Philips Lighting Holding B.v.

Jian Jiang

Liang Shi

Berend Jan Willem Ter Weeme

Theo Gerrit Zijlman

Lambertus Adrianus Marinus De Jong

Aart Jan Vroegop

The invention describes an LED lighting system () comprising a wireless communication arrangement () for wireless transfer of signals (D, D, D, D) between devices () of the LED lighting system (); at least one LED lamp () connectable to a mains power supply (), which LED lamp () comprises a driver arrangement () with a control unit () for controlling the LED lamp () according to a received signal (D); a phase-cut detector (A,B,C) realized to detect a phase-cut input (V) to the LED lamp (); and a protection circuit () realized to prevent operation of the LED lamp () with the phase-cut input (V) if the phase-cut angle of the phase-cut input (V) exceeds a critical threshold, wherein said protection circuit () is adapted to prevent an exposure of the LED lamp to the phase-cut input. The invention further describes an LED lamp () comprising a driver arrangement (); and a method of controlling an LED lighting system ().

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Eindhoven, Netherlands

Jian Jiang