Manganese activated zinc silicate phosphor

Details Manganese activated zinc silicate phosphor Manganese activated zinc silicate phosphor

1989-09-11

1990-08-21

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 6144

Patent

active

049509489

ABSTRACT:
A new and improved manganese activated zinc silicate phosphor is described. The phosphor has cations consisting essentially of zinc, silicon, manganese, and tungsten. The phosphor has an absolute reflectance less than or equal to 13.5% at 275 nm, an absolute reflectance equal to or greater than 80% at 350 nm, and a surface area from about 0.3 m.sup.2 /gm to about 0.4 m.sup.2 gm.

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