Experimental and theoretical luminous efficacies of phosphors used in combination with blue‐emitting LEDs for lighting and backlighting | Zendy

Withnall Robert | Zendy; Silver Jack | Zendy; Fern George R. | Zendy; Ireland Terry G. | Zendy; Lipman Anthony L. | Zendy; Patel Birju | Zendy

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Experimental and theoretical luminous efficacies of phosphors used in combination with blue‐emitting LEDs for lighting and backlighting

Author(s) -

Withnall Robert,

Silver Jack,

Fern George R.,

Ireland Terry G.,

Lipman Anthony L.,

Patel Birju

Publication year - 2008

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.2841871

Subject(s) - backlight , phosphor , luminous efficacy , light emitting diode , luminous flux , optoelectronics , optics , luminous intensity , materials science , led lamp , white light , blue light , physics , liquid crystal display , light source , nanotechnology , layer (electronics)

— Phosphors that absorb blue light and emit in the green, yellow, and red have been synthesized, and their experimental and theoretical luminous efficacies are compared. It is proposed that a blue‐emitting LED in combination with red‐emitting Sr 2 Si 5 N 8 : Eu 2+ and green‐emitting SrGa 2 S 4 : Eu 2+ phosphors is used as an energy‐efficient white‐light source for display backlighting applications.

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