Maclight Display – China Best TFT LCD Capacitive Touchscreen
We are good at ODM and OEM, product specification,LOGO and packaging can be customized. We are good at the development of display module in the industrial field and provide the total solution of TFT LCD capacitive touch screen. Our products can support long-term supply,Maximum supply cycle is 5-10 years. We combine touch screen technology with LCD display module, which greatly saves your cost. Perfect after-sales service will be one of the reasons why you choose us.
The current technology is even better than we imagined. Why do you say that! Because it is more convenient to use, it does not require any experience, our TFT LCD capacitive touchscreen is the same, so what does the TFT capacitive touchscreens rely on to achieve multi-touch!
Capacitive screens need to realize multi-touch by increasing the electrodes of mutual capacitance. Simply put, the screen is divided into blocks. A set of mutual capacitance modules in each area work independently, so the capacitive screen can be independent The touch condition of each area is detected and processed, and multi-touch is simply realized.
The capacitive technology touch panel CTP uses the current induction of the human body to work. The TFT LCD capacitive screen is a four-layer composite glass screen. The inner surface and the interlayer of the glass screen are each coated with a layer of ITO (Nano Indium Tin Metal Oxide). The outermost layer is a protective layer of silica glass with a thickness of only 0.0015mm, and an interlayer ITO coating. As the working surface, four electrodes are drawn from the four corners, and the inner ITO is the screen layer to ensure the working environment.
When the user touches the TFT capacitive screen, due to the electric field of the human body, the user’s finger and the working surface form a coupling capacitor. Because of the high-frequency signal connected to the working surface, the finger absorbs a small current, which flows from the four corners of the screen. In theory, the current flowing through the four electrodes is proportional to the distance from the finger tip to the four corners. The controller calculates the position of the four current ratios accurately. It can reach 99% accuracy and has a response speed of less than 3ms.
If you want to know more about TFT capacitive touch screens to realize multi-touch, we hope it can be helpful to you. If you want to know more about capacitive touch screens, you can click on https://www.szmaclight.com/tft-capacitive-touch-panel-CTP.html to browse!
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Listing Title: Maclight Display – China Best TFT LCD Capacitive Touchscreen