Method for setting a luminous flux emitted by a motor vehicle lighting device and a motor vehicle lighting device for emitting the set luminous flux

摘要

Method for setting a luminous flux emitted by a motor vehicle lighting device (1), the motor vehicle lighting device comprising at least one light source (2) for generating light and one optical device (3) assigned to the at least one light source (2), the at least one light source (2) A main emission axis (4) is assigned, the optical device (3) is arranged downstream of the at least one light source (2) in the direction of the main emission axis (4) and has at least one light coupling surface (5) which is illuminated with the light and through which essentially that all light is coupled into the optical device (3), the method comprising the following steps: a) determining an actual value of an illuminance with which the at least one light coupling surface (5) is illuminated by the at least one light source (2), b) comparing the Actual value with a predetermined target value, c) calculating a relative position z wiping the at least one light coupling surface (5) and the at least one light source (2), the actual value being set equal to the target value, and d) bringing the at least one light coupling surface (5) and the at least one light source (2) into the relative position, in which the actual value of the illuminance is equal to the target value, by means of a displacement of the at least one light coupling surface (5) and the at least one light source (2) relative to one another.