Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Florence Taitel0
Reinhard Schaefer0
Robert Nichols0
Date of Patent
February 13, 2007
Patent Application Number
10839259
Date Filed
May 6, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A lamp includes a transparent envelope having a first region defining an enclosed interior volume and a closure region adjacent to the first region, a light source in the interior volume and electrically coupled through the closure region, an interference filter coating on the exterior of the first region, and a light absorbing coating that is 7–40 nanometers thick on the exterior of the first region, except in a ring-shaped portion adjacent to the closure region that has a thickness of 50–200 nanometers.
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