NFC Antenna Integrated Into Touch Screen Display
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mobile wireless communication devices face challenges in integrating Near Field Communication (NFC) antennas into compact designs without increasing cost or thickness, as they often require additional layers for NFC components.
Innovation Solution
The integration of the NFC antenna within the touch screen display, specifically etched into the indium tin oxide (ITO) touch pattern, eliminates the need for an extra antenna layer, reducing the overall product thickness and cost while maintaining functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If NFC antenna is integrated within the touch screen display, then device thickness is reduced and cost is reduced, but manufacturing complexity increases
Solution Approach 1:
The NFC antenna is merged with the touch screen display by etching the antenna pattern directly into the ITO layer that forms the touch sensor pattern. This integration eliminates the need for separate antenna layers and reduces overall device thickness while consolidating multiple functions into a single structural layer.
Solution Approach 2:
The ITO layer serving as the touch sensor pattern is given dual functionality by incorporating the NFC antenna pattern within it. This allows the same material layer to perform both touch sensing and NFC communication functions, reducing the need for additional components and layers.
2Length of stationary object
If NFC antenna is integrated within the touch screen display, then device thickness is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The NFC antenna pattern is combined with the touch sensor pattern in the same ITO layer, allowing both patterns to be created simultaneously through a single etching process. This approach reduces the cumulative precision requirements compared to creating separate layers and then aligning them.
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 allows for a more compact and cost-effective integration of NFC technology within mobile devices, enhancing their usability and performance in confined spaces without compromising on functionality.
Implementation Method 1
Near Field Communications technology is commonly used for contactless short-range communications based on radio frequency identification (RFID) standards, using magnetic field induction to enable communication between electronic devices
Implementation Method 2
The integration of the NFC antenna within the touch screen display, specifically etched into the indium tin oxide (ITO) touch pattern
Data Source
AI summary
A communications device includes a housing and a wireless transceiver and processor carried by the housing and operative with each other. A Near Field Communications (NFC) circuit is carried by the housing and coupled to the processor. A touch screen display is connected to the processor. An NFC antenna is integrated with the touch screen display and coupled to the NFC circuit.