The touch industry includes the touch screen industry, the touch module industry, and the fingerprint recognition industry that has risen rapidly in recent years. All kinds of products are the results of further processing based on touch screen production. Smart electronic consumer mobile phones, tablet computers, etc. have become common carriers for information transmission and reading. While carrying more and more user information, people have put forward higher requirements for the touch control industry.
The touch screen is essentially a sensor and usually consists of two parts: a touch detection device and a touch screen controller. The touch detection device is embedded on the display to detect the user's touch action and transmit the touch action information to the touch screen controller; the touch screen controller determines the position of the touch point by processing the touch action information, and converts it into coordinate data and transmits it to the host , and at the same time receive the command sent by the host and execute it.
Since its birth in 1974, touch screen technology has continued to develop and innovate, and types of touch screens that meet different industries and needs have emerged. At present, it has been widely used in mobile phones, tablet computers, finance, retail, industrial control, entertainment and catering, public information query and Education system and other fields have brought great convenience to people's lives.