Lamp with improved lamp behaviour during initiation of the lamp
AssigneeKoninklijke Philips Electronic, N.V.
InventorGerardus Marinus Josephus Luijks
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Abstract
The invention relates to a Lamp, whereby the lamp comprises electrodes for which in the initial state during run-up of the lamp under 3.2 A run-up current the average increase of electrode tip temperature for the first 25 ms after lighting of the lamp is ≦140 K/ms and ≧3 K/ms.
Claims10
Lamp, preferably a Hg-free Lamp, whereby the lamp comprises electrodes (30) with a cylindrical section (50) and a head section (60) which are adjusted such that in the initial state during run-up of the lamp under 3.2 A run-up current the average increase of electrode tip temperature for the first 25 ms after lighting of the lamp is ≦140 K/ms and ≧3 K/ms.
Dependencies are inferred from the claim text.