Circuit arrangement for a light source
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United States of America Patent
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-
Feb 15, 2022
Grant Date -
Jul 29, 2021
app pub date -
Jan 21, 2021
filing date -
Jan 27, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A circuit arrangement for an LED luminaire comprises a plurality of LED strings, an anode terminal line, a cathode terminal line, a plurality of first switching elements, connected in series into the anode terminal line and subdivided into individual line sections, and a plurality of second switching elements, connected in series into the cathode terminal line and subdivided into individual line sections. Each of the LED strings may be connected to the anode terminal line via a first switching element and/or the second switching elements. Each of the first switching elements may be configured to feed an operating current to an LED string, to electrically connect line sections if the current flowing through the LED string exceeds a predetermined value, and to electrically isolate line sections if the current flowing through the LED string falls below a predetermined value.
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