Touch Panel Linearity Evaluation System

basic information

● Evaluation of Touch Panel Linearity The linearity evaluation is performed by having a robot trace the surface of the touch panel. ● Real-time Pressure Display High-precision pressure values can be measured using a load cell attached to the robot's end effector. The pressing force (unit: N) is displayed in real-time. ● Touch Panel Response Speed Measurement (Optional) The response time of the screen during touch operations is measured. A high-speed camera captures the moment the robot's end effector touches the panel surface, and image processing is used to measure the time from the touch moment to the start of the screen change. ● Other Features - Create original inspection trajectories with simple scripts - Operate multiple types of panels using the same trajectory pattern - Compatible with various touch panels, including capacitive and resistive types - Display linearity, accuracy, point variation, and recognition rate in numerical, trajectory, and graph formats.

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Applications/Examples of results

It has been introduced to several manufacturers and is used for quality evaluation in touch panel development.

Detailed information

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  Coordinate Position Deviation Display ◆ Linearity Displays how much the reaction point deviates from the straight line connecting the starting and ending points when a line is drawn. The degree of deviation is shown in both graph and numerical form (in pixels). ◆ Accuracy Displays how much the point pressed by the robot deviates from the point that responded. ◆ Hit Point Variability, Recognition Rate Press the same position multiple times and display the number of times the touch panel responded and the variability of the coordinate values.