Polarized Stereoscopic Display Alignment for Clear 3D Viewing
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Solution Overview
Problem
Existing stereoscopic display systems face issues with diminished picture quality due to mismatched polarizer alignments in 3D glasses and displays, leading to viewer discomfort such as headaches.
Innovation Solution
A stereoscopic display system with individually addressable left and right polarizing LED packages, featuring distinct polarizer and package alignments, arranged in alternating patterns on a curved or planar substrate to enhance 3D imaging clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate color-coded views are projected onto one screen with corrective eyewear lenses, then stereoscopic 3D experience is achieved, but viewer comfort deteriorates causing headaches
Solution Approach 1:
The display is divided into separate LED packages for left and right eyes, with each package containing specific polarizing elements. This segmentation allows independent optimization of each eye's viewing experience, eliminating the need for color-coded separation that causes viewer discomfort.
Solution Approach 2:
Different regions of the display (left vs right LED packages) have different polarizer alignments optimized for their respective eyes. The polarizing elements in each package are specifically configured with local quality differences to match the corresponding eyewear lens, ensuring optimal image quality for each eye without causing headaches.
2Adaptability or versatility
If lenticular sheets or parallax barriers are interposed over the pixelated array, then multi-user personal display is achieved, but picture quality deteriorates due to polarizer alignment mismatch
Solution Approach 1:
The system uses individually addressable LED packages that can be dynamically controlled to provide different images to different users. The polarizing elements are configured with specific alignments that adapt to the viewing requirements of multiple users, maintaining picture quality while enabling multi-user capability.
Solution Approach 2:
The polarizer alignment parameter is specifically changed and optimized for each LED package based on its position and function. By controlling the alignment parameter of polarizing elements in different packages, the system achieves both multi-user adaptability and high picture quality without the mismatch problems of conventional approaches.
3Manufacturing precision
If polarizing LED packages with different alignments are used for left and right eyes, then clear 3D viewing from multiple angles is achieved, but device complexity increases
Solution Approach 1:
The display is segmented into distinct LED packages, each with its own polarizing elements configured for specific alignments. This segmentation simplifies the overall design by allowing each package to be independently optimized and manufactured with precise alignments, reducing the complexity of integrating different alignment types later.
Solution Approach 2:
The system intentionally uses asymmetric configurations of polarizing elements in different LED packages, with left-eye packages having different alignments than right-eye packages. This asymmetric design is built into the fundamental structure of individual packages, making the complexity manageable through standardized asymmetric units rather than complex symmetric arrangements.
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 system provides clear 3D viewing from multiple angles with reduced viewer discomfort by ensuring precise alignment of polarizing elements, enhancing the 3D experience.
Implementation Method 1
each of the LED packages are individually addressable, and include a polarizing element, wherein the polarizing elements of the first left polarizing Light Emitting Diode (LED) package and the second left polarizing Light Emitting Diode (LED) package are configured for a first polarizer alignment
Implementation Method 2
a first left polarizing Light Emitting Diode (LED) package, a first right polarizing LED package, a second left polarizing LED package, a second right polarizing LED package
Data Source
AI summary
A stereoscopic display system has a non-planar display, in which some of the light emitting packages or polarizers are rotated relative to other packages. The out-of-normal orientation provides improved 3D imaging to an observer viewing the display through stereoscopic glasses.