Berthold Hahn received his PhD in physics from Regensburg University at 1998.
He joined OSRAM in 1998 and was heading several epi and product development projects for InGaN high power LEDs. Since 2006 he has been heading the InGaN LED chip and epi development.
In 2008, he took over responsibility also for the AlInGaP and AlGaAs material system.
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