The invention relates to a lighting device for a motor vehicle, in particular a headlamp, comprising a light source (1), from which light (2) exits during operation of the lighting device, and a digital micromirror device (3) having a plurality of mirror elements (4), which can each be transferred from at least one first position into at least one second position, wherein mirror elements (4) in the first position reflect light (2) exiting the light source (1) during operation of the lighting device in such a way that the light at least partially exits the lighting device; mirror elements (4) in the second position reflect light (2) exiting the light source (1) in such a way that the light does not exit the lighting device; the lighting device also comprises sensor devices (6) for sensing alight intensity; the sensor devices (6) are arranged in the lighting device in such a way that at least a portion of the light (2'') reflected in the second position of the mirror elements (4) hits the sensor devices (6) such that the sensor devices can sense the light intensity of said portion.
本发明涉及一种用于机动车的照明装置、尤其是前照灯,所述照明装置包括在所述照明装置的运行中光(2)从其中射出的光源(1)以及具有多个镜元件(4)的数字微镜装置(3),所述镜元件分别从至少一个第一位置可转换到至少一个第二位置中,其中,在所述照明装置的运行中,处于第一位置中的镜元件(4)将从光源(1)发出的光(2)以如下方式反射,使得所述光至少部分地从所述照明装置中射出,其中,处于第二位置中的镜元件(4)将从光源(1)发出的光(2)以如下方式反射,使得所述光不从所述照明装置中射出,并且其中,所述照明装置还包括用于检测光强的传感器机构(6),其中,所述传感器机构(6)以如下方式设置在照明装置中,使得在镜元件(4)的第二位置中被反射的光(2")的至少一部分射到所述传感器机构(6)上,从而所述传感器机构能够检测这部分的光强。
LIGHTING DEVICE FOR A MOTOR VEHICLE, IN PARTICULAR HEADLAMP
用于机动车的照明装置、尤其是前照灯
2020-07-17
Patent
Elektronische Ressource
Chinesisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES |
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