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Floodlight for a motor vehicle

A technology for searchlights and motor vehicles, which is applied in the field of searchlights and can solve problems such as inability to produce lighting effects

Active Publication Date: 2018-08-31
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far no further light effects have been possible with the aid of such searchlights.

Method used

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  • Floodlight for a motor vehicle
  • Floodlight for a motor vehicle
  • Floodlight for a motor vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] figure 1 A perforated projection display known per se from DE 10 2009 024 894 A1 is shown. The projection display is used in a modified form in the floodlight according to the invention. The projection display 10 includes a lighting device 1 which can be designed, for example, as a laser diode or as an LED or as an OLED. The light from the light-emitting device is incident on a field lens array in the form of a plurality of condenser lenses 2 mounted on a substrate 6, such as a glass substrate, here adjacent to each condenser lens 2 with a A section 3 of an object structure is formed there, which has a light-transmitting region and a light-impermeable region. The opaque areas of the object structure are formed by a chrome mask applied on the substrate. A substrate with a chrome mask represents an embodiment of a planar imager within the meaning of the claims. Projection displays according to embodiments of searchlights according to the invention described further be...

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Abstract

The invention relates to a floodlight for a motor vehicle, in particular a headlight, comprising a multi-aperture projection display (10), which has a lighting means (1) and a planar image generator (3, 3', 6) and an array of projection lenses (4), wherein each projection lens (4) is associated with a segment (3, 3', 6) of the planar image generator (3, 6) such that, when the array is illuminatedby the lighting means (1), at least some of the segments (3, 3') are projected in front of the floodlight by the associated projection lenses (4) in order to produce at least one light distribution. The floodlight according to the invention is characterized in that predetermined segments (3') from the segments (3, 3') of the planar image generator (3, 3', 6) in one or more partial areas of the planar image generator (3, 3', 6) are designed and arranged in relation to each other in such a way that, when the lighting means (1) is switched off, a symbol arrangement (7) perceptible to an observeris presented on the planar image generator (3, 3', 6) at a viewing angle of the observer in a predetermined viewing angle range toward the floodlight, wherein the predetermined viewing angle range preferably comprises the viewing direction perpendicular toward the planar image generator (3, 3', 6).

Description

technical field [0001] The invention relates to a searchlight, in particular a headlight, for a motor vehicle. Background technique [0002] Many different principles are known from the prior art for how to generate a defined light distribution by means of motor vehicle headlights. In document WO 2015 / 058227 A1, a micro projection light module is used in a motor vehicle headlight, wherein a light distribution is generated in front of the motor vehicle by means of a plurality of micro light fixtures. In this case, a shutter is provided between the input optics and the exit optics, which each comprise a plurality of microlenses, by means of which shutters, for example, a dipped beam distribution can be generated. [0003] Although conventional motor vehicle searchlights are based on pico-projection technology, the light distribution can be generated with a high degree of precision. However, until now no further light effects could be produced with the aid of such searchlight...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60Q1/08F21S41/00
CPCF21S41/143F21S41/155F21S41/43F21S41/645F21S41/255F21S41/153F21S41/285F21Y2115/10F21W2102/13B60Q1/06F21W2121/00
Inventor M·西勒T·盖伯T·豪斯曼
Owner BAYERISCHE MOTOREN WERKE AG
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