Shutter Glasses 3D Display Depth Conflict
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Solution Overview
Problem
3D viewing systems face challenges when displaying 2D or 3D on-screen display images alongside 3D content, as the brain struggles to adapt to different depths, leading to a distracting and unpleasant viewing experience due to simultaneous presentation of 3D and 2D images.
Innovation Solution
The method involves controlling shutter glasses with first and second viewing windows to allow only one eye to receive both 3D image and 2D or 3D on-screen display images, ensuring the 3D engine continues to operate by selectively varying transparency or using control signals and backlight modulation, allowing the viewer to perceive both images in 2D.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If both 3D image and 2D on-screen display image are presented simultaneously to both eyes, then complete image information is provided, but the brain struggles to adapt to different depths causing distracting and unpleasant viewing experience
Solution Approach 1:
The patent segments the visual information delivery by separating the 3D image content and 2D on-screen display content into different ocular channels. The 3D image is directed to both eyes through alternating shutter control, while the 2D on-screen display is directed only to the dominant eye, preventing depth conflict and improving viewing comfort while maintaining information completeness.
Solution Approach 2:
The patent applies different presentation qualities to different image types by controlling which eye receives which content. The dominant eye receives both 3D and 2D on-screen display images, while the non-dominant eye receives only 3D images, creating localized optimization of image delivery to resolve the depth adaptation problem.
2Productivity
If shutter glasses control both 3D and 2D images to both eyes, then all image data is displayed, but processing complexity and potential interruptions increase
Solution Approach 1:
The patent extracts the 2D on-screen display content from the bilateral 3D presentation pathway and directs it exclusively to the dominant eye. This separation simplifies the shutter control logic by eliminating the need to coordinate both eyes for 2D content, reducing processing complexity while maintaining display efficiency.
Solution Approach 2:
The system performs preliminary determination of the viewer's dominant eye before image presentation begins. This advance knowledge allows the shutter control system to pre-configure which eye receives 2D on-screen display content, simplifying real-time processing and avoiding complex runtime decisions that could cause interruptions.
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
This approach alleviates the distracting effect by allowing the viewer to see additional images in 2D while maintaining an uninterrupted 3D experience, reducing processing burden on the display apparatus and preventing interruptions in 3D output.
Implementation Method 1
the shutter glasses being LCD shutter glasses, the controlling the viewing windows comprising selectively applying a voltage to the viewing windows so as to selectively vary the transparency of the viewing windows
Implementation Method 2
the controlling the viewing windows of the viewing apparatus being in response to sensing backlight modulation of the display apparatus
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A method of controlling viewing apparatus (304) for viewing a 3D image. The apparatus comprises a first viewing window (306) for a viewer's left eye and a second viewing window (308) for a viewer's right eye. The method comprises: controlling the viewing windows such that for 3D viewing of a 3D image, a left side image of the 3D image passes only through the first viewing window (306) and a right side image of the 3D image passes only through the second viewing window (308); and controlling the viewing windows such that when a 2D image or a 3D on-screen display image is being presented with the 3D image, only one of the first and second viewing windows passes light for the images for viewing by a viewer (310).