US Patent Issued to LED Smart on Oct. 7 for "Plant growth system" (Canadian Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,489, issued on Oct. 7, was assigned to LED Smart Inc. (Surrey, Canada).

"Plant growth system" was invented by Xinxin Shan (Surrey, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A networked LED lighting system for illuminating plants uses LEDs of different colors each at a respective pre-selected power level, for example corresponding to a power level at which maximum efficiency is achieved, and controlling color ratios and total daily intensity by turning LEDs off or on as needed. To improve longevity of the LEDs, the turning off and on of the LEDs can occur at low frequencies, be implemented in the LED drivers as opposed to switching off the...