Patent ID: 7528537
Filing Date: 2009-05-05
Classification: C09K,H01J

Abstract:
1. A phosphor, comprising fluorescent substances I and II, wherein the fluorescent substance I contains silicate and Mn as an activator and the fluorescent substance II contains a compound represented by the formula (1) or a compound represented by the formula (2) and Tb as the activator: wherein, in formula (1), M M a is not less than 0 and not more than 0.6, b is not less than 0 and not more than 1, c is not less than 0 and not more than 0.5, d is not less than 0 and not more than 0.5, b+c is not more than 1, and c+d is more than 0 and not more than 0.5, wherein, in formula (2), M m is not less than 2.5 and not more than 4.5 and n is not less than 3.5 and not more than 5.5.