Industrial Capacitive Touch Screen Monitor

Professional team
The company has more than 300 employees, professional and technical team more than 50 people, and has intelligent flow workshop, advanced testing instruments and other equipment.

Rich experience
Relying on the advantages of independent production and processing, as well as the accumulated years of experience in the field of industrial control touch control equipment exploration,we have established a complete industrial control computer,industrial grade panel PC, fanless industrial control machine and other professional product lines, and have a number of product patents and software Copyrights.

High quality
In the future development, Kongxian technology will continue to adhere to the professional technology research and development ability and solution ability,to provide customers in various fields with better quality industrial control products, to help the development and take-off of customers.

Product application
Our products are widely used in industries such as industrial automation, commercial intelligent terminals, CNC machine tools, instrumentation, rail transit, power, and security etc.

No need to press the capacitive touch panel to generate a signal
The working principle of the capacitive touch panel is to use the capacitance of the human body and touch to generate a current. Then you can make the touch screen work. It is not like a resistive touch screen that requires a hard press to touch the screen. So you only need to touch the capacitive touch screen lightly, and the signal can be generated without pressing.

Automatic calibration
You only need to install a capacitive touch screen, it can automatically recognize the system and then automatically calibrate. The resistive touch process requires routine corrections. So if you are using a capacitive touch panel, you do not need to ask the manufacturer for calibration information. Because it can be calibrated automatically.

The capacitive touch panel has a long life
Because the components in the capacitive touch screen do not need to move. Therefore, the life of the capacitor solution is longer. In resistive touch screens, the upper ITO film needs to be thin enough to be flexible. It can be bent downward to make contact with the underlying ITO film.

Low light loss and system power consumption
Capacitive touch screen technology is superior to resistive technology in terms of light loss and system power consumption. So if you want low optical loss and system power consumption. capacitive touch screen is your best choice.

Choice of technology
The choice of capacitive technology or resistive technology mainly depends on the object of the touch screen. If the finger touches, the capacitive touch screen is a better choice. So if you need a stylus, whether it is plastic or metal. Resistive touch screens can do the job. The capacitive touch screen display can also use a stylus, but it needs a special stylus to match.

Many sizes
Surface-type capacitive touch screens can be used for large-size touch screens. The phase ratio is also low, but gesture recognition is not supported. Inductive capacitive type is mainly used for small and medium-sized touch screens, which can support gesture recognition.

Low maintenance cost
Capacitive touch screen technology has the advantages of wear resistance, long life, low maintenance cost, etc., which can further reduce the overall operating cost of manufacturers.

Support multi-touch
The capacitive touch screen supports multi-touch technology. Unlike resistive touch screens, it is slow and difficult to wear.

The capacitive touch panel sensor screen is a four-layer composite glass screen, the inner surface glass screen and the sandwich coated with a conductive layer layer, the outermost layer is a thin layer of the protective layer made of siliceous glass. When we touch the screen with the finger on the sensor screen, the electric field of the body and the touch screen and the surface of the touch screen to form a coupling capacitor, for high-frequency current, the capacitor is a direct conductor, so the fingers from the aspiration contact point a small current. This current flows out of the electrodes at the four corners of the touch screen, and the current flowing through the four electrodes is proportional to the distance from the finger to the four corners. The controller calculates the position of the contact point by accurately calculating the four current ratios. It was only a few years ago when the only touchscreen devices I could find in consumer devices were those on tablets, smartphones, and stylus PDAs. At the time, touchscreens were too expensive to replace the exact and precise mouse or keyboard. Touchscreen technologies have been incorporated into a wide range of devices such as mobile phones, ATMs, GPS, televisions, and other modern devices. These types of screens are those that currently surround us. In fact, they are the screens of most current mobile phones. The operation is based on the fact that a fixed mass, which is the screen itself, is charged with electricity. This load is flat and static. However, when we press the screen, this electric charge changes, causing it to stop being flat and, in this way, thehis technology, so using your fingers to close an electrical circuit will make it extremely simple to accurately detect human contact area where pressure has been applied is detected.

Glass sheet selection: The first step in touchscreen production is carefully selecting the appropriate liquid crystal display panel. Manufacturers consider factors such as transparency, durability, and thickness to ensure optimal performance of the thin film sensors. A smooth glass surface is essential for accurate touch detection without compromising the user experience.

Cover glass preparation: Once selected, the chosen glass sheet undergoes preparation to become a cover glass for a liquid crystal display (LCD). This involves cutting it into precise dimensions and applying special coatings, such as anti-glare coatings, to enhance its properties. These coatings reduce reflections and improve visibility even under bright lighting conditions. The surface of the glass is carefully treated to ensure optimal thin film deposition of the photoresist.

To transform the cover glass into a touchscreen, an etching process creates microscopic patterns on its surface. These patterns form electrodes that detect changes in capacitance when touched by a conductive object like our fingers. Subsequently, thin film layers of materials like photoresist and indium tin oxide (ITO) are deposited onto these patterns to establish conductivity and create sensors.

Lamination: The next step involves joining multiple layers, including a touchscreen sensor layer and a conductive coating, to form a complete touch sensor assembly. A transparent adhesive secures the sensing layer onto the cover glass while ensuring minimal interference with touch sensitivity.

Vacuum process: During lamination, ultrathin glass substrate and conductive coating are combined using vacuum technology to eliminate air bubbles between layers. This ensures seamless integration and enhances overall touchscreen performance by preventing any disruptions or irregularities caused by trapped air. The functional coating is also applied using a thin film technique.

Testing and calibration: After lamination, each touchscreen sensor with an ultrathin glass substrate undergoes rigorous testing and calibration processes using a glass sheet and photoresist. This ensures accurate touch detection and responsiveness across the entire surface area, making it ready for use in smartphones, tablets, or interactive displays.

Final inspection: In the final stage of manufacturing, touch sensors with a functional coating undergo a comprehensive inspection to ensure adherence to quality standards. This includes examining the surface of the sensor for any defects, such as dead spots or inaccurate touch recognition. Only sensors with the appropriate photoresist thickness passing these stringent inspections proceed to be integrated into devices.