Multi-function Touch Panel for Simultaneous 3D Signal Detection
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Solution Overview
Problem
Current touch panel technologies require separate components for pressure and plane position detection, leading to inefficiencies in space usage and process complexity for 3D-signal input.
Innovation Solution
A touch 3D-signal input equipment with signal sensing units arranged on a substrate, connected via input and output wires to a signal processing unit, enabling simultaneous detection of touch strength and position using resistance or capacitance variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate pressure sensor and touch sensor are used to detect pressure and plane position, then detection accuracy is improved, but device complexity and space usage increase
Solution Approach 1:
The patent combines the pressure sensing function and touch position sensing function into a single integrated touch panel. The touch panel simultaneously detects both pressure magnitude and plane position coordinates through one unified sensing mechanism, eliminating the need for separate pressure sensors and touch sensors. This merging reduces device complexity and space requirements while maintaining detection accuracy.
Solution Approach 2:
The touch panel is designed with multi-functionality to perform both pressure detection and position detection simultaneously. The same touch panel structure serves multiple purposes: it detects the plane position where a user touches the screen and also measures the pressure magnitude applied, making it a universal sensing device that replaces multiple specialized components.
2Measurement precision
If separate pressure sensor and touch sensor are used to detect pressure and plane position, then detection accuracy is improved, but material usage and production cost increase
Solution Approach 1:
The patent merges the sensing functions into a single touch panel structure, reducing the total number of components and materials required. Instead of using separate pressure sensors and touch sensors that would require multiple layers of films, electrodes, and supporting structures, the integrated design uses a unified sensing layer that achieves both detection functions simultaneously, thereby reducing material consumption.
3Reliability
If resistive film or piezoelectric film is used as pressure sensor, then pressure detection capability is improved, but process complexity and manufacturing difficulty increase
Solution Approach 1:
The patent integrates the pressure sensing function directly into the touch panel structure, eliminating the need for separate resistive film or piezoelectric film layers. The unified sensing mechanism uses a simplified structure that combines both position and pressure detection in a single manufacturing process, reducing the number of production steps and simplifying manufacturing while maintaining reliable pressure detection capability.
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
This solution combines touch and pressure sensing into a single device, reducing material usage and enhancing user experience by extending product functionality while maintaining accurate 3D-signal detection.
Implementation Method 1
Signal scanning is performed sequentially or simultaneously to detect a resistance or a capacitance of the deformed signal sensing units, and compare the resistance or the capacitance to the reference
Implementation Method 2
Signal scanning is performed sequentially or simultaneously to detect a resistance or a capacitance of the deformed signal sensing units, and compare the resistance or the capacitance to the reference
Data Source
AI summary
A touch 3D-signal input equipment and a multi-function touch panel are introduced. The touch 3D-signal input equipment includes a substrate, a plurality of signal sensing units, a plurality of input wires, and a plurality of output wires. The signal sensing units are arranged in array on the substrate to detect a plane position and a pressure magnitude of a touch signal simultaneously. The input wires and the output wires are electrically connected to any one of the signal sensing units and a signal processing unit, respectively. The touch 3D-signal input equipment can detect touch position and magnitude of the touch strength at the same time, achieving three dimensional (3D) signal input recognition.


