Light emitting diode light engine
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Oct 14, 2015
filing date -
Nov 24, 2014
priority date (Note) -
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Abstract
A light emitting diode (LED) light engine includes: an LED; an LED driver for driving the LED; a bottom printed circuit board (PCB), the LED and the LED driver being securely mounted to the bottom PCB; and a top PCB secured to the bottom PCB, the top PCB including first and second cavities for receiving the LED and the LED driver therein. The LED light engine further includes a layer potted over the LED and formed of material containing a phosphor, or a plate that is disposed over the LED and secured to the top PCB and includes a layer formed of material containing a phosphor. The phosphor is excited by the light emitted from the LEDs to the intensity distribution over the wavelength of the light emitted by the LED.
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