How Much Do You Know About Capacitive Touch Screens Glass?

The Working Principle Of Capacitive Touch Screens Glass

There are many electronic products around, so we often come into contact with capacitive touch screens. I wonder if you know about it? It doesn’t matter if you don’t understand, let’s take a look today. Capacitive touch screens use the current induction of the human body to work. The capacitive touch screens glass is a four-layer composite glass screen. The inner and outer surfaces of the glass screen and the interlayer are each coate with a layer of ITO. The outermost layer is a thin layer of silica glass protective layer, and the interlayer ITO coating is used as the working surface. Four electrodes are drawn on the four corners, and the inner ITO is a shielding layer to ensure an outstanding working environment.

When the finger touches the metal layer, because of the electric field of the human body, the user and the surface of the touch screen form a coupling capacitor. For high-frequency currents, capacitors are direct conductors. So the finger draws a small current from the contact point. This current flows from the electrodes on the four corners of the touch screen. And the current flowing through these four electrodes is proportional to the distance from the finger to the four corners. The controller obtains the position of the contact point by accurately calculating the four current shares.

The Advantages Of Capacitive Touch Screens Glass Are As Follows:

1. Capacitance technology is superior to resistance technology in terms of light loss and system power consumption.
2. Choosing capacitance skills or resistance skills mainly depends on the object that touches the screen. If you touch a finger, a capacitive touch screen is a better choice. If you need a stylus, whether it is plastic or metal, a resistive touch screen can be used. Capacitive touch screens can also use a stylus, but a special stylus is required to cooperate.
3. You can use appearance capacitive type for large-scale touch screens. And the correlation is low, but it cannot support gesture recognition nowadays. We maily use the inductive capacitive type for small and medium-sized touch screens. And can support gesture recognition.
4. Capacitive technology is wear-resistant, long-life, and low-cost protection when used by users. Therefore, the overall operating expenses of the manufacturer can be further reduced.
5. Capacitive touch screen is able to support multi-touch skills. And unlike resistive touch screens, the response is slow and not easy to wear.

Dingtouch Touch Panel Manufacturer

Dingtouch as a professional touch screen manufacturer with more than 10 years touch screen experience.We are welcome to customize your touch screen .Here are some of our standard product . Such as 7 inch touch screen, 10.1 inch touch screen ,15 inch touch screen,15.6 inch touch screen,17 inch touch screen,17.3 inch touch screen,18.5 inch touch screen,19 inch touch screen,21.5 inch touch screen, 23.6 inch touch screen,23.8 inch touch screen,27 inch touch screen.Contact our team today to buy a capacitive touch screen are best for our retail business needs.

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