrical part 1111 and a pair of conical parts 1112 formed at both end parts thereof and, when thickness of a maximum outer diameter part of the light emitting part 11 is d1 and thickness between boundary points P1 and P2 is d2, a condition of 1.6 mm≤d1≤1.8 mm and 0.75≤d2/d1≤0.95 is satisfied.
    • 要解决的问题:提供一种光通量快速开始的金属卤化物灯。解决方案:金属卤化物灯具有:内部具有放电空间111的发光部分11; 配备有形成在发光部11的两端的一对密封部12的发光管1; 金属卤化物15和封闭在放电空间111中的稀有气体; 以及一对电极22,其一端密封在密封部分12中,并且其另一端侧在放电空间111中相对设置。用于不含汞的车辆用金属卤化物灯被供给电力23至27 W在稳定照明期间在一对电极22之间。 放电空间111设置有形成在其两端部的圆筒部1111和一对圆锥部1112,发光部11的最大外径部的厚度为d1,边界点P1,P2的厚度 为d2,满足1.6mm≤d1≤1.8mm,0.75≤d2/d1≤0.95的条件。