E-paper Display Locking Mechanism for Secure Information Protection
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Solution Overview
Problem
Current security mechanisms for electronic devices and sensitive information are complex, expensive, and confusing, failing to effectively protect information from unauthorized access while allowing users to identify the type of content without displaying it.
Innovation Solution
Implementing a locking mechanism using e-paper or e-ink displays that obscure content with distortion techniques like blurring or pixel manipulation, allowing users to identify the type of document or card while requiring authentication for clear display, applicable to various devices including smartphones, credit cards, and identification documents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If security mechanisms are implemented to protect sensitive information on electronic displays, then security protection is improved, but device complexity increases
Solution Approach 1:
The patent introduces an intermediary layer (transparent security film or software overlay) that sits between the user and the sensitive information on the display. This intermediary applies distortion effects such as blurring, pixel manipulation, or geometric transformation to obscure the information without requiring complex hardware modifications. The intermediary can be activated or deactivated based on authentication status, providing security while maintaining simplicity of the underlying display system.
2Reliability
If sensitive information is completely hidden for security, then security protection is improved, but ease of operation deteriorates because users cannot identify the type of content
Solution Approach 1:
The patent applies local quality by differentiating the treatment of different regions or aspects of the information. The security distortion is applied selectively to sensitive portions of the display while allowing non-sensitive areas to remain visible. Alternatively, the distortion parameters can be adjusted locally to provide different levels of obscurity for different types of information, enabling users to identify document types or categories without exposing confidential details.
3Reliability
If traditional security layers are added to cards and devices, then security protection is improved, but device complexity and cost increase
Solution Approach 1:
The patent replaces complex mechanical or physical security layers (such as transparent security films, holographic overlays, or multi-layer card structures) with software-based distortion techniques implemented on electronic displays. This substitution eliminates the need for additional physical components while achieving comparable or superior security effects. The software implementation can be updated remotely and adapted to different display types without requiring hardware changes.
Data Source
AI summary
In one embodiment, the present invention includes a method for receiving in a persistent electronic display an authentication code from an end user, determining whether the received authentication code corresponds to a stored authentication code, and displaying a selected image on the persistent electronic display if the received authentication code corresponds to the stored authentication code, and otherwise displaying an obscured image on the persistent electronic display. This obscured image may be in an unreadable format in which information of the selected image is unreadable but a type of document represented by the selected image is determinable. Other embodiments are described and claimed.