Koninklijke Philips Corporation N.V.

Rama Venkat

Ajay Tripathi

Ningliang Mi

Srinivasa M Baddela

Naveen K Tumula

Anand Upadhyay

Joseph C Jansen

A method and system of flicker suppression for an LED. The method includes providing a power supplyfor supplying current to the LED. The power supplyincludes a flicker suppressorand is responsive to a dim command signal. The method further includes receiving the dim command signal at the power supply, switching the current on and limiting the current to maintain LED light output below 110 percent of the LED light output corresponding to the dim command signal.

Startup flicker suppression in a dimmable LED power supply

A power supply for an insulation detector having a heating element and a temperature sensitive switch thermally coupled to the heating element, the power supply including a power circuitoperable to provide heating element powerto the heating element; a short protectoroperably connected to the power circuitto monitor current flow through the heating element; and an insulation detector sensoroperably connected to the power circuitto monitor presence of the heating element

Insulation detection power supply and electronic ballast

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Aurora, IL, United States of America

Rama Venkat