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US07498730B2 Light emitting device with photonic crystal 失效
具有光子晶体的发光器件

Light emitting device with photonic crystal
摘要:
A light-emitting device comprises a light source in the form of an incandescent filament, a substantial part of which is integrated in a host element having at least one portion structured according to nanometric dimensions. The nano-structured portion is in the form of a photonic crystal or of a Bragg grating for the purpose of obtaining an amplified or increased emission of radiation in the region of the visible.
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