Patent ID: 11879774
Assignee: SIGNIFY HOLDING B.V.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The indicator according to claim 5, wherein (i) the first light reflecting element is (ia) configured to reflect at least part of light illuminating the first sensing area having one or more wavelengths selected from the wavelength range of 440-530 nm and (ib) configured to absorb at least part of light illuminating the first sensing area having one or more wavelengths in the visible wavelength range outside the wavelength range of 440-530 nm, (ii) the second light reflecting element is (iia) configured to reflect at least part of light illuminating the second sensing area having one or more wavelengths selected from the wavelength range of 440-530 nm and (iib) configured to absorb part of light illuminating the second sensing area having one or more wavelengths in the visible wavelength range outside the wavelength range of 440-530 nm.