Ce-doped yttrium aluminum garnet and devices incorporating same

Details Ce-doped yttrium aluminum garnet and devices incorporating same Ce-doped yttrium aluminum garnet and devices incorporating same

H - Electricity

01

J

31/126, 117/22

H01J 61/44 (2006.01) C01F 17/00 (2006.01)

Patent

CA 1144743

-18- ABSTRACT Ce-doped Yttrium Aluminum Garnet phosphors are improved regarding brightness, maintenance, thermal stability and blue-to-yellow conversion over prior art phosphors by refiring in a strongly reducing atmosphere to reduce quadrivalent Ce substantially to trivalent Ce. Such phosphors are useful in fluorescent lamps and particularly useful as color correctors in high pressure mercury vapor discharge lamps. D-22,279

354252

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