Patent ID: 9159546
Filing Date: 2015-10-13
Classification: H01J

Abstract:
1. A high-pressure gas discharge lamp unit including a burner with a discharge vessel, said burner comprising an electrical first contact lead and an electrical second contact lead, wherein the first contact lead extends from a bottom of the discharge vessel, and wherein the second contact lead extends from a top of the discharge vessel and is bent downward to be substantially parallel to the first contact lead; a lamp housing, where said burner protrudes from said housing and is fixed thereto, such that said first contact lead and said second contact lead extend into said housing at least one-half of a height of the housing; a lamp operating circuit arranged within said housing, electrically connected to said first contact lead and said second contact lead; a bottom plate, forming part of said housing, made out of a metal material to dissipate heat, where said bottom plate comprises an opening; and an insulating cap element inserted into the opening of said bottom plate, the cap element comprising a first wall structure that fully surrounds the first contact lead extending into the housing, the cap element further comprising a second wall structure that extends further than the first wall structure into the housing and further electrically insulates the second contact lead from the first contact lead.