Patent Number: 6,528,943

Title: EL lamp with increased phosphor density

Abstract: Brightness is improved, without decreasing lamp life, by driving an EL lampat higher voltage and less current, by increasing phosphor loading, by lowloss dielectric, and by depositing the phosphor layer in two passes.

Inventors: Coghlan; William A. (Tempe, AZ), Hardinger; David A. (Chandler, AZ), Pires; David G. (Phoenix, AZ)


International Classification: C09K 11/02 (20060101); H05B 33/14 (20060101); H05B 33/10 (20060101); H05B 33/20 (20060101); H05B 33/00 (20060101); H05B 33/22 (20060101); H05B 33/12 (20060101); H05B 033/14 ()

Expiration Date: 03/02015