Patent ID: 8436525
Filing Date: 2013-05-07
Classification: C04B,C09K,H01J,H01L

Abstract:
1. A lighting instrument, comprising: a light-emitting source for emitting light at a wavelength of 330 to 500 nm; and a constituent phosphor, wherein the constituent phosphor includes a compound including a metallic element M, where M is at least one kind of element selected from the group consisting of Mn, Ce, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb; Al; O; N; and an element A, where A is Si and/or B, and wherein the compound is an AlN-based crystal having a wurtzite AlN crystal structure or a crystal structure selected from the group consisting of 2Hδ, 27R, 21R, 12H, 15R, and 8H.