DBEF


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DBEF

(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.
References in periodicals archive ?
According to Barron's recent roundtable on global ETFs, just two ETFs -- Wisdom Tree Europe Hedged Equity (HEDJ) and Deutsche X-Trackers MSCI EAFE Hedged Equity (DBEF) - have taken in about a third of all the inflows into ETFs this year.
In 2014 DBEF gained 5.3%, while its ETF peers in the foreign large blend category lost 5% on average, according to Morningstar.
The core components in a TV with an LED backlight unit XLED chips, LGP (light guide plate), and DBEF (dual brightness enhancement film)X are not used in conventional cold cathode fluorescent lamps (CCFL) backlight units for LCD TVs.