Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same
A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of Sr4-a-zAaEuzD12O22 and Sr4-a-zAaEuzD14O25; wherein A is at least an alkaline-earth metal other than strontium; D is an element selected from the group consisting of Group-13 metals, group-3 metals, and rare-earth metals; 0<a<4; 0.001<z<0.3; and 4-a-z>0. The phosphor can be used in light sources and displays.
General Electric Company
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H01L H01J C09K
additional inventional inventional
Alok Mani Gopi Chandran Shankar Madras Anant Achyut Mukunda Srinivas William Winder Holly Ann Venkatesan
Srivastava Ramachandran Venugopal Setlur Adyam Beers Comanzo Manivannan