Albert Pinyol

Electrofragmentation modeling of conductive coatings on polymer substrates

Received 8 June 2009; accepted 26 October 2009; published online 3 December 2009Damage occurring under tensile loading and the resulting increase in electrical resistance oftin-doped indium oxide and amorphous graphite coatings on various polymer substrates areinvestigated, using an electrofragmentation method

23.1: Invited Paper: Models and Experiments of Mechanical Integrity for Flexible Displays

Flexible displays present a challenging problem in terms of mechanical integrity, a result of the considerable hygro-thermomechanical contrast between the inorganic, brittle device layers and the compliant polymer substrates. This paper reviews the main approaches to study and identify the key factors, which control the mechanical stability of this class of displays. Focus is put on the analyses of residual stress and damage under tensile loading. Novel electro-mechanical methods are used for accurate insight into critical phenomena. An important result is that the thickness and stiffness of the substrate control the critical strain for failure of the device layers.

Electro-Fragmentation Analysis of Dielectric Thin Films on Flexible Polymer Substrates

Article history: An electro-fragmentation m Received 4 September 2008 Received in revised form 24 October 2008 Accepted 27 October 2008 Available online 6 November 2008