•To prevent touchscreen breakage, there should be a compliant gasket between the back of the touchscreen and the front of the display to allow for variation in the surfaces when assembling. A gap is also required between the touchscreen and the face of an LCD display to prevent damage to the display.
•Unlike CRT's, plasma, EL, and backlit LCD displays may be a significant source of heat. The situation may be more significant if the unit is sealed. Any installation must avoid heat rise that exceeds the touchscreen specification.
Bezel Design
The following graphic displays some bezel ideas in order to help you mount the bezel to the touchscreen.
Hard |
Lip |
Transducer
Wedge
Bezel
With thin bezel, add a
With thick bezel, mill out hole for transducer wedge.
Before | After |
Compression Compression
Even on a beveled touchscreen, |
| |
the transducer sticks up 1mm |
| |
Another idea: | ||
above the glass. Add a spacer | ||
Add a hard lip | ||
to ensure clearance. Seal | ||
behind the seal | ||
thickness will not suffice. | ||
to control | ||
| ||
| compression. | |
|
|
