PRE-CHARGE DRIVER FOR LIGHT EMITTING DEVICES (LEDs)

A light emitting diode (LED) system, comprising:

• an LED panel including at least a first channel having a plurality of LED pixels and a channel output, and
• an LED driver including:
• a current driver having an input for receiving a reference voltage and a plurality of transistors configured providing a charging current at a driver output node for driving said channel output, and
• a pre-charge circuit including:
• a voltage selector having a first select input, a second select input, a control input for receiving a pre-charge voltage select signal that is based on a ON/OFF state for a next sub-period (next state) that is after a current sub-period, and a voltage selector output for switchably outputting a higher voltage level (V_H) when said next state is an OFF-state and outputting a lower voltage level (V_L) when said next state is an ON-state, and
• an enable circuit between a high side power supply node and said driver output node having an enable input for receiving an enable signal that is active during a break time of said current sub-period for driving said channel output of said first channel when enabled with a pre-charge current to said V_H or a relatively higher voltage level when said next state is an OFF-state and to said V_L or a relatively lower voltage level when said next state is an ON-state.