Touch Technology and Visual Performance

When utilizing touch technology in your display project, do you struggle with achieving optimum visual performance? Regardless of which touch sensor you use with your transparent window of either glass or plastic mounted above the display face, unwanted light reflections are introduced and can impact the visual performance of your content.

For indoor use, Infrared (IR) matrix and IR camera based systems do not require a transparent window and don't degrade the display luminance and contrast. This solution is acceptable for indoor environments for single users, but not public venues where high use and potential vandalism can occur or for outdoor environments.

Methods of optically coupling the touch window to the display or special films and coatings can be effective solutions when sunlight readable viewing is required. Typically optical bonding is reserved for those applications where high value hardware can absorbe any additional cost.

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