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Thin-film barrier on foil for organic LED lamps

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Author: Assche, F.J.H. van · Rooms, H.C.A. · Young, E.W.A. · Michels, J. · Mol, A.M.B. van · Rietjens, G. · Weijer, P. van de · Bouten, P.
Institution: TNO Industrie en Techniek
Source:Association of Industrial Metallizers, Coaters and Laminators Fall Technical Conference and 22nd International Vacuum Web Coating Conference 2008, 19 - 22 October 2008, Myrtle Beach, SC, USA, 1152-1173
Identifier: 464296
ISBN: 9781605607962
Keywords: Electronics · Cyclic bending tests · Deposited silicon nitride films · Lifetime testing · Low temperature plasmas · Moisture barriers · Organic LEDs · Planarization layers · Roll to Roll · Transparent barrier · Water vapor transmission rate · Coatings · Optical testing


Within the Holst centre a transparent barrier on foil has been under development which is based on low-temperature plasma deposited silicon nitride films as intrinsic moisture barrier, stacked with planarization layers to spatially separate defects in these films. OLED lifetime testing and water vapor transmission rate measurements using a Ca-mirror test have been performed, and the barriers have been submitted to strain and cyclic bending tests to asses their feasibility within a roll to roll production environment.