Optical bonding is a type of integration service that is used to laminate the touch screen (or other rigid material) to the top surface of the LCD. The bond is created by dispensing and then curing a form of optically clear adhesive between the touch screen and display forming a permanent bond with no air gap between the two components. There are many benefits to the optical bonding method of integration vs. traditional gasket attach methods, one of the most notable being the enhanced optics and improved impact strength.
Other Features and Benefits of Optical Bonding Include:
Dam - UV Cured Acrylate material is dispensed around the perimeter to control the gap between the LCD and touch screen and control the perimeter flow of the fill material.
Seal - UV Cured Acrylic material is dispensed around the inside edge of the LCD metal bezel to prevent fill material from leaking into the LCD.
LOCA (Liquid Optically Clear Adhesive) Fill - Clear UV Cured Acrylate material that fills the space between the touch screen and LCD which both mechanically bonds the two parts together and eliminates reflections from the inside surfaces.
Dawar offers a full range of value added services that complement our optical bonding and other integration capabilities, including: