Brightness Enhancement Film - 3M Company

A UBC patent by Dr. Lorne Whitehead, subsequently purchased by 3M Company, was important to the commercialization of 3M's Brightness Enhancement Film™. This film is made from transparent plastic and is textured with microscopically-small prismatic features. By layering two sheets of this film inside a laptop display, the apparent brightness of the display can be doubled.  This film has used in most laptops and flat panel monitors.

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3M Vikuiti™ Brightness Enhancement Film