LUMILEDS LLC (20250152053). PCLED LIGHT SOURCE AND SWIR SPECTROMETER FOR NONINVASIVE TISSUE GLUCOSE SELF-MONITORING
PCLED LIGHT SOURCE AND SWIR SPECTROMETER FOR NONINVASIVE TISSUE GLUCOSE SELF-MONITORING
Abstract: a glucose measurement device comprising a light emitting device 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, and a infrared light detector arranged to detect the intensity of short wavelength infrared light emitted by the light emitting device and reflected by a sample. the emission spectra provided by the light emitting device having a high temperature stability at infrared absorption minima and maxima wavelengths of glucose in tissue.
Inventors:
CPC Classification:
- A61B5/1455: using optical sensors, e.g. spectral photometrical oximeters
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