Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Henry Frazier Pruett0
Date of Patent
May 13, 2008
0Patent Application Number
110690850
Date Filed
February 28, 2005
0Patent Primary Examiner
Patent abstract
A driver circuit is designed employing a current sensing circuit adapted to sense driving current being supplied to one or more light emitting devices. The driver circuit additionally employs a pulse width modulation circuit adapted to modulate a pulse width of a control signal based at least in part on an output of the current sensing circuit, the control signal being employed to adjust the driving current being supplied to the one or more light emitting devices. The driver circuit additionally employs a buck converter adapted to switch the driving current being supplied to the one or more light emitting devices.
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