LED -- Barium-yttrium-orthosilicate fluorescent material for white LED

摘要

Phosphor is disclosed. The phosphor has a trigonal structure of the parent, and includes barium-yttrium-ososilicate represented by the composition Ba _9-x M _x Y ₂ Si ₆ O ₂₄ , wherein M is Bi, Eu, Ce , Mn, Tb, Na is one or more selected from the group consisting of, 0.0015 ≤ x ≤ 1.85.