Information

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Berlin,20.Juli2011
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2
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Alightingtimeof5,25hourswasachievedwhenthebatterywasdischargedcontinuouslywiththe
mainpowerLED.
6.Forevaluatingthemechanicalrobustnessadrop‐testwasperformed.Fortheseteststhelampsfall
downfromaheightof1.5metersonconcreteinsuchawaythateach
ofthesixsidesoneafterthe
otherhittheground.Alllampspassed.Onlysomescratchesoccurredontheplastichousing.
7.Testandevaluationofthelampsexhibitedamaturetechnology.Themicrocontrollerbased
electroniccircuitandthecomponentsareofhighqualityandreliability.Themost
advanced
productofthesolidstatelightingindustryisused.ThesepowerLEDsfeatureinnovativeSMD
(SurfaceMountedDevice)packaging‐technology.TheyaremountedonaluminiumIMS‐substrates
(InsulatedMetallicSubstrate).TheIMSsubstratesfacilitateelectricalinterconnectionofbothLEDs
andtheheatremovalatthesametime.Thus,sufficientcooling
andlongtermstabilityofthe
lampsisassured.
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Dr.RobertHahn
FraunhoferIZM
HeadofPortablePowerSupplyGroup
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