Abstract
Ultra-slim flexible glass substrates enable high performance displays and
electronic devices through their inherent benefits of a high-quality surface, process
compatibility, thermal and dimensional stability, optical transmission, and barrier
properties. This study demonstrates use of flexible glass as a backplane substrate for
both active matrix displays with organic thin-film transistors (TFTs) as well as
segmented displays. The demonstrated 4.7-inch active matrix VGA displays have a
resolution of 170 dpi (640 x 480 pixels), pixel size of 150 μm x 150 μm, and
aperture ratio of 40%. The dimensional stability benefit of flexible glass was clearly
observed when compared to the registration of polymer substrate devices. This study
demonstrates the capability and benefits of flexible glass substrates in devices
fabricated with solution-based processing as a step toward roll-to-roll flexible
electronic fabrication.
© 2012 IEEE
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