| 20100052513 | SILICATE BASE LUMINESCENT MATERIALS HAVING MULTIPLE EMISSION PEAKS, PROCESSES FOR PREPARING THE SAME AND LIGHT EMITTING DEVICES USING THE SAME - A silicate luminescent material excitable by an excitation light source having emissions in UV to blue light region, a process for producing the same, and a white light emitting device. The luminescent material has an emission spectrum with at least two peaks in a range of from 370 to 760 nm, and has a general chemical composition formula of aAO.bA′O.cSiO | 03-04-2010 |
