Flood projector with microlens array
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United States of America Patent
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Oct 22, 2024
Grant Date -
N/A
app pub date -
May 22, 2023
filing date -
May 22, 2023
priority date (Note) -
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Abstract
An optoelectronic apparatus includes a semiconductor substrate and an array of emitters disposed on the semiconductor substrate and configured to emit beams of optical radiation having respective chief rays. An optical diffuser is mounted over the semiconductor substrate and configured to diffuse the beams. Microlenses are disposed between the semiconductor substrate and the optical diffuser in respective alignment with the emitters and configured to steer the beams at different, respective angles, which are selected so that at least some of the chief rays cross one another before passing through the diffuser.
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