A Samsung executive talks about the Galaxy Tab display. He said that while Super-AMOLED is the best-in-class display, they are using S-LCD because it's cheaper, there's no supply issues, and it's actually more efficient than AMOLEDs currently (that's not the first time we hear this).

The good news is that next year we're expecting AMOLED supply to rise sharply. And Samsung are planning to double the efficiency of their AMOLED displays soon.

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Atomic Force Microscopy for next-gen OLED processesAtomic Force Microscopy for next-gen OLED processes