Sony OLED Screen Thin Enough to Wind Up Around a Pencil

The technology hinges on a new kind of organic thin-film transistor (OTFT) based on a new semiconducting material that has eight times the current modulation rate of existing OTFTs. This makes the display powerful, but there's at least one more clever trick--instead of relying on driving electronics based on conventional solid chips in their familiar little black plastic packages, Sony's built all the display driver tech out of OTFTs themselves, and integrated them into the actual panel the display itself is made on. This is crafted from a super-thin (20 micron-thick) substrate, making it flexible enough to be repeatedly rolled around a tube of diameter of just 4mm, as well as being stretched.

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