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Boron-containing red light-emitting phosphors and light sources incorporating the same

United States Patent

March 28, 2006
View the Complete Patent at the US Patent & Trademark Office
A boron-containing phosphor comprises a material having a formula of AD.sub.1-xEu.sub.xB.sub.9O.sub.16, wherein A is an element selected from the group consisting of Ba, Sr, Ca, Mg, and combinations thereof; D is at least an element selected from the group consisting of rare-earth metals other than europium; and x is in the range from about 0.005 to about 0.5. The phosphor is used in a blend with other phosphors in a light source for generating visible light with a high color rendering index.
Srivastava; Alok Mani (Niskayuna, NY), Comanzo; Holly Ann (Niskayuna, NY), Manivannan; Venkatesan (Clifton Park, NY)
General Electric Company (Niskayuna, NY)
10/ 448,151
May 29, 2003
This invention was first conceived or reduced to practice in the performance of work under contract DE-FC26-99FT40632 awarded by the United States Department of Energy. The United States of America may have certain rights to this invention.