Display Module for Security Documents with Visual Feedback
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Solution Overview
Problem
Existing value or security documents with integrated transponder circuits face challenges in user-friendly contactless data exchange and lack effective, cost-efficient, and easily recognizable security features that can be individualized and securely integrated within the document layers.
Innovation Solution
Incorporating a display module with a display carrier, antenna conductor track, and display element into the document, allowing for electromagnetic field detection and visual signaling of data exchange processes, while also encoding information through the module's design and location-dependent transmission, enhancing both user experience and security features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If contactless data exchange is implemented in value or security documents, then data exchange convenience is improved, but user-friendliness deteriorates because users cannot quickly identify causes of malfunction
Solution Approach 1:
The patent applies feedback by providing visual signals through display elements that show the status of data exchange processes. The display module provides real-time feedback to users about whether the transponder circuit is being read, whether data is being written, or if an error has occurred, making the automated process transparent and understandable to users.
Solution Approach 2:
The display module acts as an intermediary between the automated transponder circuit and the user. It translates the invisible electromagnetic data exchange into visible visual signals, bridging the gap between the automated technical process and human understanding.
2Reliability
If new security features are added to protect against forgery, then security is improved, but manufacturing complexity increases
Solution Approach 1:
The display module serves multiple functions: it provides visual feedback for data exchange status and simultaneously acts as a security feature through its integrated design within the transponder circuit. The same structural elements that enable data exchange also create recognizable patterns and configurations that can verify document authenticity.
Solution Approach 2:
The patent merges the display function with the transponder circuit into a single integrated module. This combination eliminates the need for separate security features, as the display module itself becomes both a functional component and a security element, reducing overall manufacturing complexity.
3Adaptability or versatility
If display module is integrated into document blank, then novel functionality is achieved, but manufacturing precision requirements increase
Solution Approach 1:
The display module is designed and prepared in advance as a pre-assembled unit with the transponder circuit integrated before insertion into the document blank. This preliminary preparation allows for quality control and adjustment to be performed on the module itself, reducing the precision requirements for the final integration step into the document.
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
Improves user-friendliness of data exchange processes and introduces cost-effective, easily recognizable security features that can be individually customized, providing enhanced authenticity verification and protection against forgery.
Implementation Method 1
the at least one display module has at least one display circuit with at least one antenna conductor track and with at least one display element electrically connected to it
Data Source
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AI summary
To create novel types of security features, a display module (300) is provided, which can be integrated into a blank of a value document or security document (100) and which has a display carrier (330) and at least one display circuit (305) arranged on the display carrier (330). The at least one display circuit (305) is formed by at least one antenna conductor strip (310) and at least one display element (320) electrically connected to the at least one antenna conductor strip (310). The at least one antenna conductor strip (310) and/or the contour (335) of the display module (300) have configurations which respectively code information.