1. Front panel: Usually a transparent glass or plastic plate that serves as the interface for the user to contact the screen.
2. Sensors: including pressure sensing, capacitive sensing, resistance sensing, etc., used to induce the user's operation.
3. Controller: It is generally a chip that processes the signal from the sensor and converts it into a code that the computer can recognize.
4. Drive circuit: responsible for sending out driving signals and controlling the work of sensors.
5. Backlight module: provide backlight effect to make the screen display more beautiful.