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US 9,809,745 B2Granted
Phosphor and method for producing same
AssigneeDaiichi Kigenso Kagaku Kogyo Co., Ltd.
InventorsYasushi Nakajima, Masayuki Takai
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Abstract
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.
Claims5
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.
Dependencies are inferred from the claim text.