Vehicle Headlight Illumination Matrix Actuator Deflection

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Solution Overview

Problem

Current vehicle headlight technologies, such as matrix lights and adaptive high beams, face challenges in dynamically controlling light distribution and compensating for failed illumination pixels, which affects the resolution and functionality of the headlight.

Innovation Solution

The implementation of an illumination matrix with independently controllable pixels, combined with x-oriented, y-oriented, and z-oriented actuators, allows for dynamic control of light distribution by periodically deflecting the illumination matrix and optical elements, enabling the compensation of failed pixels and adjustment of light intensity and pattern.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If an illumination matrix with independently controllable pixels is used, then the dynamic control of light distribution and resolution is improved, but the device complexity increases due to multiple actuators and control mechanisms

Engineering Contradiction:
ImproveresolutionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The illumination matrix is divided into multiple independently controllable pixels, allowing selective activation and deactivation of individual pixels to achieve high-resolution light distribution patterns and compensate for failed pixels

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system employs multiple actuators (x-oriented, y-oriented, and z-oriented) that dynamically adjust the positions of the illumination matrix and optical elements in real-time, enabling adaptive light distribution and resolution enhancement

Inventive Principle:
Principle #15Dynamics

2Reliability

If multiple actuators are used for periodic deflection, then the compensation of failed pixels and adjustment of light patterns is improved, but the ease of operation deteriorates due to complex control requirements

Engineering Contradiction:
ImprovereliabilityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system uses multiple actuators to dynamically reposition the illumination matrix and optical elements, enabling the headlight to adapt to failed pixels and adjust light patterns in real-time, thereby improving reliability

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control system monitors the status of illumination pixels and adjusts the actuator positions accordingly to compensate for failed pixels, ensuring continuous reliable operation through feedback-based adaptation

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If the illumination matrix and optical elements are periodically deflected, then the dynamic adjustment of light distribution is improved, but the loss of time increases due to continuous movement and adjustment

Engineering Contradiction:
ImproveadaptabilityVSAvoidresponse time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The actuators periodically deflect the illumination matrix and optical elements at controlled frequencies, enabling dynamic light distribution adjustment while managing the time required for repositioning

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system dynamically adjusts the positions of optical elements and illumination matrix in real-time based on driving conditions, achieving high adaptability through continuous but controlled movement

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution enhances the dynamic adjustment of headlight resolution, compensates for failed pixels, and enables situation-dependent illumination patterns, improving the functionality and reliability of the vehicle headlight.

Implementation Method 1

at least one x-oriented actuator for periodically deflecting the illumination matrix and/or the objective and/or a part of the objective and/or an objective lens of the objective in x-orientation

Methodology Applied
Scientific EffectMechanical deflection:

Implementation Method 2

an objective for imaging the illumination pattern, the objective comprising at least one objective lens

Methodology Applied
Scientific EffectOptical imaging: Lens

Data Source

PatentUS12085252B2Motor vehicle
Publication Date: 2024.09.10 DOCTER OPTICS SE
  • US12085252B2 patent drawing
  • US12085252B2 patent drawing
  • US12085252B2 patent drawing

AI summary

The disclosure relates, inter alia, to a vehicle headlight (10), for example for a motor vehicle (1), wherein the vehicle headlight (10) comprises an illumination matrix (534) with a plurality of independently controllable illumination pixels for generating a (for example time-variant) illumination pattern, wherein the vehicle headlight (10) comprises an objective for imaging the illumination pattern, and wherein the objective comprises at least one objective lens.