| abstract |
There is provided a red phosphor having above-average thermal and chemical stability and excellent luminous efficiency, the red phosphor having a compound expressed in the following formula: A z (Sr, M) 2 (Si, Al) O 4 -x N y: R (0 <x <3, y = 2x / 3, 0.001 <z <0.1), wherein a is at least one element which is selected from a group consisting of lithium (Li), potassium (K) and sodium (Na), M is at least one element selected from a group consisting of barium (Ba), magnesium (Mg) and calcium (Ca), and R is at least one element consisting of is selected from a group consisting of lanthanides and a transition metal element. |