Electric lamp and manufacture method therefor

摘要

A high pressure gas discharge lamp includes a ceramic discharge vessel that has a container wall enclosing a discharge space having a filling. First and second electrodes are mutually oppositely arranged in the discharge space and are mounted on first and second feedthroughs, respectively, which extend in a gas-tightly sealed manner through the container wall. The high pressure gas discharge lamp further includes a UV-enhancer that has a wall portion and a chamber. The chamber is enclosed by the wall portion of the UV-enhancer and an end part of the container wall.

主权项

1. A high pressure gas discharge lamp comprising:
a ceramic discharge vessel comprising a container wall enclosing a discharge space having a filling; a first electrode and a second electrode, mutually oppositely arranged in the discharge space and defining a longitudinal axis of the discharge vessel; a first feedthrough and a second feedthrough, both extending in a gas-tightly sealed manner through the container wall; wherein the first and second electrodes are mounted on the first and second feedthroughs, respectively; and a UV-enhancer comprising a wall portion and a chamber, said chamber being enclosed by the wall portion of the UV-enhancer and an end part of the container wall of the discharge vessel, wherein the wall portion of the UV enhancer overlaps the end part of the container wall such that an inner surface of the wall portion of the UV enhancer fits over an outer surface of the end of the container wall.