CPC F21V 5/007 (2013.01) [F21V 5/004 (2013.01); F21V 33/0052 (2013.01); G06V 10/141 (2022.01); G06V 40/166 (2022.01); F21Y 2113/20 (2016.08); F21Y 2115/10 (2016.08); F21Y 2115/30 (2016.08)] | 17 Claims |
17. An illumination apparatus for producing structured light and flood illumination, the illumination apparatus comprising:
a microlens array including microlenses arranged at a pitch P in at least a first direction;
a first two-dimensional rectangular array of first light sources, the first light sources including VCSELs; and
a second two-dimensional rectangular array of second light sources, the second light sources including LEDs;
wherein the first light sources are configured to emit light at a wavelength L,
wherein the first light sources are located at a distance D from the microlens array,
wherein
P2=2LD/N,
and N is an integer with N≥1;
wherein the light sources of the first two-dimensional rectangular array produce structured light and the light sources of the second two-dimensional rectangular array produce a continuous area of light.
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