Single Type Touch Panel Structure Using Transferable Conductive Film
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Solution Overview
Problem
The manufacturing process of conventional single-type touch panels is complex and costly, with diverse materials and procedures, leading to low yield and high production costs.
Innovation Solution
A manufacturing method for a single-type touch panel that involves configuring a transparent metal oxide layer on a substrate, patterning it to form an electrode pattern, and using a transferable transparent conductive film to create sensing electrode layers, simplifying the process and reducing complexity by eliminating the need for additional coating and etching steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional film-coating process is used to form axial sensing layers, then the touch panel can be manufactured, but the manufacturing procedures become complicated and costly
Solution Approach 1:
The patent extracts the transparent conductive layer from the substrate and transfers it to a separate transfer substrate. This separation allows the sensing layer to be formed independently through printing processes rather than complex film coating, thereby simplifying the overall manufacturing procedure while maintaining touch panel functionality.
Solution Approach 2:
The patent introduces a transfer substrate as an intermediary carrier. The transparent conductive layer is first formed on this transfer substrate, then transferred to the final touch panel substrate. This intermediary approach enables simpler printing-based formation of the conductive layer while ensuring proper positioning and integration into the final product.
2Reliability
If multiple film-coating procedures are used to form sensing layers, then the touch panel structure can be achieved, but the manufacturing cost increases
Solution Approach 1:
The patent replaces the mechanical film-coating process with a printing-based approach. The transparent conductive layer is formed by printing conductive ink patterns on the transfer substrate, which is then transferred to the final substrate. This substitution reduces material waste and processing steps, thereby lowering manufacturing costs while maintaining structural integrity.
Solution Approach 2:
The patent creates a copy of the transparent conductive layer on the transfer substrate before transferring it to the final substrate. This copying approach allows for precise pattern formation through printing techniques, reducing the need for multiple coating layers and associated materials, thus decreasing overall manufacturing cost.
3Manufacturing precision
If diverse materials are prepared for film-coating, then the sensing layers can be formed, but the manufacturing difficulty increases
Solution Approach 1:
The patent changes the formation method parameter from film-coating to printing. Instead of requiring multiple coating materials and processes, the transparent conductive layer is formed by printing conductive ink with controlled patterns. This parameter change simplifies material preparation while maintaining manufacturing precision through controlled ink deposition and transfer processes.
4Productivity
If conventional manufacturing procedures are used, then the touch panel can be produced, but the yield cannot be effectively improved
Solution Approach 1:
The patent performs preliminary formation of the transparent conductive layer on a separate transfer substrate before final assembly. This preliminary action allows for defect-free pattern formation through printing, and the subsequent transfer process ensures precise alignment and integration, thereby improving overall manufacturing yield while maintaining high production output.
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 method simplifies the manufacturing process, reduces costs, and increases yield by using transferable transparent conductive films to form axial sensing electrode layers, while also enhancing the touch panel's bending function and reducing overall thickness for lighter products.
Implementation Method 1
A transferable transparent conductive film is thermally laminated onto the first electrode pattern so that a photo sensitive layer of the transferable transparent conductive film is sandwiched between the transparent metal oxide layer and a transparent conductive coating layer
Data Source
AI summary
A manufacturing method of a single type touch panel structure includes steps as follows. A transparent metal oxide layer is configured on a substrate. The transparent metal oxide layer is patterned to form a first electrode pattern on the substrate. A transferable transparent conductive film is thermally laminated onto the first electrode pattern so that a photo sensitive layer is sandwiched between the transparent metal oxide layer and a transparent conductive coating layer. The transferable transparent conductive film is patterned for mutually forming a second electrode pattern on the transparent conductive coating layer and one surface of the photo sensitive layer adjoining the transparent conductive coating layer.