What are our state of art technologies applied to the outdoor environm…
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To eliminate sunlight interference in outdoor environments, we have used the innovative optical filter technologies. These state of the art filter technologies will eliminate sunlight interferences and provide multi-touch operations in the outdoor environment.
The three filters we used follow:
1. Anti-Solar Filter is the polarized filter removing the direct sunlight, which is incoming to the IR sensor plane of the touch panel. This anti-solar filter provides an excellent uniformity.
2. Sun-Block Filter removes any reflected and refracted light which is inside the touch module frame. It also helps to get over reflection and refraction phenomenon from the glass.
3. Front IR Filter removes lower wavelength of sunlight and improves the transmissivity of IR LED’s wavelength
Overall, these technologies maximize the efficiency of the IR Touch Screens.