New Post Public Reply Private Reply Replies (1) Message Board ← Newer Older → Banoffee Puravida19 #8439 Nov 8, 2017 at 3:04 PM 281 The Apple patent looks to be a more efficient way to use QDs in the backlight unit. It's related to LCD displays and it's blue LED backlight - not blue film. Quantum Materials Corp. (QTMM) Stock Research Links QTMM Board Company Profile Buy Rating Time & Sales News Filings Financials Newer Older