High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

H - Electricity

01

J

313/10

H01J 61/56 (2006.01) H01J 61/52 (2006.01)

Patent

CA 1239436

12 ABSTRACT The invention relates to a high-pressure disk charge lamp comprising a discharge vessel enclosed by an outer envelope provided with a neck which is adjoined by a sleeve of a lamp cap. The lamp cap accommodates an electrical circuit provided with a semiconductor switch- ing element which controls the discharge current in the operating condition of the lamp. The semiconductor switching element is provided with a cooling member which is preferably secured to the sleeve. Consequently, it is possible to use the lamp according to the invention with- out further expedients in combination with a stabiliza- tion ballast not adapted to the lamp.

475385

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