LED CONTROLLING DEVICE
First Claim
1. A light emitting diode (LED) controlling device comprising:
- a driving circuit unit converting input power into an output voltage and providing the output voltage to an LED module;
a detecting circuit unit positioned between the driving circuit unit and the LED module and detecting the output voltage and an output current of the LED module; and
a controlling circuit unit converting an external signal into a reference signal and comparing the reference signal with at least one of the output voltage and the output current to control an output of the LED module,wherein the external signal is one of a first signal provided by a sensor module, a second signal provided by a communications module, and a third signal provided by an output control module.
2 Assignments
0 Petitions
Accused Products
Abstract
A light emitting diode (LED) controlling device may include: a driving circuit unit converting input power into an output voltage and providing the output voltage to an LED module; a detecting circuit unit positioned between the driving circuit unit and the LED module and detecting the output voltage and an output current of the LED module; and a controlling circuit unit converting an external signal into a reference signal and comparing the reference signal with at least one of the output voltage and the output current to control an output of the LED module. The external signal may be one of a first signal provided by a sensor module, a second signal provided by a communications module, and a third signal provided by an output control module.
7 Citations
18 Claims
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1. A light emitting diode (LED) controlling device comprising:
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a driving circuit unit converting input power into an output voltage and providing the output voltage to an LED module; a detecting circuit unit positioned between the driving circuit unit and the LED module and detecting the output voltage and an output current of the LED module; and a controlling circuit unit converting an external signal into a reference signal and comparing the reference signal with at least one of the output voltage and the output current to control an output of the LED module, wherein the external signal is one of a first signal provided by a sensor module, a second signal provided by a communications module, and a third signal provided by an output control module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An LED control device comprising:
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a driving circuit unit including a transformer, generating an output voltage from input power, and providing the output voltage to an LED module; a detecting circuit unit positioned on a secondary side of the transformer and detecting the output voltage and an output current of the LED module; a reference signal generating unit receiving an external signal and generating a reference signal; a comparing circuit unit comparing the reference signal with at least one of the output voltage and the output current; and a light amount controlling unit controlling an output of the LED module depending on a comparison result of the comparing circuit unit. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification