Graphic Overlays

Limitless Potential

The simplest graphic overlays are basically a self-adhesive plastic graphic layer to cover metal-work or a moulding. But a graphic overlay can include clear or tinted windows for displays, combined with thro-holes or embossing for concealed mechanical or PCB based switches. Clear pockets can also be included in the design of the graphic overlay to allow for variable message data inserts or branding inserts. This presents a branding opportunity where the perceived product value can be improved. The appearance of the graphic overlay can be further enhanced with the application of digital printing and selective textures.

Printing

All the effects that can be achieved in keypad graphics can be reproduced in overlays. The additional benefit of digital printing for overlays is that they often carry a lot of information and the number of colours is no longer the cost factor it was with screen-printing. Enhanced appearance, and therefore value, can be acheived through the use of photographic images and complex logos.

Screen

Digital

Hybrid

Metallic

Tints

Secret-till-lit

Surface Finishes

UV cure surface texture printing combined with digitally printed background images can create stunning effects for graphic overlays that don’t carry a lot of text. This can be used to indicate the function or application of the device or simply to raise the perception of value.

Textures

Patterns

Gloss

Anti-glare

Print Emboss

Embossing

Overlays with thro-holes at the switch position are ideal for use with rubber keymats and putting text for the keys on the overlay can reduce the cost of the keymat. A higher sealing rating can be achieved by using flat or embossed switch positions for use with PCB mounted micro-switches. Embossing can be used to provide tactile feedback or just to provide more of a tolerance on the flatness of the PCB mounted switches. With a conductive pad added to the rear, graphic overlays can be mounted directly onto a PCB with switch patterns in the circuit.