As we all know, for touch display devices, in terms of touch mode, there are mainly capacitive screens, resistive screens, infrared touch screens and surface sound screens in the market, among which capacitive screens and resistive screens are more favored by users of touch display devices. The significant difference between the capacitive screen and the resistive screen is that the capacitive screen can achieve multi-touch, while the resistive screen is one-touch. Based on the larger demand of industrial display users on the capacitive screen, what are the advantages or advantages of industrial display capacitive touchscreen?
1. The technical principle of capacitive touch screen.
The capacitive touch screen reacts through an electric current, and it does not need pressure to generate a signal. To put it simply, the screen is divided into blocks, and a set of mutual capacitance modules in each area work independently, so the capacitive screen can independently detect the touch of each area, and after processing, it can achieve multi-touch.
For the demand of industrial display, most users also prefer the choice of capacitive touch screen. Like the series of tactile intelligent industrial displays, on the capacitive touch screen, it not only supports ten-point touch, but also has outstanding electrostatic anti-interference performance, which makes it more advantageous in scenarios such as power cabinets.
2. Advantages of capacitive touch screen.
a. Simple correction.
The capacitive touch screen can be installed and used only once or without correction after production, while the resistance technology needs conventional correction. After the capacitive touch screen is installed in the industrial display, the touch display manufacturer will simply touch it to check whether the screen is well connected to the internal components of the machine.
b. Longer service life.
The capacitive touch screen of an industrial display has a longer service life because the components in the capacitive touch screen do not need to move. In a resistive touch screen, the upper ITO film needs to be thin enough to be elastic so that it bends downward to contact the lower ITO film.
c. Better power consumption.
From the perspective of touch technology, capacitance technology is better than resistance technology in light loss and system power consumption, so this is also reflected in the advantages of capacitive touch screen in industrial display.
d. Routine operation is more convenient.
For the choice of touch mode of industrial display, users need to consider the application scene of the device, and the choice of capacitive screen or resistive screen mainly depends on the object of the touch screen. If it is finger touch, the capacitive touch screen is a better choice. If you need a stylus, whether it's plastic or metal, the resistive touch screen can do the job. The capacitive touch screen can also use a stylus, but a special stylus is needed to match it.
e. Small and medium-sized equipment is more suitable.
For the capacitive touch screen, the large-size screen can achieve surface capacitive touch, but it can not support gesture recognition at present. As a result, inductive capacitive touch screens are now mainly used in 7-21.5-inch small and medium-sized touch display devices, such as industrial displays and industrial (Android) all-in-one machines, and can support gesture recognition.
f. Low maintenance cost.
Because the capacitive touch screen of industrial display uses more fingers to touch, the damage to the screen is very small, and the capacitive technology itself has the characteristics of wear resistance and long life, so the maintenance cost of users is also low. it can be said that it has helped users to save a lot of operating expenses.
g. More responsive.
Based on the technical principle of capacitive screen multi-touch control, the industrial display capacitive screen touches more than 50 million times, the response time is less than 15ms, and the screen error is less than 1%. The screen response similar to the sensor is more sensitive and makes the user feel better in the process of use.
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