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Advanced Adhesives Enhance Optical Clarity and Functionality for In-Vehicle Displays

    April 1, 2019

Connected and autonomous vehicles are going to change the nature of the driving experience. The interior of the vehicle will act as a central hub of information for passengers. As a result of this shift, IHS predicts the automotive touch panel market will expand from 28 million units in 2013 to 86 million units in 2021 – more than a 30 percent growth.

However, creating these displays presents challenges for manufacturers. Speed to market, from design to completed product, has an impact on the bottom line, as does reliability and the overall cost to manufacture. Lack of flexibility in design can also be a factor, especially when a process is captive to one design only.

Newer material combinations for cover and frame assemblies for digital displays make it possible to create larger displays and displays with curved design. For example, newer cover lens materials are bonded to touch sensors or LCD substrates with advanced optically clear resins at the interface, providing minimized reflections and crystal-clear images. High performance structural adhesives are used to robustly bond challenging materials to conform to large and curved displays. Advanced functional coatings at the touch interface enhances the performance and user experience. When relying on a cockpit display for vital information, it is imperative that information is displayed with precise visual clarity so the driver can interact with the display with minimal distraction.

 

Bonding Solutions

Curved displays, 3D designs and larger diagonal screens are some of the new shapes and formats for in-vehicle displays. To help OEMs address the challenges with their form and function, Henkel offers a portfolio of adhesives for optical bonding, structural bonding and related processing applications:

  • Light-cure silicones
  • Silicone acrylic hybrids
  • New generation acrylics
  • Fast-cure structural adhesives.

These highly effective bonding solutions and processes address design and material challenges, including curve-to-curve bonding and curve-to flat bonding and the use of different substrates: glass, plastic and metal.

Reduce Cycle Times

In addition, the rapid through-put processes Henkel uses for optical display assembly shorten the production cycle, which saves costs. Henkel’s proprietary SpeedCure™ process uses radiation for direct heating of structural adhesive at the bond line, with minimal heat conduction to the surrounding substrate.

Join me for a webinar on Wednesday, April 17 at 1 p.m. EST: Advanced Adhesives and Assembly Processes for Vehicle Displays to learn more and have your questions answered. Click here to register today!

About the Author, Gino Mariani

Gino Mariani is the North American Business Development Manager, Chassis & Electronic Systems for the automotive business at Henkel. Gino joined Henkel in 2008, through the National Starch acquisition, holding various regional and global marketing assignments prior to his current responsibility. He earned a Bachelor of Science degree in Chemistry from Oakland University.

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