3D Pixel Shifting for Auto-Stereoscopic Display Resolution
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Solution Overview
Problem
Stereoscopic image displays, particularly auto-stereoscopic types, face issues with reduced resolution and visibility of 3D images due to larger 3D pixels compared to 2D pixels, leading to deteriorated display quality and noticeable contours.
Innovation Solution
A display apparatus with a light converting element, such as a lenticular lens or liquid crystal lens module, that shifts 3D pixels in a controlled manner across multiple frames to optimize their position and size, corresponding to the arrangement of 2D subpixels, enhancing the perceived resolution and reducing contour visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a 3D pixel corresponds to multiple 2D pixels in auto-stereoscopic display, then stereoscopic image can be displayed, but the resolution and visibility of the 3D image decrease
Solution Approach 1:
The 3D pixel is segmented into multiple 3D subpixels (e.g., six 3D subpixels arranged in a 3×2 matrix or nine 3D subpixels in a 3×3 matrix), where each 3D subpixel corresponds to multiple 2D subpixels. This segmentation allows the system to maintain high resolution by distributing the pixel information across multiple smaller subpixels rather than using a single large 3D pixel.
2Adaptability or versatility
If the size of 3D pixel is increased to generate multiple images for various viewpoints, then stereoscopic effect is achieved, but the contour of the 3D pixel becomes noticeable and display quality deteriorates
Solution Approach 1:
By dividing the 3D pixel into multiple small 3D subpixels, the contour of each individual subpixel becomes less noticeable to the viewer. The segmented structure distributes the visual information across multiple smaller elements, reducing the perceived pixelation and improving overall display quality while maintaining the multi-viewpoint capability.
Solution Approach 2:
The patent utilizes the temporal dimension by shifting the position of 3D pixels between different frames. The display panel driver shifts grayscale data of 2D subpixels to move 3D pixels to different positions in successive frames, creating a scanning effect that reduces contour visibility and enhances perceived resolution.
3Manufacturing precision
If 3D pixels are shifted across multiple frames, then perceived resolution increases and contour visibility decreases, but the complexity of the display control increases
Solution Approach 1:
The system implements dynamic control by continuously shifting the position of 3D pixels across multiple frames. The display panel driver dynamically adjusts the grayscale data of 2D subpixels to move 3D pixels to different positions in successive frames, creating a scanning motion that improves perceived resolution and reduces contour visibility.
Solution Approach 2:
The 3D pixel shifting follows a periodic pattern where pixels are shifted to different positions in alternating frames or groups of frames. This periodic scanning action creates a temporal distribution of pixel information that enhances perceived resolution while the patterned nature of the shifting simplifies the control logic compared to arbitrary positioning.
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 improves the display quality of 3D images by maintaining higher horizontal resolution, increasing perceived resolution, and minimizing the noticeability of 3D pixel contours, thereby enhancing the overall viewing experience.
Implementation Method 1
A display apparatus with a light converting element, such as a lenticular lens or liquid crystal lens module, that shifts 3D pixels in a controlled manner across multiple frames
Data Source
AI summary
A display apparatus includes a display panel, a light converting element and a display panel driver. The display panel includes a plurality of two-dimensional (“2D”) pixels. At least one of the 2D pixels includes a plurality of 2D subpixels. The light converting element is disposed on the display panel. The light converting element includes a three dimensional (“3D”) pixel. The 3D pixel corresponds to the plurality of 2D pixels. The 3D pixel includes a plurality of 3D subpixels. The display panel driver is connected to the display panel. The display panel driver renders grayscale data of the 2D subpixels such that the 3D pixel disposed at a first position in a first frame is shifted to a second position in a second frame.