Color tuning of light-emitting devices
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United States of America Patent
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Oct 20, 2020
Grant Date -
Feb 4, 2016
app pub date -
Mar 14, 2014
filing date -
Mar 15, 2013
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Abstract
A variety of light-emitting devices for general illumination utilizing solid state light sources (e.g., light-emitting diodes) are disclosed. A light-emitting device can include a first light-emitting element (LEE) for emitting light having a first spectral composition, a second LEE for emitting light having a second spectral composition, and a scattering element surrounding at least in part the first and second LEEs to scatter light emitted from the first and second LEEs. The light-emitting device can also include electrical connections for connecting the first and second LEEs to a power source, where the electrical connections are arranged such that power to the first LEE is separately adjustable relative to power to the second LEE.
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