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Display Enhancement Films

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What are Display Enhancement Films?

3M™ Brightness Enhancement Film (BEF) and 3M™ Dual Brightness Enhancement Film (DBEF) are recycling, light management films that are used to increase the brightness of backlights used in liquid crystal displays (LCD). The brightness increase can be the primary goal or it can be translated to power savings or thermal management. 3M Enhanced Specular Reflector (ESR) can be used to increase the overall efficiency of the backlight.

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  • An image of a GPS system with 3M™ Brightness Enhancement Film attached to a car dashboard

    3M™ Brightness Enhancement Film

    BEF is a prismatic film that manages the angular output of light from the backlight. BEF uses refraction to compress the backlights output towards an on-axis viewer. BEF films can be used as single sheets or as two sheets crossed at 90° to each other. BEF is available in different configurations that can be useful for specific application needs. BEF can also be used in conjunction with DBEF and ESR.

  • An image of the navigation system inside of a Cadillac with 3M™ Dual Brightness Enhancement Film (DBEF)

    3M™ Dual Brightness Enhancement Film (DBEF)

    DBEF is a multilayer, reflective polarizer. DBEF polarizes the backlights output so that it can transmit through the liquid crystal panel. Light of the wrong polarization is recycled into the backlight. The recycled light would normally be absorbed, and lost, by the rear polarizer of the liquid crystal panel. DBEF increases both brightness and the amount of light available over the entire LCD. DBEF is available in different configurations that can be useful for specific application needs. DBEF can also be used in conjunction with BEF and ESR.

  • Image of a rugged device in a brightly lit environment

    3M™ Dual Brightness Enhancement Film II (DBEF II)

    DBEF II is a thin, multi-layer reflective polarizer. It features two diffuse surfaces to provide brightness enhancement and high visual quality. DBEF II can improve display efficiency, uniformity and defect hiding, and has the ability to prevent wet-out against smooth surfaces. DBEF II also allows you to eliminate a diffuser sheet and thus provides multifunctionality.

  • Image of large monitors

    3M™ Dual Brightness Enhancement Film (DBEF) QV2 with Optically Clear Adhesive (OCA)

    3M DBEF-QV2 with adhesive film is a thin, multi-layer reflective polarizer designed to be laminated to the rear polarizer of an LCD panel to maximize brightness while reducing the risk of warping at higher temperatures. LCD panel efficiency is improved by reducing the amount of light normally absorbed by the panel polarizer.

    3M DBEF QV2 with adhesive allows one polarization of light to pass and the other reflected light is recycled in the backlight to boost display performance, increase end user viewing experience by improving front of the screen performance, and reducing the energy required to drive the backlight.

  • Image of automotive dashboard with 3M™ Enhanced Specular Reflector (ESR) film applied

    3M™ Enhanced Specular Reflector (ESR)

    3M™ Enhanced Specular Reflector (ESR) is a thin film, 100% polymer reflector. ESR is used as the backlight reflector for LCD's. ESR provides ›98% reflectance, across the entire visible spectrum, to maximize the recycling efficiency of backlights for LCD's. ESR can be used in conjunction with BEF and DBEF.


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