Touch Input Processing on Curved Displays
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Solution Overview
Problem
Existing electronic devices with curved or flexible displays often experience unintended touch inputs when gripped, leading to processing errors due to the inability to differentiate between intended and unintended touch inputs on the sidewall or rear surfaces.
Innovation Solution
The electronic device is functionally divided into distinct areas, with a determination module identifying the touch input location and a processing module managing inputs based on the device's state, allowing intended inputs to be processed while ignoring or managing unintended inputs, particularly through the use of a lock window mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the display is expanded toward the sidewall area using flexible or curved display technologies, then the display area is increased, but unintended touch inputs frequently occur at the sidewall area when a user grips the electronic device
Solution Approach 1:
The display is divided into multiple regions: a first region (main display area) and a second region (sidewall area). Different touch input processing rules are applied to each region. When a touch input occurs in the second region, the system determines whether to process it based on the current state (e.g., whether an application is running), thereby preventing unintended inputs from disrupting normal operation while allowing intentional inputs to be recognized.
2Adaptability or versatility
If multi-touch processing is enabled to support dual-touch operations, then the device can process touches on two different points, but unintended touch inputs at the sidewall area cause processing errors when the number of inputs exceeds the allowed limit
Solution Approach 1:
Different quality standards are applied to different regions of the display. Touch inputs in the first region are processed with full multi-touch capability, while touch inputs in the second region are processed differently based on system state. This local differentiation allows the system to maintain high reliability by filtering out unintended sidewall inputs while preserving full multi-touch functionality in the main display area.
Data Source
AI summary
An electronic device is provided. The electronic device includes a display having a first area and a second area functionally divided, a determination module configured to determine a location of a touch input, and a processing module configured to process the touch input based on a state of the electronic device, if the location of the touch input is in the second area.