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dc.contributor.authorXing Yang
dc.contributor.authorJiachao Chen
dc.contributor.authorChufen Chai
dc.contributor.authorSongsheng Zheng
dc.contributor.authorChao Chen
dc.date.accessioned2020-10-10T02:56:06Z
dc.date.available2020-10-10T02:56:06Z
dc.date.issued2019-10-09
dc.identifier.citationOptik,2019,
dc.identifier.other10.1016/j.ijleo.2019.163238
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/175984
dc.description.abstractAbstract(#br)One near ultraviolet (NUV) chip coated with tricolor phosphors to fabricate the white light emitting diode (WLED) has been attractive widely. In this paper, the blue emitting LiCaPO 4 :Eu 2+ , together with the red CaSiAlN 3 : Eu 2+ and the green (Sr, Ba)SiO 4 : Eu 2+ phosphor, is selected as the tricolor components for the NUV excited WLED preparation. The as-prepared WLED exhibits good luminescent performances with the color rendering index (Ra) of 88.6, the correlation color temperature of 3351 K, the lumen efficiency of 77.05 lm/W, and the color coordinates located at (0.4399, 0.4389). It is worth mentioning that the blue-light of the warm WLED succeeds to keep away from the hazard zone centered at 450 nm. Furthermore, a full spectrum warm WLED with the color rendering index (CRI) of 95.8 is fabricated by adding the fourth component as the Sr 5 (PO 4 ) 3 Cl:Eu 2+ phosphor. The prepared full spectrum WLED achieves the performance index of museum lighting.
dc.language.isozh_CN
dc.subjectNear ultraviolet excited
dc.subjectWhite light emitting diode
dc.subjectFull spectrum
dc.subjectColor rendering index
dc.titleNear ultraviolet excited white light emitting diode (WLED) based on the blue LiCaPO 4 :Eu 2+ phosphor
dc.typeArticle


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