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Lighting systems and headlamps

A lighting system and optical unit technology, applied in the field of lighting systems, can solve problems such as high construction space requirements

Active Publication Date: 2022-08-05
彼欧光电系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this disadvantageously leads to a higher installation space requirement, since several modules are required
A further disadvantage is that objects to be shaded appear at different angles for the respective module depending on the distance to the module

Method used

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  • Lighting systems and headlamps
  • Lighting systems and headlamps
  • Lighting systems and headlamps

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0055] according to figure 1 , a headlamp 1 with a lighting system 2 is shown in simplified dashed lines. The lighting system has a circuit board 4 with a plurality of light sources in the form of light emitting diodes (LEDs) 6 arranged in a matrix. Furthermore, the lighting system 2 has an optical unit 8 which is fastened to the circuit board 4 via a holding frame 10 . The optical unit 8 is fixed at the holding frame 10 via a pressing part 12 in the form of a clamp. The holding frame 10 is fastened to the circuit board 4 via fastening elements in the form of screws 14 . Furthermore, spacers 15 are arranged between the circuit board and the holding frame 10 for precise positioning of the optical unit 8 . Furthermore, a secondary optical unit (not shown) is an integral part of the headlamp 1 or of the lighting system 2 .

[0056] according to figure 2 , the holding frame 10 has a receiving cavity 16 for the optical unit 8 facing away from the circuit board 4 . The receiv...

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PUM

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Abstract

The invention relates to a lighting system with an optical unit having a plurality of connected light conductors. The spacer between the light guide and the primary optical unit ensures an almost constant small distance between the light emission surface of the light source and the light input surface of the primary optical unit over the entire expected temperature range. The optical unit is fastened to the circuit board with the light source via a holding frame. The invention also relates to a headlamp with such a lighting system.

Description

technical field [0001] The invention relates to an illumination system having at least one light source and an optical unit connected downstream of the light source. Furthermore, the invention relates to a headlamp with such a lighting system. Background technique [0002] Vehicles known from the prior art have adaptive high beams (ADB) as additional equipment. For this purpose, light emitting diodes (LEDs), eg arranged in a matrix, can be used, wherein the LEDs are part of a module. Thus, each individual or group of LEDs in a module can be separately driven and thus switched and dimmed. In combination with the camera system and the image processing electronics, for example, oncoming vehicles and vehicles ahead are detected and at least partially blocked from light. This makes it possible, for example, to drive permanently with "high beams" on without dazzling other road users, especially when certain conditions exist. It can be provided as a condition that the vehicle t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S41/141F21S41/24F21V17/10F21V19/00F21V23/00F21W107/10F21Y115/10
CPCF21S41/24F21S41/141F21V17/10F21V19/001F21V23/003F21Y2115/10F21W2107/10F21S41/285F21S41/153F21S41/143F21S41/29F21S41/663B60Q1/0408F21S41/265
Inventor 约阿希姆·施特尔菲利普·黑尔比希斯特凡·施魏格尔
Owner 彼欧光电系统有限公司