US 12,325,815 B2
Phosphor compositions and short wavelength infrared emitting pcLEDs emitting in the 1600-2200 nm wavelength range
Peter Josef Schmidt, Aachen (DE); and Thomas Diederich, Aachen (DE)
Assigned to Lumileds LLC, San Jose, CA (US)
Filed by Lumileds LLC, San Jose, CA (US)
Filed on Jun. 20, 2022, as Appl. No. 17/844,171.
Claims priority of provisional application 63/235,523, filed on Aug. 20, 2021.
Prior Publication US 2023/0064945 A1, Mar. 2, 2023
Int. Cl. H10H 20/82 (2025.01); C09K 11/77 (2006.01); H10H 20/851 (2025.01)
CPC C09K 11/7774 (2013.01) [H10H 20/8512 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A wavelength converting structure comprising an SWIR phosphor having emission wavelengths in the range of 1600-2200 nm, the SWIR phosphor comprising a structurally disordered garnet material, a sensitizer ion, and at least one rare earth emitter ion.