Interactive Display With NFC Positioning for Multi-User Interaction
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Solution Overview
Problem
Conventional touchscreen display panels are limited in their ability to detect multiple points of contact and transmit information beyond visual content, restricting interaction to a small number of users at a time, and lack functionality for advanced applications like check-in, item sales, and location-based services.
Innovation Solution
An interactive display system utilizing near field communication (NFC) devices arranged behind or within the display panel to detect and synchronize with NFC-enabled user devices, enabling simultaneous data exchange and interaction for multiple users, including check-in, item sales, and location-based services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If touchscreen display panels use capacitive or resistive changes to detect touch input, then the location of contact can be detected, but the system can only detect a limited number of points of contact and restrict interaction to a small number of users at one time
Solution Approach 1:
The display panel is divided into multiple independent sensing zones with separate conductive line sets, allowing each zone to independently detect touch inputs. This segmentation enables multiple users to interact with different portions of the display simultaneously, increasing the number of supported users while maintaining manageable detection complexity in each zone.
Solution Approach 2:
The system transitions from detecting only vertical and horizontal conductive line changes to incorporating additional sensing dimensions through proximity sensors and optical sensors. This multi-dimensional approach allows the system to distinguish between multiple touch points and users more effectively, enabling simultaneous interaction from multiple users without significantly increasing overall system complexity.
2Loss of information
If touchscreen display panels only transmit visual content, then the system remains simple, but no additional information beyond visual content is transmitted
Solution Approach 1:
The display panel integrates multiple functions including visual display, touch detection, proximity sensing, and optical sensing within a single system. This multi-functionality allows the panel to transmit both visual content and additional information such as touch location, proximity data, and optical characteristics, reducing information loss while managing complexity through unified hardware design.
Solution Approach 2:
The patent combines visual display capabilities with touch sensing, proximity detection, and optical sensing into an integrated display panel system. By merging these functions into a single unified structure rather than separate components, the system achieves enhanced information transmission capability while controlling overall complexity through shared hardware resources and integrated processing.
3Area of stationary object
If a large touchscreen display panel is used, then more users can be accommodated, but the system can still only interact with a small number of users at one time due to limited contact point detection
Solution Approach 1:
The large display panel is divided into multiple independent sensing zones, each capable of detecting touch inputs separately. This segmentation allows different regions of the large panel to be independently interacted with by different users simultaneously, enabling the system to accommodate multiple users across the extended display area rather than treating it as a single interaction zone.
Solution Approach 2:
Different regions of the display panel are configured with specialized sensing capabilities tailored to their intended use. For example, certain zones may have enhanced touch sensitivity while others have optimized proximity detection. This local quality differentiation allows each region to optimally support user interactions, enabling multiple users to effectively utilize different portions of the large display simultaneously.
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
Enables enhanced user interaction by allowing multiple users to interact with the system simultaneously, facilitating check-in processes, item purchases, and providing location-specific information, thereby expanding the functionality beyond traditional touchscreen limitations.
Implementation Method 1
interactive display system utilizing near field communication (NFC) devices arranged behind or within the display panel to detect and synchronize with NFC-enabled user devices
Data Source
AI summary
Systems and methods for providing interaction between a user device and an interactive display system using near field communications are provided. The interactive display system includes a display panel configured to present visual content and near field communication (NFC) devices behind or within the display panel. The interactive display system detects a user device adjacent to the display panel using at least one of the NFC devices. The interactive display system determines a position relative to the display panel for the user device. The interactive display system exchanges data with the user device based on the position. The interactive display system may receive data that includes displayable information from the user device and present the displayable information on the display panel at or near the position for the user device. The interactive display system may simultaneously interact with more than one user device.