Discharge lamp and lighting equipment

摘要

A discharge lamp comprises a high pressure arc tube for high pressure and a low pressure arc tube for low pressure which is electrically connected in parallel to said high pressure arc tube in an outer tube. A lighting equipment comprises a high pressure arc tube for high pressure discharge and a low pressure arc tube for low pressure which is electrically connected in parallel to said high pressure arc tube; and a high frequency lighting starter having 1 KHz to 100 KHz for starting the discharge of said high pressure arc tube.