Transparent Display and Lens Layout to Eliminate HUD Double Imaging
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Solution Overview
Problem
Traditional head-up displays in transportation vehicles cause eye fatigue due to double imaging through the windshield, affecting safety and user experience.
Innovation Solution
A transportation apparatus with a transparent display device and a lens, where the display device is partially disposed on a first region and the lens on a non-overlapping second region, projecting images onto the lens to create a magnified virtual image outside the viewing area, reducing double imaging and enhancing safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a traditional head-up display projects dashboard information onto the windshield, then the driver can see dashboard information through the reflected image, but the driver sees double image or two image outlines due to windshield thickness, causing eye fatigue
Solution Approach 1:
The patent introduces a transparent display device as an intermediary component positioned between the driver and the windshield. This transparent display directly presents dashboard information to the driver without requiring projection onto the windshield, thereby eliminating the double image effect while maintaining information visibility. The transparent display acts as a mediator that resolves the conflict between information delivery and image quality.
2Ease of operation
If the windshield is used as a projection surface for dashboard information, then the driver can view information without looking away, but the windshield thickness causes double imaging that reduces user experience quality and affects driving safety
Solution Approach 1:
The patent extracts the display function from the windshield itself and places it on a separate transparent display device. By removing the projection requirement from the windshield, the system eliminates the double image problem while preserving the hands-free information viewing capability. The transparent display is positioned to allow the driver to see both the road and dashboard information simultaneously without looking away.
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
The solution prevents double imaging, reducing eye fatigue and improving safety and user experience by allowing simultaneous viewing of real-world objects and virtual images without interference.
Implementation Method 1
the lens is disposed on the second region. The projection unit is disposed on a side of the window facing the lens, the projection unit projects a projection image onto the lens
Data Source
AI summary
Provided is a transportation apparatus including a window, a transparent display device, a lens, and a projection unit. The window has a first region and a second region. The transparent display device is at least partially disposed on the first region, and the lens is disposed on the second region. The projection unit is disposed on a side of the window facing the lens and projects a projection image onto the lens, and the first region does not overlap with the second region.