Patent ID: 11933466
Assignee: KOITO MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G | IPC F

Claim 7:
8. A vehicular lamp comprising:
a light source unit; and
a meta-lens in which a plurality of cells including a nanostructure smaller than a longest wavelength of light emitted from the light source unit are arranged, the meta-lens having a meta region through which the light emitted from the light source unit passes,
wherein the meta region changes a phase distribution of the light passing through the meta region;
wherein at least one resonance wavelength in the meta-lens is 800 nm or more and less than 2400 nm;
wherein a spectral distribution of the light emitted from the light source unit has a plurality of peaks, and
a plurality of the resonance wavelengths are different from respective wavelengths of a plurality of the peaks.