Motor Vehicle Headlight System

Abstract

A motor vehicle headlamp system with a first and a second motor vehicle headlamp, wherein each motor vehicle headlamp comprises a first and a second light module, which first light module comprises light pixels, and is arranged to generate a first light distribution (100), and wherein the second light module comprises light pixels, and is arranged to generate a second light distribution (200), wherein each light distribution (100, 200) is formed from several pixel light segments (101, 201), wherein a pixel light segment (101, 201) corresponds to a light pixel and is able to be produced through this, wherein each light distribution (100, 200) is arranged to generate a first pixel light segment group (110, 210) with a first column width (110a, 210a), to generate a second pixel light segment group (120, 220) with a second column width (120a, 220a), which corresponds to ½ of the first column width (110a, 210a), to generate a third pixel light segment group (130, 230) with a third column width (130a, 230a),
wherein in the first light distribution (100), in vertical direction, the first pixel light segment group (110) is arranged above the second pixel light segment group (120) and the third pixel light segment group (130) is arranged beneath, and wherein the second light distribution (200) is arranged mirrored vertically with respect to the first light distribution (100),
wherein the first motor vehicle headlamp is arranged to overlap the first and the second light distribution (100, 200) by a vertical offset (301) of half of the third column height (130b, 230b) with formation of a first headlamp light distribution (310),
wherein the second motor vehicle headlamp is arranged to overlap the first and the second light distribution (100, 200) with formation of a second headlamp light distribution (320),
wherein the second headlamp light distribution (320) is mirrored horizontally with respect to the first headlamp light distribution (310),
wherein the first headlamp light distribution (310) and the second headlamp light distribution (320) are arranged overlapping one another by a horizontal offset (401) of ½ of the first column width (110a, 210a) with formation of a motor vehicle headlamp system light distribution (400).

Claims

1. A motor vehicle headlamp system comprising: a first and a second motor vehicle headlamp, wherein each motor vehicle headlamp comprises a first and a second light module, which first light module comprises light pixels in a matrix-like arrangement in lines and columns, and is arranged to generate a first light distribution (100) before the motor vehicle headlamp system by radiating of light of individual light pixels, and wherein the second light module comprises light pixels in a matrix-like arrangement in lines and columns, and is arranged, by radiating of light of individual pixels, to generate a second light distribution (200) before the motor vehicle headlamp system, wherein each light distribution (100, 200) is formed from several pixel light segments (101, 201), wherein a pixel light segment (101, 201) corresponds to a light pixel and is able to be produced through this, wherein each light distribution (100, 200) is arranged to: generate a first pixel light segment group (110, 210), which is arranged in a matrix-like manner in lines and columns with a first column width (110a, 210a) and a first line height (110b, 210b), generate a second pixel light segment group (120, 220), which is arranged in a matrix-like manner in lines and columns with a second column width (120a, 220a) and a second line height (120b, 220b), wherein the second column width (120a, 220a) corresponds to half the first column width (110a, 210a), and generate a third pixel light segment group (130, 230), which is arranged in a matrix-like manner in lines and columns with a third column width (130a, 230a) and a third line height (130b, 230b), which third column width corresponds to the first column width (110a, 210a), wherein in the first light distribution (100) of the first light module, the pixel light segment groups (110, 120, 130) are arranged over one another in vertical direction, wherein in vertical direction above the second pixel light segment group (120) the first pixel light segment group (110) is arranged and in vertical direction beneath the second pixel light segment group (120) the third pixel light segment group (130) is arranged, wherein the second light distribution (200) of the second light module is arranged mirrored vertically with respect to the first light distribution (100), so that the third pixel light segment group (230) is arranged in vertical direction above the second pixel light segment group (220) and the first pixel light segment group (210) is arranged in vertical direction beneath the second pixel light segment group (220), wherein the first and the second light module of the first motor vehicle headlamp are arranged and disposed with respect to one another, that the first and the second light distribution (100, 200) of the first motor vehicle headlamp are arranged at least partially overlapping one another by a vertical offset (301) of half the second line height (120b, 220b) with formation of a first headlamp light distribution (310), wherein the first and the second light module of the second motor vehicle headlamp are arranged and disposed with respect to one another, that the first and the second light distribution (100, 200) of the second motor vehicle headlamp at least partially overlap one another with formation of a second headlamp light distribution (320), wherein the second headlamp light distribution (320) is mirrored horizontally with respect to the first headlamp light distribution (310), and wherein the first and the second motor vehicle headlamp are arranged and disposed with respect to one another, that the first headlamp light distribution (310) of the first motor vehicle headlamp and the second headlamp light distribution (320) of the second motor vehicle headlamp overlap one another by a horizontal offset (401) of by half the first column width (110a, 210a) with formation of a motor vehicle headlamp system light distribution (400).

2. The motor vehicle headlamp system according to claim 1, wherein the first, second and third line heights are different from one another.

3. The motor vehicle headlamp system according to claim 1, wherein the first line height (110b, 210b) is greater than the second and the third line height (120b, 220b, 130b, 230b), and wherein the third line height (130b, 230b) is greater than the second line height (120b, 220b).

4. The motor vehicle headlamp system according to claim 1, wherein the light pixels of the first and second light modules are formed from LEDs.

5. The motor vehicle headlamp system according to claim 1, wherein the number of light pixels of a light module is a maximum of 400.

6. The motor vehicle headlamp system according to claim 1, wherein the light pixels of the first and second light modules are configured as mini LEDs.

7. The motor vehicle headlamp system according to claim 1, wherein the motor vehicle headlamp system comprises a control device, which is arranged to activate the light pixels of the first and second light modules, wherein the light pixels are able to be activated independently of one another.

8. The motor vehicle headlamp system according to claim 7, wherein the control device is arranged to activate the light pixels of the first and second light modules such that a dipped beam distribution and/or a full beam distribution is able to be generated in the motor vehicle headlamp system light distribution.

9. The motor vehicle headlamp system according to claim 1, wherein the first and the second light module of the first motor vehicle headlamp are arranged and disposed with respect to one another, that the first and the second light distribution (100, 200) of the first motor vehicle headlamp in addition at least partially overlap one another by a horizontal offset of at least one quarter of the first column width (110a, 210a).

10. The motor vehicle headlamp system according to claim 9, wherein the horizontal offset is a multiple of a quarter of the first column width (110a, 210a).

Description

[0023] The invention is explained more closely in the following with the aid of exemplary drawings. There are shown here

[0024] FIG. 1 an exemplary first and second light distribution of a first or respectively of a second motor vehicle headlamp,

[0025] FIG. 2 an exemplary first headlamp light distribution, which is able to be generated by means of an overlapping of the first and second light distribution of a first motor vehicle headlamp,

[0026] FIG. 3 an exemplary second headlamp light distribution, which is able to be generated by means of an overlapping of the first and second light distribution of a second motor vehicle headlamp,

[0027] FIG. 4 an exemplary motor vehicle headlamp system light distribution, which is able to be generated by means of an overlapping of the first and second headlamp light distributions of FIGS. 2 and 3.

[0028] FIG. 1 shows an exemplary first and second light distribution 100, 200 of a motor vehicle headlamp system with a first and a second motor vehicle headlamp, wherein each motor vehicle headlamp comprises a first and a second light module, which first light module comprises light pixels in a matrix-like arrangement in lines and columns, and is arranged to generate the first light distribution 100 before the motor vehicle headlamp system by radiating of light of individual light pixels, and wherein the second light module comprises light pixels in a matrix-like arrangement in lines and columns, and is arranged to generate the second light distribution 200 before the motor vehicle headlamp system by radiating of light of individual light pixels.

[0029] Here, the light pixels of the light modules are configured as mini LEDs and do not exceed the number of 400 in a light module.

[0030] Each light distribution 100, 200 is formed here from several pixel light segments 101, 201, wherein a pixel light segment 101, 201 corresponds to a light pixel and is able to be produced through this.

[0031] Furthermore, each light distribution 100, 200 is arranged to generate a first pixel light segment group 110, 210, which is arranged in a matrix-like manner in lines and columns with a first column width 110a, 210a, and to generate a second pixel light segment group 120, 220, which is arranged in a matrix-like manner in lines and columns with a second column width 120a, 220a, wherein the second column width 120a, 220a corresponds to half of the first column width 110a, 210a, and to generate a third pixel light segment group 130, 230, which is arranged in a matrix-like manner in lines and columns with a third column width 130a, 230a, which corresponds to the first column width 110a, 210a.

[0032] Furthermore, the first pixel light segment group 110, 210 has a first line height 110b, 210b, the second pixel light segment group 120, 220 has a second line height 120b, 220b and the third pixel light segment group 130, 230 has a third line height 130b, 230b, wherein in the example which is shown the first line height 110b, 210b is greater than the second and the third line height 120b, 220b, 130b, 230b, and wherein the third line height 130b, 230b is greater than the second line height 120b, 220b.

[0033] As can be seen in FIG. 1, the pixel segment groups 110, 120, 130 in the first light distribution 100 of the first light module are arranged over one another in vertical direction, wherein in vertical direction above the second pixel light segment group 120 the first pixel light segment group 110 is arranged, and in vertical direction beneath the second pixel light segment group 120 the third pixel light segment group 130 is arranged.

[0034] Furthermore it can be seen that the second light distribution 200 of the second light module is arranged mirrored vertically with respect to the first light distribution 100, so that the third pixel light segment group 230 is arranged in vertical direction above the second pixel light segment group 220 and the first pixel light segment group 210 is arranged in vertical direction beneath the second pixel light segment group 220.

[0035] It is to be noted that designations or respectively orientations such as “vertical” and “horizontal” refer to a motor vehicle headlamp system which is installed appropriately in a motor vehicle. Furthermore, in motor vehicle headlamp technology it is in any event known to a specialist in the art how these designations are to be understood, as light distribution of motor vehicle headlamps and their alignment are determined on a defined measuring screen, which according to ECE directives is situated 25 m from the motor vehicle headlamp or respectively motor vehicle headlamp system which is to be measured. The previously mentioned legal ECE directives also contain for example the terms vertical or respectively horizontal.

[0036] The first and the second light module of the first motor vehicle headlamp are furthermore arranged and disposed with respect to one another so that the first and the second light distribution 100, 200 of the first motor vehicle headlamp are arranged at least partially overlapping one another by a vertical offset 301 of a half of the second line height 120b, 220b, with the formation of a first headlamp light distribution 310, which first headlamp light distribution 310 is to be seen in FIG. 2. Furthermore, the first and the second light module of the first motor vehicle headlamp are arranged and disposed with respect to one another that the first and the second light distribution 100, 200 of the first motor vehicle headlamp additionally at least partially overlap one another by a horizontal offset of at least one quarter of the first column width 110a, 210a, so that the partially overlapping second pixel light segment groups 120, 220 of the first and second light distribution 100, 200 are arranged horizontally offset with respect to one another by a quarter of the first column width 110a, 210a.

[0037] Furthermore, the first and the second light module of the second motor vehicle headlamp are arranged and disposed with respect to one another so that the first and the second light distribution 100, 200 of the second motor vehicle headlamp are arranged at least partially overlapping, with formation of a second headlamp light distribution 320, wherein the second headlamp light distribution 320 is horizontally mirrored with respect to the first headlamp light distribution 310, which second headlamp light distribution 320 is to be seen in FIG. 3.

[0038] Moreover, the first and the second motor vehicle headlamp are arranged and disposed with respect to one another so that the first headlamp light distribution 310 of the first motor vehicle headlamp and the second headlamp light distribution 320 of the second motor vehicle headlamp are arranged overlapping one another by a horizontal offset 401 of by half the first column width 110a, 210a with formation of a motor vehicle headlamp system light distribution 400, which motor vehicle headlamp system light distribution 400 is to be seen in FIG. 4.

[0039] Moreover, the motor vehicle headlamp system comprises a control device (not illustrated), which is arranged to activate the light pixels of the first and second light modules such that in the motor vehicle headlamp system light distribution 400 a dipped beam distribution and/or a full beam distribution is able to be generated, wherein the light pixels are able to be activated independently of one another.

LIST OF REFERENCE NUMBERS

[0040] First light distribution . . . 100
Second light distribution . . . 200
Pixel light segment . . . 101, 201
First pixel light segment group . . . 110, 210
First column width . . . 110a, 210a
First line height . . . 110b, 210b
second pixel light segment group . . . 120, 220
second column width . . . 120a, 220a
second line height . . . 120b, 220b
third pixel light segment group . . . 130, 230
third column width . . . 130a, 230a
third line height . . . 130b, 230b
vertical offset . . . 301
first headlamp light distribution . . . 310
second headlamp light distribution . . . 320
Motor vehicle headlamp system light distribution . . . 400
Horizontal offset . . . 401