Vehicle manufacturers have begun to recognize the need to protect displays in a variety of ways. Vehicle and display manufacturers have begun to use more advanced hardcoatings to prevent scratching and to provide a more durable surface for cleaning. Some vehicle manufacturers have begun to design and provide optics with coatings that reduce glare or reflections off the surface of the lens so that the displayed information is more easily viewed under varying lighting conditions. Today there exists a variety of optical coating types and application methods to provide solutions to protection, durability and performance for these mechanical and information displays. North American Coating Laboratories provides vacuum- and dip-applied thin film coatings to polymer manufacturers and suppliers to the automotive industry. These coatings are predominantly deposited on polycarbonate and acrylic substrates assembled within the cockpit of commercial vehicles. In many cases, such vacuum-applied coatings as broadband anti-reflective treatments and polysiloxane dip-applied treatments improve the optical quality of polymers as well as extend the lifecycle of polymers in the field. This presentation will focus on the full spectrum of thin-film coatings that are currently being applied to automotive polymers, resins and displays. Polycarbonate and acrylic (PMMA) are widely used due to their superior optical clarity and their optimum impact resistance. Polysiloxane based coatings are clear abrasion resistant hardcoatings that are used in a variety of automotive applications. They are excellent base coatings when coupled with additional optical coatings for display purposes as they increase the durability of any additional coatings applied on top. Vacuum hardcoatings are used when polysiloxane cannot be used due to part size or geometry. They are also a good base layer for some of the additional coatings for displays. With the addition of an anti-reflective coating light reflections are reduced to less than 1 % providing enhance clarity and contrast. Typical uses can be mechanical in nature such as a speedometer, or can be as complex as an in-dash navigation unit with intricate backlighting and LED patterning. Diamond-Like Carbon Coatings (DLC) are an amorphous coating that are chemically inert and organic. These coatings are applied to glass and create a smooth, scratch-proof surface that is inherently hydrophobic. Optical coatings have become an integral part of displays and optical systems in vehicles. As engineers and product design teams become more familiar and educated about coating options and their characteristics, they will continue to enhance the driving experience. As information becomes easier to distribute to mobile customers, automotive manufacturers will continue to develop ways to provide data on demand.
Optical coating applications on automotive polymers and displays
Die Anwendung von optischen Beschichtungen auf Kunstststoffe und Displays im Automobilbau
2009
10 Seiten
Aufsatz (Konferenz)
Englisch
Beschichten mit Kunststoff , optische Dünnschicht , Polymerfilm , Anwendungsgebiet , Automobilbau , Kunststoffformteil , Display , Schutzschicht , Kratzfestigkeit , Haltbarkeit , Antireflexschicht , optische Transparenz , Polycarbonat , Polysiloxan , Polymethacrylsäuremethylester , Tauchbeschichten , physikalisches Aufdampfen
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