Stereoscopic Barrier Panel Channel Electrode Stacking
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Solution Overview
Problem
The complexity of forming multiple stacked channel electrodes in stereoscopic display devices increases the risk of misalignment and decreases process efficiency, making it difficult to maintain a proper viewing range for stereoscopic images as the viewer moves.
Innovation Solution
A stereoscopic display device design that minimizes the number of stacked channel electrodes by using a barrier panel with lower and upper channels, each comprising sub-channels and insulating layers, where the lower insulating layer partially covers the first sub-channel of adjacent lower channels, allowing for reduced horizontal distance between channels and improved insulation, enabling smooth adjustment of the viewing range based on viewer location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of stacked channel electrodes is increased to improve insulation between adjacent electrodes, then insulation performance is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent transitions from a single-layer channel electrode structure to a multi-layer stacked structure, utilizing the vertical dimension to achieve insulation. By stacking channel electrodes at different heights with insulating layers between them, the design reduces horizontal spacing while maintaining electrical isolation through vertical separation, thus improving insulation performance without proportionally increasing manufacturing complexity.
Solution Approach 2:
The patent implements a nested structure where multiple channel electrodes are stacked vertically with insulating layers embedded between them. The insulating layers are integrated within the stack rather than added as separate external components, creating a compact nested arrangement that maximizes insulation efficiency while minimizing overall device complexity.
2Length of stationary object
If the number of stacked channel electrodes is increased to reduce distance between electrodes, then distance between electrodes is reduced, but manufacturing precision requirements increase due to alignment difficulties
Solution Approach 1:
The patent employs a nested stacking arrangement where channel electrodes and insulating layers are integrated in a compact vertical configuration. This nesting allows precise alignment to be achieved through sequential layer formation rather than simultaneous positioning, reducing the cumulative alignment errors that would occur with multiple separate patterning steps.
Solution Approach 2:
The patent applies preliminary patterning actions to establish the positions of channel electrodes and insulating layers before final assembly. By pre-defining the spatial relationships and alignment references in earlier manufacturing stages, the design reduces the precision demands on subsequent steps, making the overall manufacturing process more robust despite the multi-layer complexity.
3Reliability
If the number of stacked channel electrodes is increased to improve insulation, then insulation is improved, but process efficiency decreases due to additional patterning steps
Solution Approach 1:
The patent merges the formation of multiple channel electrodes and insulating layers into an integrated stacking process. Rather than treating each layer as a separate manufacturing operation requiring independent patterning and alignment, the design combines these operations into a unified process flow, reducing the total number of discrete steps and improving overall manufacturing efficiency while maintaining the insulation benefits of multiple stacked electrodes.
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 design reduces the distance between channel electrodes, enhances insulation, and maintains efficient process margins, ensuring a smooth and proper viewing range for stereoscopic images without compromising manufacturing efficiency.
Implementation Method 1
The lower insulating layer is disposed between the barrier substrate and a second end region of the second sub-channel
Data Source
AI summary
A stereoscopic display device having a barrier panel is provided. The barrier panel may include lower channels between a lower barrier substrate and a channel insulating layer. The lower channels may be disposed between upper channels which is disposed on the channel insulating layer. Each of the lower channels may include a first sub-channel, a second sub-channel and a lower insulating layer. The lower insulating layer of each lower channel may cover an end region of the first sub-channel of adjacent lower channel. The second sub-channel of each lower channel may be connected to another end region of the first sub-channel. The second sub-channel may be extended along a side wall of the lower insulating layer. Thus, in the stereoscopic display device of the present disclosure, a distance between the lower channels may be minimized.