Mounting the Touchscreen
When preparing the touchscreen for mounting to the LCD, major considerations are:
•Reasonable mechanical alignment with the display.
•Mounting materials and methods.
•A complete dust seal between the touchscreen and the LCD.
•A mounting technique that evenly supports the touchscreen on at least two opposite edges. Elo recommends
•Creating enough space between the touchscreen and the bezel to accommodate the touchscreen and the transducers. Adequate spacing can normally be accomplished by:
1 trimming or milling the inside of the bezel.
2 using spacers to move the LCD back in the chassis.
3 using spacers to move the bezel away from the touchscreen. A combination of moving the LCD back with spacers and trimming the bezel is the usual solution.
•The seal between the touchscreen and the display bezel.
The last three considerations listed above should determine the nominal thickness of the spacers to be used.
Many monitors will have sufficient space in the bezel to allow the touchscreen face to rest against the lip of the bezel, with the lip touching the active region of the touchscreen. However, the transducers should not be in contact with the bezel. Assuming
Before mounting the touchscreen, clean the face of the display and the back of the touchscreen with household glass cleaner. Be sure to remove all fingerprints. The space between the touchscreen and the display face must be clean and free of any foreign objects.
Mount the touchscreen as follows:
•Layer the
