In the evolving landscape of technology, touchscreens have become an integral part of our lives. From smartphones to smart appliances, the smooth glass surfaces we interact with are not only functional but also a testament to a thoughful design.
One crucial aspect of this design is the edge finishing of the touch glass, which plays a pivotal role in both aesthetics, durability and functionality.
The Basics of Edge Finishing
Touch glass edge finishing is the process of refining and shaping the edges of the glass to achieve a polished and user-friendly result. This not only enhances visual appeal but also contributes to the overall durability of the device. Prominent edge finishing options that have gained widespread popularity for touch sensor cover glass include standard chamfered, pencil ground and more dynamic 2.5D and 3D edges found on many smart phone devices.
Which edge treatment to choose can be based on aesthetics but also the design of the product.
For example:
Your product has a modern bezeless look with the front glass of your touch device acting a the front surface to you users. The edges are not fully protected by your chassis design. In these cases, attention to edge hardness and finish is important to protect the edges from damage.
Best choice?
Pencil Ground/Polish
2.5D or 3D
If your device has a chassis surrounding the edge of the glass, then standard edge ground edges are perfect.
Best choice?
Lets explore some of the popular options for touch panel cover glass edge treatments.
Ground and Chamfer (Bevel)
This type of edging involves flat grinding glass edges until they are smooth and then running the top and bottom edges along a belt to eliminate sharpness and remove chips. The resulting glass piece features a smooth chamfer top and bottom with an exterior ground edge.
Pencil Ground
Pencil grinding, achieved through the use of a diamond-embedded grinding wheel, is used to create a slightly rounded edge and allows for a frosty, satin, or matte glass finish. “Pencil” refers to the edge radius, which is similar to a pencil or C shape. This grind is also referred to as a Semi-Polished Edge.
Pencil Polish
Pencil polished glass edges are ground smooth, finished with a shiny or glossy polish, and feature a slight curve. The unique finish makes pencil polishing ideal for aesthetics-focused applications. Like pencil-ground edges, the edge’s radius is similar to a pencil or C shape.
2.5D Edges: The Subtle Curve
2.5D edges represent a refinement in the traditional flat glass design. While the surface remains mostly flat, the edges are gently curved, creating a seamless transition between the glass and the device's frame. This subtle curvature not only adds an aesthetic dimension but also serves a functional purpose.
The slight curve of 2.5D edges contributes to a more comfortable grip, making devices with such edges pleasant to hold. This design choice is particularly noticeable in smartphones, where manufacturers prioritize a sleek appearance without compromising on ergonomics.
3D Edges: The Futuristic Dimension
Taking edge finishing to the next level, 3D edges introduce a more pronounced curvature, giving the glass a seamless and continuous flow over the device's sides. This design choice results in a futuristic and immersive look that has become synonymous with flagship smartphones and high-end gadgets.
The significant advantage of 3D edges lies in the immersive user experience they provide. The curved edges extend the display visually, offering an edge-to-edge feel and reducing the perception of bezels. This not only elevates the aesthetic appeal but also enhances the touch interaction by allowing gestures to flow seamlessly from edge to edge.
Considerations in Edge Finishing
When choosing between 2.5D and 3D edges, several factors come into play:
Aesthetics vs. Functionality: 2D or standard edges provide a clean and safe edge for many aplpications. While 3D edges offer a more striking visual impact, 2.5D edges strike a balance between aesthetics and ergonomic functionality.
Manufacturing Complexity: Achieving a flawless 2.5F or 3D edge requires advanced manufacturing processes, making it a more intricate and costly endeavor compared to standard edges.
Conclusion
In the realm of touch glass edge finishing, the choice between the different edge treatments is not just about form but also function. Whether you prefer the modern sophistication of 2.5D and 3D edges or one of the traditional edges, one thing is certain – the design behind these finishing options contribute significantly to the overall user experience in your product
As technology continues to advance, we can expect further innovations in touch glass edge finishing, offering users an even more seamless and visually stunning interaction with their devices.
About DCL Technologies
DCL designs high quality display solutions that meet our clients' overall objectives.
Our mission is to be the easiest display solution provider to do business with.
Our differentiator is a focus on delivering the best experience to our clients, at every desk. Our core value strategies are focused on making it easy for Engineers, Designers and Purchasing to get things done.
Contact:
Andrew Blum
DCL Technologies
800-407-8917
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