(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. 18 December 2018. <https://www.yourdictionary.com/dbef>.
DBEF. (n.d.). Retrieved December 18th, 2018, from https://www.yourdictionary.com/dbef
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