Controllers and light modules with light emitting diodes
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United States of America Patent
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Apr 28, 2015
Grant Date -
Dec 19, 2013
app pub date -
Oct 2, 2012
filing date -
Jun 14, 2012
priority date (Note) -
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Abstract
Disclosed are a controller and a relevant LED lighting module. A disclosed controller comprises a high-voltage power terminal and a low-voltage power terminal, a major switch circuit, an upward-connection terminal and a downward-connection terminal, and a management circuit. The major switch circuit is coupled between the high-voltage and low-voltage power terminals, and has a driving terminal for coupling to at least one LED. The management circuit is coupled to control the major switch circuit, and configured to communicate with an upstream controller via the upward-connection terminal and to communicate with a downstream controller via the downward-connection terminal. The upward-connection terminal is coupled to the downward-connection terminal of an upstream controller. The downward-connection terminal is coupled to the upward-connection terminal of a downstream controller. The management circuit is capable of operating in one of operation conditions.
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