What is the difference between touch screen and display screen? part one

A touch screen is a touch screen. It has no function of displaying images. It is completely transparent and looks like a piece of glass. The display screen (the display screen used with the touch screen is usually a liquid crystal screen, also known as LCD) is used to display images. , cannot sense touch. In general touch devices, an customized LCD screen displays images on the lower side, and a touch screen is covered on top to experience the user's operations.

Simply put, the touch screen is an external screen. As long as it receives the signal when we touch the screen and passes it to the CPU for processing, the display screen is the same as our computer screen. As an internal screen, it mainly displays images. The touch screen can recognize when you point your finger on the screen. The display screen may not be able to recognize it, but it can display images.