US Patent No. 9,936,546

METHODS AND APPARATUSES FOR OPERATING GROUPS OF HIGH-POWER LEDS


Patent No. 9,936,546
Issue Date April 03, 2018
Title Methods And Apparatuses For Operating Groups Of High-power Leds
Inventorship Machiel Slot, Richmond Hill (CA)
Antonius Jacobus Maria Cremer, Oisterwijk (NL)
Assignee EldoLAB Holding B.V., Son En Breugel (NL)

Claim of US Patent No. 9,936,546

1. A method of driving, by means of at least two power supplies, a number of high-power light-emitting diodes (LEDs), said number of LEDs being divided into two or more groups, each group being separately energizable by a corresponding one of the power supplies, said method comprising:a) energizing or de-energizing a supply current from the corresponding one of the power supplies into a first one of the groups;
b) waiting for a predetermined wait time period; and
c) repeating step a) and b) for a second one of the groups.