Pixel Island Display Panel for High PPI Integral Imaging
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Solution Overview
Problem
Conventional display panels have low pixel utilization ratios and difficulty in increasing resolution or PPI due to uniform pixel arrangements, which limits their effectiveness in integral imaging display technology.
Innovation Solution
The display panel features pixel island areas with active display areas of multiple pixel units, where the distance between pixel units is smaller than the distance between island areas, allowing for improved pixel utilization and arrangement of driving elements in non-display intervals, thereby enhancing resolution and PPI.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If uniform pixel arrangement is used in conventional display panels, then manufacturing is simplified, but pixel utilization ratio is low and resolution cannot be increased
Solution Approach 1:
The display panel is divided into multiple pixel island areas, each containing multiple pixel units. This segmentation allows different regions to have different pixel densities and arrangements, enabling high pixel utilization in display regions while simplifying non-display regions for driving element placement.
Solution Approach 2:
Different pixel island areas can have different pixel arrangements and densities tailored to specific display requirements. The interval areas between pixel islands are optimized for driving element placement rather than display, creating local optimization of both display quality and manufacturing efficiency.
2Manufacturing precision
If driving elements are placed within pixel units, then pixel density is maintained, but pixel utilization ratio decreases due to non-display areas
Solution Approach 1:
Driving elements are extracted from within pixel units and placed in separate interval areas between pixel islands. This extraction allows pixel units to be dedicated entirely to display functions, achieving 100% pixel utilization ratio while maintaining high pixel density in display regions.
Solution Approach 2:
The layout transitions from two-dimensional uniform pixel grid to a multi-level structure where pixel units are concentrated in island areas and driving elements are positioned in interval areas, effectively utilizing both display and non-display spaces.
3Ease of manufacture
If pixel distance is increased for driving element placement, then driving elements can be accommodated, but resolution and PPI decrease
Solution Approach 1:
The display panel is segmented into pixel island areas with small pixel distances for high resolution and interval areas with larger spacing for driving element placement. This segmentation allows both high resolution and driving element accommodation without compromise.
Solution Approach 2:
Pixel density parameter varies between pixel island areas (high density) and interval areas (low density or no pixels). This parameter change enables optimization of both resolution in display regions and driving element placement in non-display regions.
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 configuration achieves a 100% pixel utilization ratio and increased resolution or PPI, enabling more efficient integral imaging display with improved light field capabilities.
Implementation Method 1
each of the plurality of microlenses is configured to project light emitted by a corresponding pixel island area to a human-eye observing range
Implementation Method 2
The integral imaging display technology utilizes the principle of optical path reversibility, in which, stereoscopic information of a 3D scene is recorded onto an image recording device by a pinhole array or a microlens array
Data Source
AI summary
A display panel and a display device. The display panel includes a plurality of pixel island regions. Each pixel island region includes effective display regions of at least two pixel units. The distance between the adjacent pixel units in each pixel island region is less than the distance between the adjacent pixel island regions.