High brightness illumination devices using wavelength conversion materials
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United States of America Patent
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Oct 6, 2015
Grant Date -
Apr 25, 2013
app pub date -
Jun 28, 2011
filing date -
Jun 28, 2010
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Abstract
High lumen output and brightness illumination modules using an excitation light source and wavelength conversion part with multi-channel heat dissipation are disclosed. The exciting light source is a light emitting diode or a laser diode emitting in the UV and/or blue region. The luminescent material in the wavelength conversion part absorbs the excitation light and emit longer wavelength light. The enhancement approaches for brightness and polarization is disclosed.
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