In-Vehicle Display Region Dimming for Driver Distraction Masking
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Solution Overview
Problem
Current privacy solutions for vehicle displays inadequately obscure distracting content from the driver's view, violating safety guidelines and posing a risk to road safety, as they fail to sufficiently mask content in low-light environments and compromise passenger image quality.
Innovation Solution
A method that evaluates and adjusts the visibility of display content by subdividing it into regions based on distraction potential, using local dimming and contrast reduction techniques to specifically impair visibility of distracting content, such as moving images, while maintaining visibility of non-distracting content and adhering to safety standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If privacy mode is activated using conventional shading methods, then driver visibility of distracting content is reduced, but the shading is insufficient in dark environments allowing driver to still see content
Solution Approach 1:
The patent applies local dimming technology to specifically reduce brightness in regions containing distracting content (such as video or social media) while maintaining normal brightness in non-distracting regions. This allows the driver to be prevented from seeing distracting content without compromising the overall display quality for the passenger, resolving the contradiction between driver safety and display functionality.
2Reliability
If the display is darkened sufficiently to prevent driver viewing, then driver distraction is reduced, but the image quality for the passenger deteriorates
Solution Approach 1:
The system evaluates different regions of the display content and applies dimming selectively only to regions identified as distracting (e.g., video content, social media feeds) while leaving other regions (e.g., navigation, climate control information) at full brightness. This ensures driving safety is maintained while preserving overall image quality and passenger viewing experience.
Solution Approach 2:
The display is divided into multiple regions that are independently evaluated and controlled. Each region can have different brightness levels based on its content type, allowing the system to maintain high image quality overall while specifically obscuring distracting content from the driver's view.
3Reliability
If content is subdivided into regions and selectively dimmed, then distracting content visibility is reduced, but the system complexity increases
Solution Approach 1:
The system automatically evaluates display content using image recognition and machine learning algorithms to identify distracting regions, then applies appropriate dimming without requiring manual intervention. This automation manages the system complexity by making the region segmentation and evaluation process self-executing, reducing the need for complex manual configuration while maintaining effective distraction reduction.
Data Source
AI summary
A method is provided for content-based adjustment of visibility of content on a display unit. The method includes subdividing content to be displayed on a display unit into a number of regions; evaluating the content in at least one region with respect to its distraction effect; adjusting the display view in the at least one region on the basis of the evaluation carried out. Furthermore, a display unit configured according to the method is provided.