Green-emitting, garnet-based phosphors in general and backlighting applications

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United States of America Patent

PATENT NO 9458378
APP PUB NO 20150376497A1
SERIAL NO

14703726

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Abstract

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Disclosed herein are green-emitting, garnet-based phosphors having the formula (Lu1-a-b-cYaTbbAc)3 (Al1-dBd)5(O1-eCe)12: Ce,Eu, where A is selected from the group consisting of Mg, Sr, Ca, and Ba; B is selected from the group consisting of Ga and In; C is selected from the group consisting of F, Cl, and Br; and 0≦a≦1; 0≦b≦1; 03Al5(O,F,Cl)12: Eu2+ has an emission at 540 nm. The FWHM of the emission peak lies between 80 nm and 150 nm. The present green garnet phosphors may be combined with a red-emitting, nitride-based phosphor such as CaAlSiN3 to produce white light.

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Patent Owner(s)

  • INTEMATIX CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Shifan Dublin, US 37 1253
Li, Yi-Qun Danville, US 235 5928
Tao, Dejie Fremont, US 39 722
Wu, Yusong Shi Yan, CN 5 37

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