Sony rollable OTFT-driven OLED display sign of future folded tablets

Can you imagine a rolled tablet like a size of a pen on your pocket? More or less 5 years this can possibly the scenarios as Sony introduce their roll-able OLED display at SID-2010 Washington. Hit on the continue link for details and video.


Sony’s OTFT-driven OLED display measures only 4.1 inch an is just 80 um thick which is made by thin organic film transistors. It has a resolution of 121 ppi 432×240 pixel and 16.8 million colors, contrast of 1000:1.

Sony will proceed with the development of the solution / print based process which manufactures display devices from organic materials that are easily dissolved in common solvents. This process requires fewer steps, and consumes materials and energy more efficiently – thus has a smaller environmental footprint – compared to the conventional high temperature vacuum semiconductor process which use inorganic, silicon materials.
Sony will continue to improve the performance and reliability of its flexible organic displays because the application of these developments are expected to yield thin, light-weight, durable and mobile devices with enhanced form-factor.
Specification of the rollable OTFT-driven OLED display
size of a panel : 4.1 inch wide
number of pixels : 432 x 240 x RGB pixels
size of a pixel : 210?m x 210?m
resolution : 121 ppi (pixels per inch)
number of colors : 16,777,216
peak luminance : >100 cd/m2
contrast ratio : >1000:1
minimum bending radius : 4 mm
driving scheme : 2T-1C voltage programming with OTFTs
thickness of a panel : 80?m

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