Vehicle Display Brightness Control Using Zone Light Mapping
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Solution Overview
Problem
Conventional vehicle brightness management systems fail to provide individualized and adaptive brightness control for vehicle displays based on varying lighting conditions and user interactions within the vehicle environment.
Innovation Solution
A wireless communication networked system that includes light detectors, a light mapping module, and control circuitry to detect light levels and user status, allowing for dynamic adjustment of vehicle display brightness across different zones, taking into account lighting gradients, glare, and seating positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single sunlight sensor is placed near the front of the vehicle to detect lighting conditions, then the system structure is simple, but the brightness control cannot be individualized for different zones or displays
Solution Approach 1:
The patent divides the vehicle interior into multiple zones (driver zone, passenger zone, rear zones) and places light detectors in each zone. Each zone's display can be independently controlled based on its local lighting conditions, enabling individualized brightness control while maintaining manageable system complexity through modular zone-based architecture.
Solution Approach 2:
The system implements local quality by allowing different brightness levels for different displays based on their specific lighting conditions. Each display receives customized brightness control according to its local environment rather than uniform control, achieving adaptability while the distributed sensor network keeps overall complexity acceptable.
2Measurement precision
If multiple light detectors are distributed throughout the vehicle to detect zone-specific lighting conditions, then individualized brightness control is achieved, but the device complexity increases
Solution Approach 1:
The vehicle interior is segmented into discrete zones, each with its own light detector. This segmentation allows precise measurement of lighting conditions in each zone while organizing the sensor network into manageable units, reducing the perceived complexity despite multiple sensors.
Solution Approach 2:
Mobile devices in the vehicle serve dual functions: as user interaction interfaces and as light detectors for brightness control. This multi-functionality reduces the need for dedicated sensors, improving measurement precision while minimizing the increase in device complexity.
3Adaptability or versatility
If brightness is adjusted based on mobile device light detection and zone mapping, then adaptive brightness control is achieved, but the system requires complex communication and processing
Solution Approach 1:
Mobile devices perform multiple functions including user interface operations and light detection for brightness control. This consolidation reduces the need for separate dedicated control hardware, achieving dynamic adaptability while keeping the control system architecture relatively simple by leveraging existing mobile device capabilities.
Solution Approach 2:
The system automatically detects lighting conditions and adjusts display brightness without requiring manual user input. The mobile device and control system work autonomously to monitor environmental light levels and make real-time brightness adjustments, achieving adaptability while minimizing the complexity of user interaction interfaces.
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
Enables precise and adaptive brightness control of vehicle displays, enhancing visibility and comfort by accurately responding to changing lighting conditions and user interactions within the vehicle.
Implementation Method 1
a first light detector for detecting a first light level at a first location of the mobile device
Data Source
AI summary
A brightness management system for a vehicle includes a network providing wireless communication for a vehicle environment, a mobile device in the vehicle environment and including a first light detector for detecting a first light level at a first location of the mobile device, at least one vehicle display coupled with the vehicle and having at least one brightness level, and control circuitry communicatively coupled with the mobile device and the at least one vehicle display via the network. The control circuitry is configured to detect the first location of the mobile device in the vehicle, receive an indication of the first light level from the mobile device, and communicate a signal to adjust the at least one brightness level of the at least one vehicle display based on the first location and the first light level.