FLEXIBLE DISPLAY

ABSTRACT:

                       A durable and flexible display with low-power consumption, high-contrast ratio, has been a technical challenge for years. They have to be lightweight, rugged, and in some cases, conformal, wearable, rollable and unbreakable. The recent successful integration of flexible display technologies and the traditional web-based processing and/or inkjet technologies has opened up the possibility of low cost and high throughput roll-toroll manufacturing and has shown the potential to replace the paper used today.

         A flexible display cannot rely on a normal layer of glass as used in displays common at the time since glass does not fulfill the criteria of flexibility. Instead of glass it is possible to build displays on metal foil and a variety of plastics, each of which pose many difficult issues waiting to be resolved. For example, a plastic substrate replacing glass would need to over some properties of glass, i.e. clarity, dimensional stability, thermal stability, barrier, solvent resistance and a low coefficient of thermal expansion coupled with a smooth surface. No plastic isomers all these properties, yet, so any plastic-based substrate will almost certainly be a multilayer composite structure.

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