Patent ID: 11965634
Assignee: ZKW GROUP GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  G | IPC F  G

Claim 0:
1. An illumination device (1) for a motor vehicle headlight, comprising:
an illuminant for generating and emitting light, wherein the illuminant is designed to generate a light image in a light image plane;
an optical element (2) for forming light distribution from the light image generated with the illuminant, wherein the optical element (2) is arranged downstream of the light image plane in a direction of light propagation and has a focal point and an optical axis (2a), wherein the focal point lies between the optical element (2) and the illuminant and the optical axis (2a) runs between the optical element (2) and the illuminant, wherein the optical element (2) is designed to project the light image in the form of light distribution into a traffic area; and
a holding device (3), which is designed to hold a position of the optical element (2) in relation to the illuminant, in such a way that in a switched-off state of the illuminant, the focal point of the optical element (2) is outside the light image plane,
wherein the holding device (3) has at least one compensating element (4), which connects the optical element (2) to the holding device (3), wherein the at least one compensating element (4) has a first end section (4a) and a second end section (4b), wherein the first end section (4a) is connected to the optical element (2) and the second end section (4b) is connected to the holding device (3), wherein the at least one compensating element (4) is made of a material that is designed in such a way that the at least one compensating element (4) has a temperature-dependent longitudinal extension in a direction (X), wherein the direction (X) runs parallel to the optical axis (2a) of the optical element (2), wherein the at least one compensating element (4) is connected to the optical element (2) in such a way as to pivot and/or move the optical element (2) as a function of a temperature relative to the light image plane in such a way that, in a switched-on state of the illuminant, in which there is a higher temperature compared to the switched-off state, the focal point of the optical element (2) lies within the light image plane.