Coming Display Screens that can wrap around a Pencil.

Sony Develops a “Rollable” OTFT*1-driven OLED Display that can wrap around a Pencil.Sony Corporation (‘Sony’) announced that it developed a super-flexible 80 μm-thick 4.1-in 121 ppi OTFT*1-driven full color OLED display which can be wrapped around a thin cylinder.

To create the display, Sony developed OTFTs with an original organic semiconductor material (a PXX derivative) with eight times*2 the current modulation of conventional OTFTs. This was achived due to the development of integration technologies of OTFTs and OLEDs on an ultra-thin 20 μm thick flexible substrate (a flexible on-panel gate-driver circuit with OTFTs which is able to get rid of convetinal rigid driver IC chips interfering roll-up of a display) and soft organic insulators for all the insulators in the integration cuircuit. By combining these technologies, Sony successfully demonstrated the world’s first OLED panel*3 which is capable of reproducing moving images while being repeatly rolled-up – around a cylinder with a radius of 4 mm – and stretched. Sony will unveil the results of this development on May 27 at “SID (Society for Information Display) 2010 International Symposium” in Seattle, WA (May 23-28).

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