LIGHT EMITTING DIODE DRIVER WITH DIFFERENTIAL VOLTAGE SUPPLY Russian patent published in 2018 - IPC H05B33/08 

FIELD: electricity.

SUBSTANCE: invention relates to driving circuits for LED light sources. Result is achieved in a driver for driving one or a plurality of LEDs (D1, D2) comprises at least one driving unit (201, 202) adapted to be supplied with a differential voltage, between one first bias voltage (VB1) and one second bias voltage (VB2), the differential voltage being adapted to be equal or greater than the largest expected variations (ΔVF) of the forward voltage of said one or plurality of LEDs (D1, D2). Another aspect of the invention relates to an integrated package comprising at least one LED and associated driving unit (201, 202). Another aspect of the invention relates to a light module comprising plurality of LEDs (D1, D2) and associated driving units (201, 202).

EFFECT: technical result is the minimisation of losses due to variations in the forward voltage of the LED.

15 cl, 5 dwg