Meter Pointer Display Mode Switching for Overlap Visibility
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Solution Overview
Problem
Display apparatuses for vehicles face challenges in maintaining visibility of meter images, particularly when pointer and mark images overlap, due to reduced stereoscopic recognition and visibility issues.
Innovation Solution
A display apparatus with a display controller that switches between different display modes for pointer images based on their alignment with mark images and movement speed, adjusting the length, width, or form of the pointer image to enhance visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pointer image and mark image are displayed in the same display mode, then the display is simple and consistent, but the visibility of the mark image drops when the pointer overlaps the mark
Solution Approach 1:
The display controller dynamically switches between first and second display modes based on whether the pointer image overlaps the mark image. When overlap is detected, the system transitions to the second display mode to enhance mark visibility; when no overlap occurs, it uses the first display mode for normal operation. This dynamic adaptation resolves the contradiction by adjusting display characteristics in response to real-time spatial relationships.
Solution Approach 2:
The system applies different display modes selectively - the first display mode for non-overlapping regions and the second display mode for overlapping regions. This local differentiation ensures that the mark image maintains adequate visibility wherever the pointer may overlap it, while avoiding unnecessary complexity in regions where simple display suffices.
Data Source
AI summary
A display panel is adapted to display at least one meter image including a pointer image constituting a pointer and a mark image constituting a mark that the pointer is adapted to point to. A processor controls the display state of the pointer image. The processor causes the pointer image to be displayed on the display panel when the pointer image does not point to the mark image and causes the pointer image to be displayed on the display panel in a second display mode when the pointer image points to the mark image. The first display mode and the second display mode are different.