Efficient lighting circuit for LED assemblies
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
May 23, 2016
filing date -
May 28, 2015
priority date (Note) -
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Abstract
A lighting circuit and a method of operating a lighting circuit are described. A rectifier 14 has an input for an alternating voltage V. At least a first and a second LED assembly 20, 22 are connected to be supplied with electrical power from the rectifier 14. The first LED assembly 20 is electrically connected to a first output 26 of the rectifier 14 and electrically connected in series with an input 36 of a switching converter circuit. The second LED assembly 22 is electrically connected to an output 48 of the switching converter circuit 44. A control assembly 30 is connected to a tap 46 in the series connection for controlling operation of the first LED assembly 20.
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