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LCD, OLED, LED, QNED... are acronyms that represent very interesting technologies that are being used to create the screens of the monitors and televisions that we all use. But... what makes each technology different? In today's video we will review the fundamentals behind how a screen works and the new screens based on Quantum Dots. Turn up the brightness on your screen, and let's get started! ► Thanks to LG for sponsoring this video! #sponsored -- ⌚ INDEX -- 00:00 - Introduction 01:07 - How does a CRT TV work? 03:16 - Light and polarized filters 04:37 - How does an LCD screen work? 06:26 - LCD vs OLED screens 07:55 - Quantum Dots and MiniLEDs 11:04 - Conclusion -- MORE DOTCSV! --- ???? NotCSV - Secondary Channel! / notcsv ???? Patreon : / dotcsv ???? Facebook : / ai.dotcsv ???? Twitch!!! : / dotcsv ???? Twitter : / dotcsv ???? Instagram : / dotcsv - MORE SCIENCE! -- ???? This channel is part of the SCENIO outreach network. If you want to learn about other fantastic outreach projects, go here: http://scenio.es/colaboradores