Phosphor and production method thereof phosphor-including member, and light emitting device or projector
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United States of America Patent
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Dec 13, 2022
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app pub date -
Feb 2, 2017
filing date -
Feb 2, 2016
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Abstract
Provided is a particulate phosphor including a single crystal having a composition represented by a compositional formula (Y1-x-y-zLuxGdyCez)3+aAl5−aO12 (0≤x≤0.9994, 0≤y≤0.0669, 0.001≤z≤0.004, −0.016≤a≤0.315) and a particle diameter (D50) of not less than 20 μm. Also provided is a light-emitting device including a phosphor-including member that includes the phosphor and a sealing member including a transparent inorganic material sealing the phosphor or a binder including an inorganic material binding particles of the phosphor, and a light-emitting element that emits a blue light for exciting the phosphor.
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