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US 2020/0326277 A1Published application
Novel nir broadband emitting phosphors for infrared spectroscopy
AssigneeLumileds LLC
InventorPeter Josef SCHMIDT
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Abstract
A luminescent material is disclosed with emission in the near infrared wavelength range, the luminescent material including Sc1-x-yAyRE:Crx, wherein MO=P3O9, BP3O12, SiP3O12; A=Lu, In, Yb, Tm, Y, Ga, Al, where 0≤x≤0.75, 0≤y≤0.9. A wavelength converting structure including the luminescent phosphor is also disclosed.
Claims20
A luminescent material comprising Sc1-x-yAyMO:Crx, wherein MO=P3O9, (BP3O12)0.5, or (SiP5O19)0.34;
- A=Lu, In, Yb, Tm, Y, Ga, Al or a mixture thereof, where 0<x≤0.75, 0≤y≤1.
A wavelength converting structure comprising an NIR phosphor material, the NIR phosphor material including at least one of Sc1-x-yAyMO:Crx, wherein MO=BO3, P3O9, (BP3O12)0.5, or (SiP5O19)0.34;
- A=Lu, In, Yb, Tm, Y, Ga, Al or a mixture thereof, where 0<x≤0.75, 0≤y≤1, and wherein when MO=BO3, 0<y.
Dependencies are inferred from the claim text.