Multi-Sensing Display Area Biometric Authentication
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Solution Overview
Problem
Existing display devices lack enhanced security features to effectively authenticate user inputs, particularly in scenarios where multiple biometric inputs are required for secure operation.
Innovation Solution
A display device with a multi-sensing area system, where specific pixels and sensors are activated to sense and authenticate different biometric information (such as fingerprints and palm prints) from various areas of the user's hand, allowing for secure operation based on matched authentication information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single biometric sensor is used for authentication, then the device operation is simple and fast, but the security strength is insufficient
Solution Approach 1:
The display area is divided into multiple sensing areas (first sensing area, second sensing area, etc.), each containing specific pixels and sensors dedicated to detecting biometric information from different regions of the user's hand. This segmentation allows simultaneous multi-point biometric authentication, enhancing security while maintaining operational simplicity through parallel processing
2Reliability
If multiple sensors are activated simultaneously, then the security strength is improved, but the energy consumption increases
Solution Approach 1:
The controller activates pixels and sensors in periodic sequences rather than continuously. The controller allows pixels in the first sensing area to emit light and sensors to operate during a first time period, then activates pixels in the second sensing area during a second time period. This periodic activation reduces overall energy consumption while maintaining security through sequential multi-point authentication
3Adaptability or versatility
If multiple sensing areas are implemented, then the biometric authentication capability is enhanced, but the device complexity increases
Solution Approach 1:
The controller is designed with universal functionality to manage multiple sensing areas and authenticate various types of biometric information (fingerprints, palm prints, hand geometry) from different hand regions. The same controller handles both the first sensing area for fingerprint authentication and the second sensing area for palm print authentication, avoiding the need for separate dedicated controllers for each sensing area and reducing overall system complexity
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 multi-sensing area system enhances the security strength of the display device by requiring multiple biometric authentications, thereby improving the reliability and security of user interactions.
Implementation Method 1
allowing a first pixel among the plurality of pixels to emit a light
Implementation Method 2
sensing, at a first sensor among the plurality of sensors, first biometric information from the external input
Implementation Method 3
allowing a second pixel among the plurality of pixels to emit a light
Implementation Method 4
sensing, at a second sensor among the plurality of sensors, second biometric information different from the first biometric information
Data Source
AI summary
In a method of controlling a display device, the display device including a display panel in which a display area is defined and including a plurality of pixels and a plurality of sensors, and an input sensing layer on the display panel and sensing an external input, the method includes allowing a first pixel of a first sensing area to emit a light, sensing first biometric information, matching the first biometric information with stored first authentication information, allowing a second pixel of a second sensing area to emit a light, sensing second d biometric information, matching the second biometric information with stored second authentication information, and driving the display panel.