| http://www.w3.org/ns/prov#value | - Contacts 31 and 32 may be formed from metals such as gold, nickel, aluminum, titanium, chromium, platinum, palladium, and mixtures or alloys thereof. [0010] Loss mechanisms responsible for the low light extraction efficiency include absorption within the semiconductor light emitter, reflection loss when light passes from one type of material to another material that has a different index of refrac
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