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    • 2. 发明申请
    • DISCHARGE LAMP WITH HIGH COLOR TEMPERATURE
    • 具有高颜色温度的放电灯
    • US20140042889A1
    • 2014-02-13
    • US14113772
    • 2012-04-19
    • Michael HaackeBernd Prokesch
    • Michael HaackeBernd Prokesch
    • H01J61/33
    • H01J61/33H01J61/34H01J61/827
    • A discharge lamp comprises a discharge vessel 20 defining a sealed inner discharge space 22 with two electrodes 24. A filling consists of a rare gas and a metal halide composition and is free of mercury. The discharge vessel 20 comprises outer grooves 36 where the electrodes 24 are embedded, arranged at a groove distance Ra between them. The discharge vessel 20 further comprises an inner diameter ID. In operation of the lamp, an arc discharge is formed between the electrodes and the metal halide composition is partly evaporated. After operation of the lamp, the metal halide composition forms a film on the inner wall of the discharge vessel 20. This film has a surface area AS measured in mm2. The metal halide composition is provided in such an amount within the discharge space 22, that a matching quotient Q, calculated as Q=Ra×ID/AS has a value of 2 or more, such that a high colour temperature is achieved.
    • 放电灯包括放电容器20,其限定具有两个电极24的密封的内部放电空间22.填充物由稀有气体和金属卤化物组合物组成并且不含汞。 放电容器20包括电极24嵌入的外槽36,它们之间以凹槽距离Ra布置。 放电容器20还包括内径ID。 在灯的操作中,在电极之间形成电弧放电,并且部分蒸发金属卤化物组合物。 在灯操作之后,金属卤化物组合物在放电容器20的内壁上形成膜。该膜具有以mm2测量的表面积AS。 金属卤化物组合物以这样的量设置在放电空间22内,以Q = Ra×ID / AS计算的匹配商Q具有2以上的值,使得实现高的色温。
    • 3. 发明授权
    • Discharge lamp with high color temperature
    • 高色温放电灯
    • US09368339B2
    • 2016-06-14
    • US14113772
    • 2012-04-19
    • Michael HaackeBernd Prokesch
    • Michael HaackeBernd Prokesch
    • H01J61/33H01J61/34H01J61/82
    • H01J61/33H01J61/34H01J61/827
    • A discharge lamp comprises a discharge vessel 20 defining a sealed inner discharge space 22 with two electrodes 24. A filling consists of a rare gas and a metal halide composition and is free of mercury. The discharge vessel 20 comprises outer grooves 36 where the electrodes 24 are embedded, arranged at a groove distance Ra between them. The discharge vessel 20 further comprises an inner diameter ID. In operation of the lamp, an arc discharge is formed between the electrodes and the metal halide composition is partly evaporated. After operation of the lamp, the metal halide composition forms a film on the inner wall of the discharge vessel 20. This film has a surface area AS measured in mm2. The metal halide composition is provided in such an amount within the discharge space 22, that a matching quotient Q, calculated as Q=Ra×ID/AS has a value of 2 or more, such that a high color temperature is achieved.
    • 放电灯包括放电容器20,其限定具有两个电极24的密封的内部放电空间22.填充物由稀有气体和金属卤化物组合物组成并且不含汞。 放电容器20包括电极24嵌入的外槽36,它们之间以凹槽距离Ra布置。 放电容器20还包括内径ID。 在灯的操作中,在电极之间形成电弧放电,并且部分蒸发金属卤化物组合物。 在灯操作之后,金属卤化物组合物在放电容器20的内壁上形成膜。该膜具有以mm2测量的表面积AS。 金属卤化物组合物以这样的量设置在放电空间22内,以Q = Ra×ID / AS计算的匹配商Q具有2以上的值,使得实现高的色温。