AMT Introduces PCI Touch Panels with UV Resistance

04/06/2016 | Bulletin No. : AMTNE16007

As the specifications of projected capacitive (PCI or PCAP) touch panels continue to advance, this technology is being applied to more and more mission critical systems in the industrial, medical, and commercial fields. This broadening of product applications leads us to forecast that PCI systems will become ubiquitous in outdoor venues.

However, outdoor applications mean exposure to direct sunlight and long-term exposure to ultraviolet (UV) light will affect PCI panel appearance such as PCI top glass hard coat cracking and hazing or varying degrees yellowing and bubbling. All these phenomena reduce transparency and contribute to a flawed appearance. Cracking and bubbling also impedes operation. Industrial, medical, and commercial systems located outdoors for long periods of time require an Anti-UV feature. Thus, AMT offers a UV resistant PCI touch solution to equip outdoor industrial, medical, and commercial systems exposed to direct long-term sunlight with Anti-UV characteristics.

On the light spectrum, UV light falls outside the range of visible light and has a wavelength ranging from 100nm to 400nm. UV light can be further divided into UVA with a wavelength of 315nm to 400nm, UVB with a wavelength of 280nm to 315nm, and UVC with a wavelength of 100nm to 280nm.

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PCI top glass blocks UV wavelengths of less than approximately 300nm which includes UVB and UVC. This range does not include UVA meaning UVA will pass through glass. AMT’s UV resistant PCI touch panel utilizes Anti-UV materials that block UV wavelengths less than approximately 400nm. Using these Anti-UV materials can meet the specifications of outdoors applications. AMT has performed a PCI touch panel test based on ASTM G154 with this Anti-UV design and test results meet ASTM G154 performance criteria Cycle 6 for 500 hours. If customer application requires PCI touch products to be placed outdoors 7 days a week, 24 hours a day, and Q-Sun specifications of 1000 hours, AMT offers another design to meet these standards.

AMT’s Anti-UV materials extend the lifespan of PCI touch panels placed in outdoor settings and ensures reliable continuous operation for mission critical systems. If you have a project that requires resistance to prolonged exposure to sunlight, such as outdoor interactive advertising billboards and kiosks, vehicle or marine systems, etc. applications, this UV resistant PCI touch solution is right for you. Please contact your sales representative for more information.

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