How A Touch Screen Works

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Touch screens are widely used, ranging from mobile phones, tablets, laptops, to televisions, and displays in public places such as navigation and shopping guides, all without his presence.

In mobile phone products, the use of touch screen handwriting input, camera and other functions has almost become 'standard'. The advantage of touch screen is that it is easy to operate, and the control system equipped with touch screen is more intuitive, simple and easy to operate. Other objects: touch the touch screen installed at the front of the display screen, and then the system determines the selection information input according to the icon or menu position touched by the finger.

How the touch screen works

The touch screen is composed of a touch detection part and a controller. The touch detection part is installed in front of the display screen to detect the user's touch position, and then send it to the touch screen controller. The main function of the touch screen controller is to receive touch from the touch point detection device. The information is converted into touch point coordinates, and then sent to the CPU to receive, and the commands sent by the CPU are executed.