Question

where could oled be used to great efffect

Answer 1

The LEDs in today's LED televisions are actually used only to provide a white back light, which then shines through a rapidly-refreshing LCD shutter array which tints the emanating light. OLEDs, on the other hand, operate as both light source and color array simultaneously. This may not sound like a big difference, but does offer a wide range of benefits including:

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