A meta projector comprising: a light source array configured to emit light along an optical path, the light source array including: a first light-emitting array including a plurality of first light-emitting elements configured to emit first light (L1) of a first polarization state (P1); a second light-emitting array including a plurality of second light-emitting elements configured to emit a second light (L2) having a second polarization state (P2), the second polarization state different from the first polarization state; and an optical layer (MS) at least partially aligned with the optical path and configured to differently modulate the first light and the second light in relation to each other; characterized in that the optical layer is a meta-structure layer (MS) including a plurality of nanostructures (NS) having a sub-wavelength shape dimension that is smaller than the wavelength of light emitted from the light source array; in that the plurality of nanostructures are configured to form different transmission phase distributions according to the polarization of light emitted from the light source array, based on a particular shape distribution of the plurality of nanostructures; and in that the shape distribution of the plurality of nanostructures is such that the nanostructures (NS) form structured light (SL) using the first light (L1) emitted from the first light-emitting array and form uniform light (UL) using the second light (L2) emitted from the second light-emitting array . a light source array configured to emit light along an optical path, the light source array including: a first light-emitting array including a plurality of first light-emitting elements configured to emit first light (L1) of a first polarization state (P1); a second light-emitting array including a plurality of second light-emitting elements configured to emit a second light (L2) having a second polarization state (P2), the second polarization state different from the first polarization state; and an optical layer (MS) at least partially aligned with the optical path and configured to differently modulate the first light and the second light in relation to each other; a first light-emitting array including a plurality of first light-emitting elements configured to emit first light (L1) of a first polarization state (P1); a second light-emitting array including a plurality of second light-emitting elements configured to emit a second light (L2) having a second polarization state (P2), the second polarization state different from the first polarization state; and an optical layer (MS) at least partially aligned with the optical path and configured to differently modulate the first light and the second light in relation to each other; characterized in that the optical layer is a meta-structure layer (MS) including a plurality of nanostructures (NS) having a sub-wavelength shape dimension that is smaller than the wavelength of light emitted from the light source array; in that the plurality of nanostructures are configured to form different transmission phase distributions according to the polarization of light emitted from the light source array, based on a particular shape distribution of the plurality of nanostructures; and in that the shape distribution of the plurality of nanostructures is such that the nanostructures (NS) form structured light (SL) using the first light (L1) emitted from the first light-emitting array and form uniform light (UL) using the second light (L2) emitted from the second light-emitting array . <EOS>