Apparatus of a progressive indicator, especially for a car headlight or lamp

An apparatus of a progressive direction indicator, especially for a car headlight or lamp, comprising a main connector (1) as an input electric interface, an LDM power supply module (2) for power supply of LED light sources (7), an LED board (4) where the LED light sources (7) are mounted, and an interface (3) interconnecting the LDM power supply module (2) with the LED board (4), wherein the apparatus further comprises a current controller (9) for setting the current of the LED light sources (7), wherein the LDM power supply module (2) comprises a DC/DC converter (5) generating output voltage V out, which is the voltage source for the LED board (4), and wherein the LED board (4) comprises discrete switching elements (8) for switching of individual LED light sources (7) depending on the input voltage, so that the LED light sources (7) are adapted to be sequentially switched depending on the output voltage V out.