DISPLAYS & UIs


between the LCD module and cover glass with a transparent optical adhesive.  and refraction, improving perceived contrast and light transmission in high ambient light conditions. Optical bonding can also prevent condensation build-up, improve impact resistance and enhance environmental


sealing.


For marine, industrial and medical applications, optical bonding is often used to improve both readability and durability.


 Surface treatments can further reduce the 


Anti-


   light to reduce harsh glare


While anti-glare coatings can improve usability, aggressive surface etching may slightly reduce image sharpness. In many  with optical bonding provides the most effective solution.


Application areas -readable displays are increasingly used across multiple sectors:  – ticket kiosks, digital timetables, airport information systems  – outdoor menu boards and interactive signage  information panels  – dashboards, bridge displays, and dockside systems  – manufacturing dashboards and outdoor process monitoring systems


Each application presents unique challenges including vibration, moisture ingress, temperature extremes and prolonged exposure to direct sunlight.


Conclusion


Achieving optimal daylight readability is rarely the result of a single design choice. Display performance in outdoor and high-brightness environments depends on balancing multiple factors including luminance, contrast, optical treatments, environmental protection and power consumption.


The most effective solution will vary depending on the application, operating environment and user requirements. For this reason, engaging with display specialists early in the design process is essential to determine the most appropriate combination of technologies—whether that  displays, optical bonding, or specialised coatings.


By working closely with experienced display experts, engineers and designers can ensure reliable performance, improved usability and long-term durability in even the most demanding daylight conditions.


MAY 2026 | ELECTRONICS FOR ENGINEERS 27


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