Motor vehicle headlight element

1. Motor vehicle headlight element, having

at least one light-emitting diode comprising a plurality of light-emitting diode chips,

a temperature sensor thermally coupled to the at least one light-emitting diode,

a common light-emitting diode optics element that follows the light-emitting diode chips of the at least one light-emitting diode; and

at least one control apparatus, which is suitable for processing a signal which is dependent on at least one measurement variable and for applying a current corresponding to the signal to the at least one light-emitting diode,

wherein the temperature sensor and the at least one light-emitting diode are arranged on a common mount, and wherein the signal is dependent on the temperature sensor.

2. Motor vehicle headlight element according to claim 1 , in which a pi filter is arranged on the mount.

3. Motor vehicle headlight element according to claim 1 , in which at least one varistor is connected in parallel with the at least one light-emitting diode.

4. Motor vehicle headlight element according to claim 1 , in which the light-emitting diode optics have a radiation inlet opening which is at most twice as large as a total radiation output area of the light-emitting diode chips which are associated with the optical element.

5. Motor vehicle headlight element according to claim 1 , in which the at least one light-emitting diode comprises at least one thin-film light-emitting diode chip.

6. Motor vehicle headlight element according to claim 1 , in which the motor vehicle headlight element comprises at least one light-emitting diode which is suitable for the production of white light.

7. Motor vehicle headlight element according to claim 1 , in which the control apparatus is suitable for determination of the current through the at least one light-emitting diode as a function of a voltage drop across a resistor.

8. Motor vehicle headlight element according to claim 7 , in which the resistor is arranged on the mount.

9. Motor vehicle headlight element according to claim 1 , in which a controllable voltage supply is arranged on the mount.

10. Motor vehicle headlight element according to claim 9 , in which the control apparatus is suitable for setting a duty cycle of the voltage supply.

11. Motor vehicle headlight element according to claim 1 , in which the motor vehicle headlight element comprises at least one light-emitting diode which is suitable for production of electromagnetic radiation in the non-visible spectral range.

12. Motor vehicle headlight element according to claim 11 , in which the at least one light-emitting diode is suitable for production of radiation in the infrared spectral range.

13. Motor vehicle headlight element according to claim 1 , in which a pulse-width modulation circuit is arranged on the mount.

14. Motor vehicle headlight element according to claim 13 , in which the pulse-width modulation circuit is suitable for dimming the at least one light-emitting diode.

15. Motor vehicle headlight element according to claim 13 , in which the control apparatus is suitable for setting a duty cycle of the pulse-width modulation circuit.

16. Motor vehicle headlight element according to claim 1 , in which at least one connecting pin is arranged on the mount.

17. Motor vehicle headlight element according to claim 16 , in which the at least one connecting pin is connected in parallel with a varistor.

18. Motor vehicle headlight element according to claim 16 , in which an external electrical signal is injected into the control apparatus by means of the at least one connecting pin.

19. Motor vehicle headlight element according to claim 1 , in which the light-emitting diode optics are suitable for reducing a divergence of electromagnetic radiation emitted from the light-emitting diode chip.

20. Motor vehicle headlight element according to claim 19 , in which the light-emitting diode optics comprise a non-imaging optical concentrator.

21. Motor vehicle headlight element according to claim 20 , in which the light-emitting diode optics are formed at least partially according to the type of at least one of the following optical elements: CPC, CEC, CHC, truncated pyramid, truncated cone.

22. Motor vehicle headlight element according to claim 1 , in which the control apparatus is suitable for application of a current to the at least one light-emitting diode as a function of the signal from a photodetector.

23. Motor vehicle headlight element according to claim 22 , in which the photodetector is suitable for detection of the electromagnetic radiation which is essentially emitted from the at least one light-emitting diode.

24. Motor vehicle headlight element according to claim 23 , in which the photodetector is arranged on the mount.

25. Motor vehicle headlight element according to claim 22 , in which the photodetector is suitable for detecting essentially an ambient brightness.

26. Motor vehicle headlight element according to claim 25 , in which the photodetector is arranged outside the headlight.