Optical Bonding

Dry film adhesive:

• Heat & pressure process to laminate glass or plastics together for strength
• Common examples are car windscreens & safety glass
• Applications: Public displays, Ruggedized cover lens

PSA (Pressure Sensitive Adhesive):

• Optically clear adhesive for flexible to rigid lamination
• Limited temperature & moisture tolerance
• Applications: Thin films or combined with additional dry film process, Foil PCAP application to cover lens

Wet bond - Viz-Bond® :

• Cold process without pressure
• Application: Direct bond to displays or integration with cover glass / Touchscreens
• Touchscreen or display ruggedised protection

Why Viz-Bond Bonding ?

• Lamination without heat or pressure
• Index matching and elimination of air gaps optimizes optical performance
• True black off appearance
• High level of mechanical performance & impact strength
• Full integration with LCD’s & Touchscreens
• Greater colour contrast through the colour spectrum
• Sunlight readability

Viz-Bond in a nutshell:

• Optical Filters proprietary direct bonding system
• Wet laminating system with broadband energy cure. UV through to visible (350-550nm)
• Refractive index matched n = 1.5 fill material provides perfect match to most display enhancement materials
• Vented spacer gasket system gives minimal shrinkage
• Yield is 95-98% but the system is also fully re-workable
• Allows full integration from the display source to the front cover lens or touch screen
• Fully curable through silkscreen printing border to give the “iPad” look

Viz-Bond Process: