Lamp comprises a hollow body containing a light source and having a casing provided with a dichroitic coating

摘要

Lamp comprises a hollow body (1) containing a light source and having a casing provided with a dichroitic coating (2). Preferred Features: The hollow body is cylindrical or cylindrical in areas. The hollow body is made from glass. The dichroitic coating is applied on the outer side of the hollow body and/or on the outer side of the hollow body casing. The inner side of the hollow body is etched.