Large interactive passenger information displays take advantage of rugged touchscreen technology and high brightness low power LCD displays

Travellers at airports, railway stations and other transit hubs now have easy access to a wealth of up-to-the-minute information at their fingertips thanks to the ingenuity of engineering solutions . The 43” range includes fixed and mobile interactive totems plus wall-mounted displays.

Both totem and wall-mounted units are 43” in size and are required to work indoors and outdoors, in often unattended locations. To meet this requirement, the TFT LCD displays supplied feature a wide operating temperature with low power consumption while offering high brightness.  The touch sensors are made from printed 6mm thermally tempered glass with a laminated rear hard-coated polyester film, delivering optimum impact resistance and anti-spalling in the event of breakage. The glass selected has an antiglare etched finish for better image display visibility in direct sunlight and the touchscreens also incorporate UV blocking and IR reducing filters to help protect the underlying LCD from sunlight damage and assist the overall system thermal management.

The totem and wall-mounted touchscreen units provide an unsurpassed interactive user experience irrespective of the environment and remain unaffected by rain, dirt, scratches, or extreme temperatures and work even when the user is wearing gloves.

It is capable of running for 24 hours on a single charge from its built-in batterieswith wireless connectivity to allow operators to manage content in real-time. There is also the facility for operators to locate their assets and check battery power status remotely, and an NFC optional upgrade allows users to take away information on their smartphones. As well as being dust-tight, water-resistant (meeting IP65 standards) and fire-resistant.

When combined with the use of a digital light sensor and controller card,this regulates brightness and power consumption within the totems in all different lightingconditions. The TFT also supports a wide operating temperature of -20 to 60°C with LCD Blacking Defect Free (Hi-Tni 110°C) Technology making it ideal for maintaining visibility in demanding environments.

Creating a passenger information terminal that is accessible to all members of the public was key. In the future, there are plans to further modify the design of the touchscreens to enable attachment speakers onto the back of the glass to improve accessibility for partially sighted users.

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