PHOSPHOR AND METHOD FOR PRODUCING SAME

The object of the present invention is to provide an oxide-based phosphor comprising elements other than rare earth elements as light-emitting elements, with low material costs, while achieving high luminous efficacy. The means for achieving the object is a phosphor comprising the following (1) to (3) : (1) zirconium oxide, (2) titanium , and (3) at least one element selected from the group consisting of phosphorus, selenium, boron, and silicon.