ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,889, issued on Jan. 13, was assigned to CreeLED Inc. (Durham, N.C.).
"Light-emitting diode packages with varying current pulse width modulation and related methods" was invented by Christopher P. Hussell (Raleigh, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Light-emitting diode (LED) packages and, more particularly, LED packages with varying current pulse width modulation (PWM) signals and related methods are disclosed. Varying current PWM is provided by having multiple current sources at different current levels for each LED chip in an LED package. An output PWM signal for each LED chip is routed to selectively turn on and off different com...