Stimuli-Sensitive Display Screen with Multi-Level Touch Detection
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Solution Overview
Problem
Conventional touchscreens require multiple touches to select or activate functions, which can be burdensome for users over time, and lack multiple detection modes to distinguish between light and heavy touches.
Innovation Solution
A Stimuli-Sensitive Display Screen (SSDS) with multiple detection modes, incorporating at least two sensor arrays that can detect different types of stimuli, such as touch-sensitive, proximity-sensitive, and light-sensitive arrays, allowing for distinct actions based on varying pressure levels or proximity, enabling easier function selection and activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple touches are required to select or activate functions on a touchscreen, then the touchscreen can distinguish between different user intentions, but the user workload and operation time increase significantly
Solution Approach 1:
The patent changes the detection parameter from binary (touch/no touch) to multi-level (light touch vs. heavy touch). By measuring the magnitude of pressure applied to the touchscreen, the system can distinguish between selection (light touch) and activation (heavy touch) actions, eliminating the need for multiple sequential touches and reducing operation time while maintaining function selection accuracy
2Device complexity
If a single detection mode is used in the touchscreen, then the device complexity is low, but the touchscreen cannot distinguish between light and heavy touches
Solution Approach 1:
The patent enhances the detection capability by measuring the magnitude parameter of touch pressure. A single sensor array can detect both light and heavy touches by thresholding the pressure magnitude, providing touch differentiation capability without increasing device complexity through multiple sensor types
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 SSDS reduces user workload by allowing single-touch operations for selection and activation, providing intuitive interaction and reducing fatigue through differentiated responses to light and heavy touches.
Implementation Method 1
The sensor array can be a touch-sensitive sensor array, a proximity-sensitive sensor array, or a light-sensitive sensor array
Data Source
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AI summary
According to an example embodiment a display screen includes a first sensor array that is operable to detect a first external stimulus that meets a first detection criteria, and a second sensor array that is operable to detect a second external stimulus that meets a second detection criteria, the second detection criteria quantitatively different from the first detection criteria.