Decorative Film Structure with Integrated Pattern Layer
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Solution Overview
Problem
Existing decorative films are relatively thick due to the presence of a substrate supporting the decorative layer, which limits their overall thickness and requires complex shaping processes.
Innovation Solution
A decorative film structure comprising a bearing layer, an adhesive layer, and a pattern layer with integrated pattern structures, eliminating the need for a substrate and allowing for a single-layer pattern layer, thereby reducing the overall thickness and simplifying the shape requirements of the bearing layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a substrate is provided to support the decorative layer, then the decorative film has structural stability, but the overall thickness of the decorative film increases
Solution Approach 1:
The patent extracts and removes the substrate from the traditional multi-layer decorative film structure. The decorative film is reconfigured to consist only of the decorative layer adhered directly to the bearing layer via an adhesive layer, eliminating the substrate component entirely while maintaining structural stability through the adhesive bonding mechanism.
2Reliability
If a multi-layer structure with substrate is used, then the decorative layer is well-supported, but the manufacturing process becomes complex
Solution Approach 1:
The substrate is extracted from the multi-layer structure, simplifying the manufacturing process. The decorative layer is now supported directly by the bearing layer through adhesive bonding, eliminating the need for substrate integration steps and reducing overall manufacturing complexity while maintaining reliable support.
3Strength
If a substrate is included in the decorative layer structure, then the decorative film has sufficient strength, but the overall device thickness increases
Solution Approach 1:
The substrate is removed from the structure, and the strength requirement is met through the adhesive layer bonding the decorative layer to the bearing layer. This extraction eliminates the thickness contribution of the substrate while maintaining sufficient strength through the adhesive bonding mechanism.
4Stability of the object's composition
If a traditional multi-layer structure is used, then the decorative layer is stable, but the adhesion process requires high shape precision of the bearing layer
Solution Approach 1:
The substrate is extracted from the structure, simplifying the adhesion process. The decorative layer is now adhered directly to the bearing layer, which reduces the shape precision requirements compared to integrating multiple layers including a substrate. The adhesive layer provides stable bonding without requiring complex bearing layer geometry.
Data Source
AI summary
Embodiments of this application disclose an apparatus having a decorative pattern. The apparatus comprises: a bearing layer having a first surface and a second surface opposite to each other; an adhesive layer provided on the first surface of the bearing layer; and a pattern layer provided on a surface in of the adhesive layer away from the bearing layer and the pattern layer comprising a body and a pattern structure integrated with the body. With the technical solution disclosed in the embodiments of this application, an overall thickness of the apparatus may be reduced.