Encoded Display Panel for Glasses-Free 3D Image Reconstruction
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Solution Overview
Problem
Existing display technologies require special devices like 3D glasses or holographic surfaces to reconstruct 3D images, which are expensive and limited in optical parameters, and do not work with conventional displays.
Innovation Solution
A display panel with encoded optical images that can be selectively reconstructed using variable illumination conditions, allowing optical properties of the image and light source to be modifiable, enabling 3D image reconstruction without additional viewing devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If holographic surfaces or projection techniques are used to reconstruct 3D images, then true 3D image reconstruction is achieved, but the device cost increases and optical parameters are limited
Solution Approach 1:
The patent uses a cryptographic display panel that stores encoded 3D image data, which can be reconstructed by illuminating the panel with light sources. Instead of using expensive holographic surfaces or projection systems, the invention creates optical copies of 3D images through controlled illumination of the encoded panel, achieving true 3D reconstruction with conventional, cost-effective components
Solution Approach 2:
The invention enables dynamic control of illumination parameters (intensity, wavelength, angular distribution) to reconstruct 3D images with variable optical properties. By changing illumination conditions, the system can adjust image brightness, focus, and viewing angles without requiring complex optical hardware, thus overcoming the optical parameter limitations of conventional approaches
2Reliability
If special 3D devices such as 3D glasses or polarizing glasses are used, then 3D rendering is achieved, but the viewing convenience decreases and additional devices are required
Solution Approach 1:
The cryptographic display panel inherently contains the encoded 3D image data and can reconstruct 3D images directly when illuminated. The panel itself performs the 3D rendering function without requiring external 3D glasses or auxiliary devices, making the system self-sufficient and eliminating the need for additional viewing equipment
Solution Approach 2:
The invention extracts the 3D rendering capability from separate auxiliary devices (3D glasses, polarizing filters) and integrates it directly into the display panel through encoded image storage. This consolidation eliminates the need for separate viewing devices and simplifies the overall system architecture
3Device complexity
If conventional displays are used without encoded image storage, then device simplicity is maintained, but 3D image reconstruction and dynamic optical property control are not achievable
Solution Approach 1:
The cryptographic display panel serves multiple functions: it stores encoded 3D image data, reconstructs 3D images through illumination, and enables dynamic control of optical properties by varying illumination conditions. This multi-functionality allows conventional display structures to achieve advanced 3D capabilities without requiring fundamentally different hardware architectures
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
Enables versatile and cost-effective 3D image reconstruction using conventional displays, allowing for variable image properties and dynamic animations without the need for special viewing devices.
Implementation Method 1
When using holography for imaging, displays with a holographic surface are used to direct light, and in combination with projection techniques a true 3D image can be created or the image can itself be directly holographic.
Implementation Method 2
The kind of display panel with which the invention is concerned may sometimes be referred to as a 'cryptographic' display panel, meaning that the or each recorded optical image that is for reconstruction from the panel is encoded therein
Data Source
AI summary
A display panel (1) comprising a body of optical material, the body having at least one optical image recorded therein in an encoded manner, wherein the image is selectively reconstructable and viewable (5, 6, 7) by illuminating the panel (1) using at least one light source (3a, 3b, 3c) under selected illumination conditions, wherein the image is reconstructable and viewable (5, 6, 7) such that at least one first optical property or parameter of the reconstructed image (e.g. its geometry, position in space, colour, its dynamic appearance) is selectable in value from amongst variable values of the at least one first optical property or parameter, or whose value is actively modifiable over time, as a function of or in dependence on the value of at least one second optical property or parameter of the illumination conditions of the at least one light source (e.g. its/their position(s) or spacing(s) relative to the panel (1), its/their colour, brightness/optical intensity, polarisation, direction of light ray propagation, application of a scanning technique to illuminate the panel (1)) which is selectable from amongst variable values thereof or which is actively modifiable in value over time.