Electric discharge lamp having ceramic luminous tube
Electrode materials for electric lamps and methods of...
Electrodeless discharge lamp with rare earth metal halides and h
Electrodeless high intensity discharge lamp having a phosphorus
Electrodeless lamp with external conductive coating
Electrodeless lamp with improved efficacy
Emission device for an ultra-high pressure mercury lamp
Excimer lamp with high pressure fill
Excimer lamp with high pressure fill