Optically bonded displays enhance outdoor readability

26th September 2014
Siobhan O'Gorman

TFT displays, suitable for outdoor environments, have been released by GTK. For enhanced readability in outdoor environments, the displays feature optical bonding. During the production process, an optical bonding adhesive is used to fix a protective, glass cover lens to the front of a display. Through this process, the contrast ratio is enhanced which is useful when there is bright sunlight or high humidity.

Optical bonding also eliminates the air gap between the cover glass and the display, making the display more rugged and protecting it against condensation which can cause fogging on the surface. Optical bonding can be provided by GTK on TFT display sizes ranging from 2.4-10.1" and also those with resistive or capacitive touchscreens.

Clive Dickinson, Business Manager for Optoelectronics at GTK said, “Optical bonding really improves the robustness and durability of TFT displays and can extend their life in harsh outdoor environments. We supply toughened glass lenses for extra durability and the costs of this technology are not prohibitive when you consider the many benefits they provide over the life of the product.”

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