The importance of touch screen technology in kiosks: Page 2 of 2

August 06, 2019 //By Richard Murton
touch screen
Touch screen technology in kiosks / vending machines are now part of our everyday lives, whether it be from ordering a coffee, or paying for a parking ticket.

Wide range of sizes and interfaces

The standard range consists of display sizes from 5” to 86”, all available with optional touchscreen and choice of interface including HDMI / Integrated PC or Android player.  The screens have wide viewing angle and are available from standard brightness through to super high 2500cd brightness for outdoor applications.

 

Customized solutions

Where the standard range does not meet the exact brief, CDS have the ability to design / develop custom solutions.  This can be in the form of a tweak to a standard monitor or a full-blown custom design.  Many characteristics are considered, including mounting configuration, weight, and ease of maintenance.  Where a client is already using an existing monitor, CDS can quickly develop a mechanically compatible alternative with no/low tooling and can generally supply samples in 3-4 weeks (depending on complexity)

 

Modern Sleek artistic designs with cover-glass also

The interaction is critical to any kiosk. With the technological development of the projective capacitive (PCAP) touch screen CDS are able to design a true flat glass look (we call this ‘tabletesque’) by laminating a bespoke cover-glass over the front of the PCAP sensor.  This cover-glass can be fully customised with its oversize perimeter shape, adding holes and rear screen printed to give a fully branded solution with company logo, legends and icons. Suddenly, ignoring the technical benefits of the industrial components, the solution moves far away from a ‘desktop monitor’.

 

Optical Bonding adds value and robustness

For applications where visibility is critical, but the power/heat from a super bright backlight causes issues, CDS have full optical bonding capability.  Optical Bonding is the application of a silicone layer within the void between the front of the LCD and the rear of the touch/glass.  This eliminates the air gap and reduces the internal reflections. The result is to massively reduce the contrast washout in high ambient light conditions.  Other advantages include increased ruggedness, UV protection, better heat dissipation, and avoidance in contamination / condensation (fogging).  CDS have a range of optical bonding optimised TFT displays which have been developed with an efficient brightness/power ratio.

 

About the author:

Richard Murton is Systems Solutions Manager at Crystal Display - https://crystal-display.com


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