27 inch capacitive touch screen CTP panel USB 5V power supply

Overview

YCL Touch Capacitive Touch screen is a high-end multi-point infrared touch screen technology with perfect combination of tradition and innovation. Our touch screen has the features of fast reaction speed, strong anti-environment light ability, good stability and easy integration; With the function of plug and play and without driver, any non-transparent object can change the infrared light and realize the touch operation which is convenient for people to operate and use the digital life and brings the greatest convenience and interactivity to life.

Capacitive Touch Panel Technology

Capacitive touch panel is a four-storey glass screen surface and laminated within the glass screen is coated with a layer of ITO, the outermost layer is a thin layer of silica glass, laminated ITO coating as a face, four electrode leads in the four corners, inner ITO good shielding to ensure a good working environment.
When finger touch the metal layer that is, because the body farm, users and touch-screen surface with a coupling capacitor, high frequency current, capacitance is a direct conductor, so fingers sucked away a very small amount of current from the contact point. The respectively current outflow from the touch electrode on the four corners of the screen, and flows through the four electrode current is proportional to the distance from the fingers to the four corners, controller through the accurate calculation of the four current percentage, came to the location of the touch point.

How does a Capacitive Touch screen Work?

Capacitive touch screens are built with a thin layer of conductive material, such as copper or Indium Tin Oxide (ITO), printed onto the underside of the display's insulating outer layer. When a finger touches the screen, a small electrical charge is drawn to the point of contact, which effectively becomes a functioning capacitor. The resulting change in the electrostatic field is then measured to pinpoint where the contact took place.

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Benefits of Capacitive Touch screen Technology

At present, capacitive touch screen technology offers a number of key benefits:

• High touch sensitivity and accuracy
• Support for multi-touch
• Sharp and vibrant images
• Can be used without a stylus
• Reliability - even cracked or pierced, capacitive touchscreens usually continue to function
• Popularity of the technology grants a level of future-proofing

Capacitance Touch screen Construction

Several techniques are available to construct a capacitance touchscreen. These include conductive wire construction or the application of transparent conductive materials, such as Indium Tin Oxide (ITO), to a polyester (PET) film layer "sandwich" or to a glass substrate.

Shenzhen Yongchuangli Electronic Technology Co., Ltd. was established in 2013. It is an enterprise engaged in R & D, production, sales and service of infrared PCBA, touch frame, touch screen, splicing screen and interactive intelligent electronic whiteboard.We have obtained nearly ten practical computer software copyright in China, and we can provide touch solutions of more than 32 points.Since its establishment, the company has been focusing on the application of interactive touch, and has a professional r&d team with technical force.The core products such as infrared touch frame and multi-point touch screen have the following features: high resolution and fast response, and support multi-point touch operation, dual system for gesture switching, the narrowest and thinnest frame, and multiple systems without drive, which are applicable to mainstream operating systems such as windows, Mac OS, Android, Linux, apple, etc. 4, 6, 10, 16, 20, 32 and 64 points non drive touch, with first-class human-computer interactive touch experience, the product is widely used in education, exhibition, finance, industrial control, medical treatment, game, car, cash register, query and other fields.We have two brands YCL touch and Yongchuangli touch. The series of products manufactured by the company comply with UL, SCC, ROHS and reach standards, and the company has passed ISO9001: 2015 international quality management system certification.