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Similarly as in other branches of lighting, LEDs caused a revolution in the automotive lighting industry. LEDs have been established as a standard light source for exterior signal lighting in last the decade and the current development shows that a similar trend might continue for the main functions of head lamps. Roadmaps of all the LED producers show us more promising light output for a lower price every year. However, the LED price itself is just a part of the final price of the additional subassembly which provides proper conditions for the right functionality of the LED. Driving electronics (covering nominal state as well as a wide range of critical states), PCBs, connectors and wiring significantly bump up the price of the whole subassembly. What is more, as TIER2 suppliers are responsible for the LED subassembly, there is just a limited space for the TIER1 price impact and margins.