Outdoor Touch screen
Using the IR(Infra Red) Touch Screens in an outdoor environment requires the specific technologies to reduce sunlight interference.
A worthy touch screen should not be affected by weather factors such as snow, heavy rain, strong winds and humidity. Also, it should eliminate sunlight interference and protect against water or dust as it is more suitable for the outdoor environments and more convenient for the use with IR Touch screens.
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.
Overall, these technologies maximize the efficiency of the IR Touch Screens.
To secure the required S/N ratio in the outdoor environment is one of the most important technologies.
The stronger the sunlight interference, the worse the S/N ratio becomes.The failure rate of the Touch function will increase if the S/N ratio of the Touch module deteriorates.
Thus, the technologies applied to IRON provide a stable touch function in the outdoor environment by ensuring S/N ratio.
IRON is satisfied with IP65(standard) and IP66(option) protection level without touch glass.
Aluminum extruded one-body frame structure of touch module makes it have price competitiveness and increase yield rate.
The design of the waterproof structure using protection rubber is our creative design, which makes it possible to meet the protection level such as IP65/IP66.
Various directional interference of sunlight is the biggest obstacles to use in the outdoor environment.Outdoor touch modules should be ready to protect in any directional and simultaneous interference environment.
Place the Touch Module to be tested where various interferences are caused by sunlight such as direct, reflected and refracted sunlight. Angles with the face of the Touch Module relative to the sunlight are gradually changed horizontally or vertically. To measure the exact sunlight interference, direct light from sunlight, reflection or refraction in the surrounding environment must be considered.
At last, you can test the combined Glass and Touch Module together.
Unfortunately, there is no standard to demonstrate and measure performance for outdoor touch products to date. However, we have established guidelines for the testing methods and verification procedures based on our existing know-how founded on common sense.