Mercury-free discharge compositions and lamps incorporating gallium

摘要

A mercury-free discharge composition may be provided. The ionizable mercury-free discharge composition may include gallium and a halogen. The composition may be capable of emitting radiation if excited, and the composition may produce a total equilibrium operating pressure less than about 100,000 Pascals if excited. A mercury-free discharge lamp (20) may be provided. The mercury-free discharge lamp may include an envelope (22); an ionizable discharge composition including gallium contained by the envelope (22); and a phosphor composition contained by the envelope (22) and in communication with the ionizable discharge composition.