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Extrahigh color rendering white light-emitting diode lamps using oxynitride and nitride phosphors excited by blue light-emitting diode
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10.1063/1.2437090
/content/aip/journal/apl/90/5/10.1063/1.2437090
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2437090

Figures

Image of FIG. 1.
FIG. 1.

Excitation and emission spectra of phosphor. for emission and for excitation.

Image of FIG. 2.
FIG. 2.

Normalized emission spectra of a blue LED die and used four kinds of oxynitride/nitride phosphors.

Image of FIG. 3.
FIG. 3.

Chromaticity coordinates on CIE1931 diagram of the fabricated extrahigh CRI white LED lamps.

Image of FIG. 4.
FIG. 4.

Emission spectra of the fabricated extrahigh CRI white LED lamps, measured under a forward-bias current of at room temperature.

Tables

Generic image for table
Table I.

Optical properties of the fabricated extrahigh CRI white LED lamps using four kinds of oxynitride/nitride phosphors and a blue LED die.

Generic image for table
Table II.

Special CRI values from R9 to R15 of an incandescent light bulb color white LED lamp.

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/content/aip/journal/apl/90/5/10.1063/1.2437090
2007-02-01
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Extrahigh color rendering white light-emitting diode lamps using oxynitride and nitride phosphors excited by blue light-emitting diode
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/5/10.1063/1.2437090
10.1063/1.2437090
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