Advanced Techniques for Cutting-Edge Coverlens Design


Most LCDs need a coverlens, and the design of this vital component presents a wealth of opportunities to enhance the style and performance of your product.

You can choose the dimensions to match the display exactly or, by over-sizing, achieve more creative effects: you can use it to bring separate features such as buttons, touch sensors, or indictor lights into a unified, harmonious user interface, or achieve a “high-end” feel by giving the impression of a larger, more expensive display. You can print or backlight your logo and use colour to enhance visual impact. You can create icons that are permanently visible or hidden until lit for that extra wow factor.

Other choices include the properties of the material, such as polycarbonate or various types of toughened or chemically strengthened glass, and the thickness needed to achieve your desired mechanical properties.

The options don’t stop there. Surface treatments such as spot facing or touch-bumps now introduce new ways to style and functionalise your user interface. Moreover, optical bonding – conventionally employed to enhance the viewing characteristics of displays used outdoors or in bright ambient light - is becoming more widely recognised for its ability to help reduce power consumption and achieve the impact-resistance ratings demanded in sectors such as industrial and automotive.   

In this paper, we will look at the opportunities for 3D surface topology using etching or bumping, and optical bonding for greater impact resistance. Get your free Whitepaper by filling the form below!

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