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GreenTouch 23" High quality capacitive touch screen,10 points,USB interface,plug and play


Capacitive Touch Screen Technology
Capacitive touch screen 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.
About GreenTouch
Shenzhen GreenTouch Technology Co., Ltd. is a professional manufacturer of touch screen and a high-tech enterprise. Our company specializes in R&D, manufacture and marketing of high-grade touch screen and value-added touch screen. Our company has our own trademark—GreenTouch and provides customers with touch screens including SAW touch screen, IR touch screen, four-wire touch screen, five-wire touch screen and various touch screen monitors. GreenTouch has automatic production lines and the sealed dust-free workshops and has been certified to ISO9001 Quality Management System and ISO14001 Environmental Management System. The products are inspected in strict accordance with the quality management system. Quality management becomes an essential part of operation. Our products have been certified to CE, FCC, ETL, ROHS and UL. The objective of GreenTouch is to become the most reliable supplier of touch screen, special products, high value-added products and touch solutions in the world!



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