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US 2014/0232260 A1Published application
Discharge lamp
AssigneeKoninklijke Philips N.V.
InventorBarbara Roswitha Muelders
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AssigneeKoninklijke Philips N.V.
InventorBarbara Roswitha Muelders
Estimating the term…
The invention describes a discharge lamp (1) comprising a quartz glass envelope (10), a discharge chamber (11) and a pair of electrodes (2), wherein an outer end portion (2A) of an electrode (2) overlaps a conductive foil (3) embedded in a pinch (12) of the quartz glass envelope (10), and wherein the electrode (2) comprises an inner structured zone (ZB) in an inner portion (2B) of the electrode (2) between the conductive foil (3) and the discharge chamber (11), and an outer structured zone (ZA) over the outer end portion (2A) of the electrode (2), and wherein the outer structured zone (ZA) and the inner structured zone (ZB) are different from each other. The invention also describes a method of manufacturing an electrode (2) for use in a discharge lamp (1). The invention further describes an electrode (2) for use in a discharge lamp (1).
A discharge lamp comprising a quartz glass envelope, a discharge chamber and a pair of electrodes, wherein an outer end portion of an electrode overlaps a conductive foil embedded in a pinch of the quartz glass envelope, and wherein the electrode comprises an inner structured zone in an inner portion of the electrode between the conductive foil and the discharge chamber, and an outer structured zone over the outer end portion of the electrode, and wherein the outer structured zone and the inner structured zone are different from each other.
An electrode suitable for use in a discharge lamp, which electrode comprises
A method of manufacturing an electrode suitable for use in a discharge Lamp, which method comprises the steps of
Dependencies are inferred from the claim text.