作者: Li Heng , Xu Chaohua
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摘要: The invention belongs to the technical fields of light emission and illumination, relates application technology photonic crystals. emitting diode with crystals is characterized by comprising a substrate layer, wherein layer comprises blue LED chip; chip provided crystal layer; mono-dispersion granule periodical arrays containing fluorescent material; are tightly adhered band gap matched spectrum material. According invention, method process simple; preparation cost low; white source excellent performance obtained.