3D Layered Foil Assembly With 2D Projection for Visual Depth
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Solution Overview
Problem
Existing decorative elements with three-dimensional structures require excessive material processing to achieve a visually deep impression, leading to inefficiencies in material usage and production complexity.
Innovation Solution
A layered arrangement comprising a film layer with optical information and a three-dimensionally structured layer, where the structured layer is formed by a thermoplastic polymer with a visual brightness of ≥ 10%, and the film is bonded to the structured layer to create a two-dimensional projection of the three-dimensional structure, enhancing the visual depth with reduced material thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If 2D images are used to represent 3D objects, then the representation is simple and easy to process, but the depth information and spatial relationships are lost
Solution Approach 1:
The patent applies dimensionality change by representing 3D spatial relationships through 2D image coordinates and depth values. Instead of using full 3D coordinates (x, y, z), the system uses 2D image coordinates (u, v) combined with depth information (z) to represent points in space. This allows the system to work with 2D images while preserving depth information through the depth value associated with each point, effectively solving the contradiction between simplicity and information completeness.
2Loss of information
If multiple 2D images are processed to reconstruct 3D structure, then depth information can be recovered, but the processing complexity and computational requirements increase significantly
Solution Approach 1:
The patent uses copying by creating a simplified 3D model representation from multiple 2D images. Instead of performing complex full 3D reconstruction, the system creates a copy of the essential 3D structure information (points with coordinates and depth values) that can be used for further processing. This copying approach allows depth information to be recovered without requiring the full complexity of traditional 3D reconstruction systems.
3Manufacturing precision
If traditional 3D reconstruction methods are used, then accurate 3D models can be obtained, but the processing time and computational resources required are excessive
Solution Approach 1:
The patent applies extraction by taking out only the essential 3D information needed from the images rather than performing complete 3D reconstruction. The system extracts points, their 2D coordinates, and depth values directly from multiple images, creating a simplified 3D representation that contains the necessary spatial information without the computational overhead of traditional reconstruction methods. This selective extraction maintains accuracy for the required applications while significantly reducing processing time.
Data Source
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AI summary
The present invention relates to a layer arrangement, having: a foil layer (100) provided with optical information, and a three-dimensionally structured layer (200) having a smooth side (210) and a structured side (220) opposite the smooth side (210), wherein the structured side (220) has at least one face (230) which is not coplanar with the smooth side (210) and faces a previously defined reference location (400), and the structured side (220) has at least one face (235) which is not coplanar with the smooth side (210) and faces away from the previously defined reference location (400). The three-dimensionally structured layer (200) is formed by a thermoplastic polymer which has an optical haze Ty (D65/10°) according to ASTM D1003 of ≥ 10% with a layer thickness of 4 mm. The foil layer (100) provided with optical information is connected to the structured side (220) of the three-dimensionally structured layer (200). The foil layer (100) provided with optical information is printed with at least one part of a two-dimensional projection (500) of the three-dimensionally structured layer (200), and the projection (520) of the at least one face (230) facing the reference location (400) is shown differently on the foil layer (100) provided with optical information than the projection (530) of the at least one face (235) facing away from the reference location (400).