1.Ordinary soda-lime-silica glass is replaced with aluminosilicate tempered cover glass treated via secondary chemical ion strengthening. The glass achieves higher internal compressive stress, delivering far superior impact and bending resistance compared with conventional tempered glass. It can withstand high-speed gravel impacts, external knocking, bumping and extrusion, significantly reducing the risk of breakage. Even if fractured under extreme external force, it shatters into tiny granular fragments without sharp large pieces that may cause lacerations. Meanwhile, it maximally protects the underlying ITO touch circuits and lowers the risk of immediate touch malfunction.
2.The surface Mohs hardness is upgraded to above Grade 7, much higher than the Mohs hardness of gravel and dust (Grade 5 to 6). No permanent scratches will be formed during daily friction from floating dust or repeated wiping with rags containing grit. The original light transmittance can be stably maintained during long-term use, preventing the screen from gradually turning blurred with prolonged operation.
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4.AG anti-glare wear-resistant etching process is available as an optional configuration. The matte micro-structure can visually conceal tiny scratches while eliminating strong light reflection. Even after long-term outdoor use with frequent friction, slight scratches will not lead to reduced light transmittance or hazy, washed-out display images.
5.Highly elastic silicone rubber buffer protective bezels are installed around the screen cover glass, and buffer gaps are reserved on the equipment panel. In the event of external impact, the rubber ring absorbs and disperses impact energy to prevent stress from concentrating directly on the glass corners and edges—the most fragile positions of the glass, which greatly reduces the risk of edge chipping and breakage caused by collisions.
6.An embedded front mounting structure is adopted, with the cover glass recessed inside the equipment sheet metal surface instead of protruding outward. This prevents direct scratching and impact o
Solutions to Solve UV Aging Issues of Touch Monitors in Industrial Applications1.UV-resistant aluminosilicate tempered cover glass is selected. UV stabilizers are added to the glass substrate, and multi-layer anti-UV AR anti-reflection coatings are plated on both the front and rear surfaces. It can block more than 95% of UVA and UVB ultraviolet rays, preventing ultraviolet radiation from penetrating inward to the touch layer, liquid crystal and optical adhesive materials from the outermost layer, so as to avoid photoaging and yellowing of internal materials.
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It is equipped with a long-lasting UV-resistant AF hydrophobic and oleophobic coating. Conventional AF coatings tend to age, turn yellow and peel off under prolonged sunlight exposure. The UV-modified AF coating can withstand outdoor ultraviolet irradiation without coating yellowing or local darkening, maintaining high light transmittance and oil-repellent performance for an extended service period.3.
The edges and corners of the cover glass are precisely ground into rounded R corners to prevent damage to the edge coating, which would otherwise allow ultraviolet rays to penetrate inward from the sides and cause local yellow discoloration and color difference along the edges.4.
Outdoor-specific UV-resistant wide-temperature polarizers are adopted, with UV absorbers built into the substrate. They effectively prevent aging and fading of dyes in the polarization layer caused by ultraviolet radiation, eliminating overall screen yellowing, color shift and color distortion. Stable color reproduction and contrast can be maintained even under prolonged direct sunlight exposure.5.
All backlight films including brightness enhancement films, diffusion films and reflection films are made of UV-modified PET materials. They prevent film yellowing under ultraviolet radiation, thus avoiding uneven backlight emission, local screen darkening and brightness attenuation.6.
UV-resistant wide-temperature liquid crystal materials are adopted, with UV stabilizers added to liquid crystal molecules. This prevents the degradation and aging of liquid crystal materials caused by intense ultraviolet radiation, effectively avoiding image smearing, color shift and brightness attenuation.FAQQ1: Why do industrial touch displays turn yellow after long-term outdoor sunlight exposure?A1: Long-term ultraviolet radiation will cause aging and yellowing of common glass coatings, polarizers, OCA glue, backlight films and liquid crystal materials. Our touch monitor adopts UV-blocking aluminosilicate cover glass, UV-resistant polarizers, modified backlight films and anti-UV liquid crystal materials, which can block more than 95% of UVA and UVB rays and effectively avoid overall or local yellow discoloration of the screen.
Q2: How do you prevent the AF coating from falling off or turning yellow under prolonged outdoor UV exposure?A2: We adopt long-lasting UV-modified AF hydrophobic and oleophobic coating instead of ordinary AF coating. It can resist outdoor ultraviolet irradiation without yellowing, darkening or peeling, and keeps stable high light transmittance and anti-fingerprint performance for long-term outdoor use.
Q3: What design prevents local yellow color difference at the screen edges caused by UV penetration?A3: The cover glass corners are precisely polished into R rounded corners to protect edge coatings from damage. Combined with fully sealed UV-resistant edge sealing technology, ultraviolet rays are prevented from invading the interior through side gaps, so as to eliminate local yellowing and color deviation along the screen edges.
Q4: How to ensure stable screen color and brightness under long-term strong sunlight?A4: This display is equipped with outdoor dedicated UV-resistant wide-temperature polarizers, UV-modified backlight film sets and anti-UV liquid crystal raw materials. They effectively avoid dye fading of polarizers, backlight film yellowing and liquid crystal aging, ensuring stable color reproduction, contrast and uniform brightness even under long-time solar exposure.
Q5: What is the core principle of your solution to UV aging for touch monitors?A5: We form a full-layer anti-UV protection system from the outermost cover glass to the internal liquid crystal and backlight components. The multi-layer AR coating on high-aluminum silicon glass blocks most ultraviolet rays, while all internal optical materials are added with UV stabilizers, which fundamentally prevents photoaging, yellowing, color shift and brightness attenuation of the display.
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