US Patent No. 10,172,211


Patent No. 10,172,211
Issue Date January 01, 2019
Title Led Lighting System
Inventorship Theo Gerrit Zijlman, Eindhoven (NL)
Berend Jan Willem Ter Weeme, Eindhoven (NL)
Liang Shi, Eindhoven (NL)
Aart Jan Vroegop, Eindhoven (NL)
Lambertus Adrianus Marinus De Jong, Eindhoven (NL)
Jian Jiang, Eindhoven (NL)

Claim of US Patent No. 10,172,211

1. An LED lighting system comprising a wireless communication arrangement for wireless transfer of signals (D10_11, D11_12, D4_12, D5_12) between devices of the LED lighting system; the LED lighting system comprising:at least one LED lamp connectable to a mains power supply, wherein the LED lamp includes a driver arrangement, wherein the driver arrangement includes,
a control unit for controlling the LED lamp according to a received signal (D10_11) received from the wireless communication arrangement of the LED lighting system;
a phase-cut detector realized to detect a phase-cut input (Vcut) to a driver of the driver arrangement; and
a protection circuit realized to prevent operation of the LED lamp with the phase-cut input (Vcut) as long as a phase-cut angle of the phase-cut input (Vcut) exceeds a critical threshold by preventing an exposure of the LED lamp to the phase-cut input, and
a remote-controlled dimmer device, and wherein the protection circuit is realized to issue a phase-cut angle correction signal (D5_12) over the wireless communication arrangement to the remote-controlled dimmer device.