Adaptive Rear-View Mirror Display Intensity Control
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Solution Overview
Problem
The increasing number of display screens in motor vehicles leads to visual overload for drivers, causing fatigue and reduced vigilance, and results in increased energy consumption and reduced screen lifespan.
Innovation Solution
A method for managing the display intensity of rear-view mirrors based on monitored driving parameters, such as brake use, speed, reverse gear engagement, object detection, and driver head orientation, to optimize screen usage and reduce visual fatigue, with adaptive lighting modes that adjust intensity automatically without driver intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the display intensity of rearview mirror screens is increased to improve visibility, then the driver can see the vehicle surroundings better, but driver visual fatigue increases and alertness decreases
Solution Approach 1:
The display intensity is made dynamic rather than static, automatically adjusting based on real-time driving conditions such as ambient light levels, vehicle speed, and driving phase. This allows the system to provide high visibility when needed while reducing intensity during normal driving to prevent visual fatigue.
Solution Approach 2:
The system changes the display intensity parameter according to different driving contexts. During parking maneuvers or when obstacles are detected, the display intensity is increased to maximum levels. During normal driving, the intensity is reduced to minimal necessary levels, optimizing both visibility and driver comfort.
2Illumination intensity
If the display intensity of rearview mirror screens is maintained at high levels continuously, then visibility is improved, but energy consumption increases and screen lifespan decreases
Solution Approach 1:
Instead of continuous high-intensity display operation, the system employs periodic action by activating high display intensity only during specific driving phases such as parking maneuvers, reverse operations, or when obstacles are detected. During normal driving, the display operates at low intensity or remains off, significantly reducing energy consumption while maintaining screen lifespan.
Solution Approach 2:
The display system automatically regulates its own intensity based on sensed driving conditions without requiring manual intervention. The control unit monitors ambient light, vehicle state, and sensor data to self-adjust display parameters, ensuring energy efficiency while maintaining necessary visibility.
3Adaptability or versatility
If multiple display screens are integrated into the passenger compartment to provide comprehensive information, then functionality is improved, but visual overload increases causing driver fatigue
Solution Approach 1:
Different display regions are assigned different intensity levels and information types based on local needs. The rearview mirror displays show critical safety information such as blind spot monitoring and obstacle detection at higher intensity, while other screens display less critical information at lower intensity or in a hierarchical manner, reducing overall visual overload while maintaining comprehensive functionality.
Data Source
Figure 1~2
AI summary
The invention relates to a method of managing the display of at least one rearview screen (3a, 3b) of a motor vehicle (1), characterized in that at least one driving parameter of the motor vehicle (1) is monitored and the display intensity of at least one rearview screen (3a, 3b) is increased in a high lighting mode, in relation to the evolution of the driving parameter.