FLUORESCENT SUBSTANCE, DISPLAY DEVICE AND LIGHT EMISSION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a green fluorescent substance having higher emission brightness under excitation by ultraviolet rays (wave length: <=300 nm) in a vacuum ultraviolet to near ultraviolet region or electronic beams. SOLUTION: The green fluorescent substance comprising manganese-activated silicic-acid zinc contains at least one element selected from a group consisting of calcium and strontium, and magnesium.