| 简介 |
PROBLEM TO BE SOLVED : To provide a phosphor emitting green-based lights efficiently excited with UV lights or visible lights, and a light emitter using the same.
SOLUTION : The phosphor is expressed by the general formula : (Lu1-a-bRaMb)3(Al1-cGac)5O12 (wherein R expresses at least one species of rare earth elements including Ce as an essential element; M expresses at least one species selected from Sc, Y, La and Gd; 0.0001≤ a≤ 0.5; 0≤ b ≤0.5; 0.0001≤ a+b<1; 0≤ c≤ 0.8), and has high emission intensity excited by 300-550 nm UV lights or visible lights. The light emitter excellent in emission characteristics is provided by using the phosphor to an emitter such as an emission diode, a high pressure mercury lamp and the like. |
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