Rollable Display Control Using Fingerprint and Touch Input
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Solution Overview
Problem
Existing rollable display devices require separate inputs for changing lock modes and extension states, leading to a cumbersome user experience.
Innovation Solution
A controller that integrates fingerprint and touch information to simultaneously change the lock mode and extension state of a rollable display device by combining fingerprint authentication and touch input conditions, allowing a single input motion to achieve both changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate inputs are used for changing lock modes and extension states, then the device can perform these functions independently, but the user experience becomes cumbersome and operation complexity increases
Solution Approach 1:
The patent combines fingerprint authentication and touch input into a unified interaction mechanism. When a user provides a fingerprint input on the display surface, the system simultaneously authenticates the user and detects the touch location to determine both lock mode changes and extension state changes, merging two separate operations into one action
Solution Approach 2:
The display surface serves multiple functions: it acts as both a fingerprint authentication sensor and a touch input interface. The same physical interaction (fingerprint placement) triggers both biometric verification and input signal detection, allowing the system to perform authentication, lock mode switching, and display extension control through a single universal input mechanism
2Ease of operation
If a single unified input action is used to change both lock mode and extension state, then ease of operation improves, but the system complexity increases due to integrated processing requirements
Solution Approach 1:
The system segments the processing into distinct functional modules: a fingerprint authentication module that verifies user identity, a touch input detection module that identifies input location and intent, and a control module that integrates both signals to determine the appropriate lock mode and extension state changes. This segmentation allows complex processing to be organized into manageable, independent functions
Data Source
AI summary
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a controller of a user device having a rollable display device may obtain fingerprint information associated with a user interaction with a contact area of the rollable display device. The controller may obtain touch information associated with the user interaction with the contact area of the rollable display device. The controller may output, based on the fingerprint information and the touch information, actuation information that causes actuation of a display extending component of the rollable display device to change an extension state of the rollable display device. Numerous other aspects are described.