Capacitive Touch Panel Bridging Structures for Flexible Output Cable Positioning
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Solution Overview
Problem
Conventional manufacturing processes for capacitive touch control panels require redesigning masks whenever the position of the output cable module changes, leading to increased manufacturing costs due to the need for frequent adjustments.
Innovation Solution
A method involving the formation of a sensing circuit and a conductive communicating structure on a substrate, with bridging structures connecting the sensing electrodes to the communicating structure, allowing for the creation of output cables through laser cutting, enabling flexible positioning of output cables without requiring mask redesigns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the output cable module position is changed based on client requirements, then the adaptability of the touch control panel is improved, but the manufacturing cost increases due to mask redesign
Solution Approach 1:
The communicating structure is divided into multiple independent output cable modules, each capable of being independently positioned and connected. This segmentation allows different output cable modules to be arranged at different positions on the same side of the substrate without requiring mask redesign, as each module can be independently configured during the laser cutting process
Solution Approach 2:
The patent introduces a dynamic positioning mechanism where the output cable modules can be arranged at different positions based on client requirements. The laser cutting process enables flexible positioning of the communicating structure without requiring physical mask changes, allowing the same mask to accommodate multiple position configurations through software control of the laser cutting paths
2Manufacturing precision
If the mask is redesigned to accommodate different output cable module positions, then the manufacturing precision is maintained, but the production time and complexity increase
Solution Approach 1:
The patent uses a digital copy of the mask design that can be dynamically adjusted through software control of the laser cutting process. Instead of physically redoning masks for different positions, the same mask design is digitally copied and the laser cutting paths are programmatically adjusted to create output cable modules at different positions, maintaining manufacturing precision while eliminating physical mask redesign
Solution Approach 2:
The patent changes the positional parameters of the output cable modules through the laser cutting process without changing the mask itself. By adjusting the laser cutting parameters (position, speed, pattern) based on client requirements, the same mask can produce different output cable module configurations, maintaining manufacturing precision while reducing process complexity
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 approach reduces manufacturing costs by allowing for flexible adjustment of output cable positions based on client requirements without the need to change the mask, facilitating efficient and cost-effective production of capacitive touch control panels.
Implementation Method 1
removing a portion of the communicating structure by laser cutting to form a plurality of output cables
Data Source
AI summary
A method for manufacturing capacitive touch control panel and a capacitive touch control panel are provided. The method includes forming a sensing circuit on a substrate and then forming a communicating structure on the substrate. The communicating structure is conductive, and is disposed to be near at least two adjacent side walls of the substrate. A gap is formed between the communicating structure and the plurality of the sensing electrodes that are near the communicating structure. The next step is to form a plurality of bridging structures for connecting the plurality of the sensing electrodes and the communicating structure. The last step is to remove a portion of the communicating structure by laser cutting to form a plurality of output cables.