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US 2011/0210670 A1Published application
LIGHTING SYSTEM WITH A PLURALITY OF LEDs
AssigneeKoninklijke Philips Electronics N.V.
InventorsGeorg Sauerlander, Harald Willwohl
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AssigneeKoninklijke Philips Electronics N.V.
InventorsGeorg Sauerlander, Harald Willwohl
Estimating the term…
A lighting system (1) comprises a power unit (20) for producing data-modulated current, and a light unit (10) receiving this current at its input and output terminals (11, 12). The light unit comprises two or more light modules (100A; 100B; 100C) connected in series. Each light module comprises: a LED string (110) of one or more LEDs (111, 112, 113) connected between module input and output terminals (101, 102), each LED having an associated controllable shunt switch (121, 122, 123) connected in parallel thereto; a module controller (190) for controlling the shunt switches, the module controller (190) having a input terminals (191, 192) connected to said module input and output terminals, respectively. The module controller demodulates the data and controls the switches on the basis of an action command contained therein, if an address information contained therein matches the unique controller address.
Light module, comprising:
Light unit, having an input terminal and an output terminal, the light unit comprising a light module implemented in accordance to any of the previous claims, wherein the module input terminal is connected to the unit input terminal and wherein the module output terminal is connected to the unit output terminal.
Light unit, having an input terminal and an output terminal and a plurality of LEDs connected in series between said input terminal and output terminal, each LED having an associated controllable shunt switch connected in parallel thereto;
(canceled)
Dependencies are inferred from the claim text.