Light source with photoluminescence emitter
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United States of America Patent
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Jan 2, 2024
Grant Date -
Jan 7, 2021
app pub date -
Jul 2, 2020
filing date -
Jul 4, 2019
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Abstract
A light source is provided that includes a laser operable to emit laser light at a wavelength in a range from 460 nanometers to 470 nanometers and a converter assembly arranged so as to absorb the laser light emitted by the laser and to emit photoluminescent light produced by the laser light and having a longer wavelength than the laser light. The converter assembly has a converter element with a ceramic doped with Eu3+ such that under irradiation of the laser light the converter assembly emits photoluminescent light in the red spectral range.
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