| 简介 |
PURPOSE : A red nitride phosphor is provided to have high optical efficiency which is suitable for blue excitation light and UV excitation light, to obtain a while light source having excellent thermal stability and chemical stability, and to be used for manufacturing a white light emitting diode.CONSTITUTION : A red nitride phosphor is marked by chemical formula 1 of Ba_(2-x)Re_xAl_ySi_(5-y)N_8. The red nitride phosphor is activated by rare earth elements and has an excitation wavelength of 300-550 nm and an emission wavelength of 520-700 nm. In chemical formula 1, conditions of 0 COPYRIGHT KIPO 2010 |
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