(Dual Brightness Enhancement Film) A film from 3M that increases the brightness of LCD screens. The film recycles most of the light that is normally lost in the rear polarizer.
"DBEF." YourDictionary, n.d. Web. 17 January 2019. <https://www.yourdictionary.com/dbef>.
DBEF. (n.d.). Retrieved January 17th, 2019, from https://www.yourdictionary.com/dbef
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