| 摘要 |
Metal halide lamp for color applications for high wall loading with a long service life of at least 1500 hours and with a color temperature of over 5000 K: fill comprising at least the following constituents: firing gas, mercury, halogen, as well as indium, thallium, tin, no rare earth element or Na; the fill furthermore contains, as lithium replacement, hafnium, zirconium and tantalum, individually or in combination, the wall loading of the discharge vessel being at least 50 W/cm2; specific output based on the arc length is 50 to 90 W/mm; in particular, the concentration of the metals is as follows: lithium replacements: 0.20-4.0 .mu.mol/ml; indium 0.3-3.0 .mu.mol/ml.
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