Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bennie Josephus De Maagt0
Engelbertus Cornelius Petrus Maria Vossen0
Claudio Boffito0
Ingrid Jozef Maria Snijkers-Hendrickx0
Esther De Beer0
Alessio Corazza0
Date of Patent
August 16, 2011
0Patent Application Number
117218180
Date Filed
December 16, 2005
0Patent Primary Examiner
Patent abstract
A low-pressure mercury vapor discharge lamp has a light-transmitting discharge vessel enclosing, in a gastight manner, a discharge space provided with a filling of mercury and a rare gas. The discharge vessel includes electrode(s) for maintaining a discharge in the discharge space. The discharge vessel further includes a dispenser for controllably dispensing hydrogen into the discharge space during lamp operation. The hydrogen gas pressure during lamp operation is in the range between 10−3 Pa and 10 Pa.
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