Directional Pixel 3D Display Volumetric Depth
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Solution Overview
Problem
Current 3D image display technologies only provide an illusion of depth, as they project 2D images that require special viewing aids or external devices, and do not allow multiple observers to see different parts of a scene or allow movement around the display without occlusion.
Innovation Solution
The use of directional pixels with constrained viewing angles, independent luminance, and hue, arranged in a three-dimensional array, allowing light to be emitted from a volume and viewed from any angle, with interlaced spaces to minimize occlusion, creating a true 3D image that can be perceived by multiple observers from different positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If stereoscopic displays or autostereoscopic displays are used, then depth perception is provided, but the display only provides an illusion of 3D and requires special viewing aids or external devices
Solution Approach 1:
The patent transitions from 2D display surfaces to true 3D volumetric display by arranging light sources in three-dimensional space. The display volume is defined by dimensions W×H×D, with light sources positioned at coordinates (x,y,z) to create genuine spatial representation rather than projecting 2D images that simulate depth.
Solution Approach 2:
The display volume is segmented into multiple discrete light sources arranged in a three-dimensional array. Each light source acts as an independent element that can be controlled individually, allowing precise positioning of light in 3D space to create the displayed image.
2Device complexity
If a 2D display is used to show 3D images, then device complexity is reduced, but multiple observers cannot see different parts of the scene and movement around the display is blocked by occlusion
Solution Approach 1:
By arranging light sources in three-dimensional space rather than on a 2D surface, the display allows observers to move around the display volume and view the scene from different positions. Each observer sees a different perspective based on their position, enabling true multi-observer functionality without occlusion from a flat screen.
3Manufacturing precision
If directional pixels with constrained viewing angles are used, then light emission is controlled precisely, but device complexity increases
Solution Approach 1:
Each light source in the array is equipped with directional emission characteristics, meaning different portions of the display volume emit light in different directions. This local differentiation of emission properties allows precise control over which observers see which parts of the scene from which positions.
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 solution enables a realistic 3D image display that allows observers to see different parts of a scene and move around it without occlusion, providing true depth perception and minimizing occlusion by using directional pixels with controlled light emission and interlaced spaces.
Implementation Method 1
Each facet has a point source of light that emits light with a controllable luminescence and hue
Implementation Method 2
In an embodiment, each facet has independent polarization
Data Source
AI summary
An image display to provide a realistic 3D stereoscopic image of a desired scene. The display device is comprised of directional pixels. Each directional pixel has a plurality of facets having a constrained viewing angle. Each facet has a point source of light that emits light with a controllable luminescence and hue. In this regard, each facet of the directional pixel has a constrained viewing angle and independent luminance and hue.