EETimes.com – Sony develops ‘rollable’ OLED display.
LONDON — Sony Corp. has developed a highly flexible OLED display that can be rolled around a pencil and continue to operate.The 4.1-inch diagonal isplay is 80-microns thick and offers 432 by 240 by RGB pixels resolution at 121 pixels per inch. It is an organic LED full color display driven by an organic thin-film transistor matrix.
The key to the display is the use of a peri-Xanthenoxanthene (PXX) derivative with eight times the current modulation of conventional OTFTs. This was achieved due to the development of integration technologies of OTFTs and OLEDs on an ultra-thin 20-micron thick flexible substrate together with soft organic insulators for all the insulators in the integration circuit.
The panel is capable of reproducing moving images while being repeatedly rolled-up and stretched around a cylinder with a radius of 4-mm. Sony is set to unveil the display on May 27 at the Society for Information Display 2010 International Symposium in Seattle.
 Sony’s rollable OLED display, due to show at the Society for Information Display 2010 International Symposium (click on image to enlarge). |
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