Driving circuit and illumination device
First Claim
1. A driving circuit for driving a light emitting diode module, the driving circuit comprising:
- a control module;
a driving module electrically connected to the control module and the light emitting diode module for providing a plurality of driving signals to drive the light emitting diode module; and
a detecting module electrically connected to the light emitting diode module and the control module, the detecting module detecting a voltage or a current of the light emitting diode module and transmitting a detecting signal corresponding to a voltage change of the voltage or a current change of the current of the light emitting diode module to the control module, wherein the voltage or the current of the light emitting diode module is distorted;
wherein the control module adjusts a rising time interval or a falling time interval of a waveform of at least one driving signal of the driving signals for driving the light emitting diode module to illuminate uniformly at a driving time interval of the at least one driving signal of the plurality of driving signals according to the voltage change of the voltage or the current change of the current of the light emitting diode module, when the light emitting diode module illuminates uniformly, a waveform of an adjusted voltage or an adjusted current of the light emitting diode module is a square wave.
1 Assignment
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Accused Products
Abstract
A driving circuit for driving a light emitting diode module includes: a control module; a driving module electrically connected to the control module and the light emitting diode module for providing a plurality of driving signals to drive the light emitting diode module; and a detecting module electrically connected to the light emitting diode and the control module, the detecting module detecting a voltage or a current of the light emitting diode module and transmitting a detecting signal corresponding to the voltage or the current of the light emitting diode module to the control module. The control module adjusts a waveform of at least one driving signal of the driving signals for driving the light emitting diode module to illuminate uniformly at a driving time interval of the at least one driving signal of the driving signals.
6 Citations
7 Claims
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1. A driving circuit for driving a light emitting diode module, the driving circuit comprising:
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a control module; a driving module electrically connected to the control module and the light emitting diode module for providing a plurality of driving signals to drive the light emitting diode module; and a detecting module electrically connected to the light emitting diode module and the control module, the detecting module detecting a voltage or a current of the light emitting diode module and transmitting a detecting signal corresponding to a voltage change of the voltage or a current change of the current of the light emitting diode module to the control module, wherein the voltage or the current of the light emitting diode module is distorted; wherein the control module adjusts a rising time interval or a falling time interval of a waveform of at least one driving signal of the driving signals for driving the light emitting diode module to illuminate uniformly at a driving time interval of the at least one driving signal of the plurality of driving signals according to the voltage change of the voltage or the current change of the current of the light emitting diode module, when the light emitting diode module illuminates uniformly, a waveform of an adjusted voltage or an adjusted current of the light emitting diode module is a square wave. - View Dependent Claims (2, 3, 4, 5)
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6. An illumination device, comprising:
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a light emitting diode module; a control module; a driving module electrically connected to the control module and the light emitting diode module for providing a plurality of driving signals to drive the light emitting diode module; and a detecting module electrically connected to the light emitting diode module and the control module, the detecting module detecting a voltage or a current of the light emitting diode module and transmitting a detecting signal corresponding to a voltage change of the voltage or a current change of the current of the light emitting diode module to the control module; wherein the control module adjusts a rising time interval or a falling time interval of a waveform of at least one driving signal of the driving signals for driving the light emitting diode module to illuminate uniformly at a plurality of driving time interval of the at least one driving signal of the plurality of driving signals according to the voltage change of the voltage or the current change of the current of the light emitting diode module, when the light emitting diode module illuminates uniformly, a waveform of an adjusted voltage or an adjusted current of the light emitting diode module is a square wave. - View Dependent Claims (7)
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Specification