Touch Panel Gas Blocking Layer for Insulation Gas
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Solution Overview
Problem
Touch panels experience quality deterioration due to gases generated from insulation and substrate materials, leading to degradation of optical and electrical properties in sensing electrode patterns and bridge electrodes.
Innovation Solution
A gas blocking layer is introduced between the gas generation layer and sensing electrode patterns or bridge electrodes, utilizing materials like ITO, IZO, ZnO, CNT, graphene, or Ag NW with a thickness of 100 nm or less to block gases and prevent property degradation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If insulation part and substrate materials are used in touch panel, then structural integrity and insulation function are achieved, but gas is generated from these materials causing deterioration of optical and electrical properties
Solution Approach 1:
A gas blocking layer is introduced as an intermediary component between the insulation part/substrate and the sensing electrode patterns. This layer acts as a mediator that allows the structural and insulating functions to be maintained while blocking the harmful gas generated from the insulation materials, thereby preventing degradation of the transparent bridge electrode and sensing electrodes.
Solution Approach 2:
The patent addresses the harmful gas generation from insulation materials by converting this harmful effect into a manageable issue through the gas blocking layer. The layer specifically blocks gas while maintaining transparency and electrical functionality, thus transforming the harmful gas generation into a controlled parameter that does not compromise the overall touch panel performance.
2Illumination intensity
If transparent materials are used for bridge electrode and sensing electrode patterns, then optical properties are maintained, but these materials are susceptible to degradation from generated gas
Solution Approach 1:
The gas blocking layer serves as a protective intermediary between the gas-generating insulation materials and the transparent electrode materials. This layer shields the sensitive transparent electrodes from gas exposure while maintaining the optical transparency required for display functionality, thus preserving both optical and electrical properties.
3Reliability
If gas blocking layer is added to prevent gas-induced degradation, then quality and reliability are improved, but device complexity increases
Solution Approach 1:
The gas blocking layer is implemented as a thin film structure that provides gas blocking functionality without significantly increasing the overall thickness or complexity of the touch panel. This thin film approach maintains the compact structure while delivering the required gas blocking performance, thus improving reliability without excessive complexity increase.
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
The gas blocking layer effectively inhibits gas-induced degradation, enhancing optical properties, improving visibility, and minimizing defective rates in touch panels.
Implementation Method 1
a gas blocking layer between the gas generation layer and the sensing electrode pattern to block a gas generated from the gas generation layer
Data Source
AI summary
Disclosed are a touch panel and a method of manufacturing the same. The touch panel includes a gas generation layer; a sensing electrode pattern on the gas generation layer; a gas blocking layer between the gas generation layer and the sensing electrode pattern to block a gas generated from the gas generation layer.