What is the difference between a touch display module and a resistive screen?

Touch display modules and resistive screens have significant differences in function, structure, and technology.

A touch display module is an integrated unit that combines touch functionality and display functionality. This type of module allows users to operate intuitively by touching the screen and see corresponding information on the screen. Touch display modules are widely used in various electronic devices such as smartphones, tablets, etc., providing users with a convenient and intuitive interactive experience. It usually includes a touchscreen, a display panel, and the connecting and driving circuits between them. The touchscreen is responsible for receiving the user's touch input, while the display panel is responsible for displaying images and video information.

Resistive touch screens, also known as resistive touch panels, are sensing LCD display devices that receive input signals from touch points. They utilize the principle of resistance to achieve touch functionality. When a user touches the screen, the tactile feedback system on the screen drives the corresponding connecting device based on the position of the touch point. Resistive touch screens typically offer an isolated working environment, are not afraid of dust and moisture, and can be touched with any object, including fingers, pens, etc. Resistive touch screens perform well in terms of accuracy but require a protective film on the outer layer to extend their lifespan.

In summary, a touch display module is an integrated module that combines touch and display functions, while resistive screens are one specific technology for implementing touch functionality. A touch display module may include a resistive screen as its touch component, but it can also use other types of touch technologies. Therefore, when selecting and using them, it is necessary to decide which technology to adopt based on specific needs and application scenarios.