Global Tungsten & Powders Corp.

Chung Nin Chau

Judy A Belinski-Wolfe

Thomas A Wolfe

A white-emitting electroluminescent lamp is provided that uses a phosphor blend comprising a mixture of particles of an electroluminescent phosphor and particles of an europium-activated alkaline earth phosphor having the general formula SrCaS:Eu where 0&#x2266;x&#x2266;1, wherein the electroluminescent phosphor is selected from a blue-emitting electroluminescent phosphor, a blue-green-emitting electroluminescent phosphor, or a combination thereof. A preferred blend contains from about 5% to about 20% by weight of the europium-activated alkaline earth phosphor.

White-emitting phosphor blend and electroluminescent lamp containing same

A phosphor blend for an electroluminescent lamp is described that comprises a green-emitting electroluminescent phosphor and a red-emitting photoluminescent phosphor, the blend exhibiting an x color coordinate from 0.220 to 0.350 and a y color coordinate from 0.450 to 0.475 when stimulated by an electric field.

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Athens, PA, United States of America

Chung Nin Chau