An electromagnetic radiation emitting assembly is disclosed and which includes a supporting substrate having opposite first and second surfaces and having an area formed therein which allows electromagnetic radiation to pass therethrough; a reflector positioned adjacent to the second surface of the substrate...http://www.google.es/patents/US6076948?utm_source=gb-gplus-sharePatente US6076948 - Electromagnetic radiation emitting or receiving assembly
Electromagnetic radiation emitting or receiving assembly
