Metal halide high-pressure discharge lamp

Details Metal halide high-pressure discharge lamp Metal halide high-pressure discharge lamp

H - Electricity

01

J

H01J 61/12 (2006.01)

Patent

CA 2549623

In the metal halide high-pressure discharge lamp for stage, film and television lighting systems and for projection technology and effect lighting, the discharge vessel contains indium and/or tin and/or thallium as metals for the metal halides. Optimum results for dimmability, arc instability and color rendering are achieved if the fill additionally includes 0.12 to 3.8 µmol of vanadium and if appropriate 0.05 to 1.0 µmol of zirconium per ml of vessel volume. These metals achieve improved color rendering of greater than 85 and improved red rendering.

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