Preprint Article Version 1 This version not peer reviewed

Rapid Prototyping of Slot Die Devices for Roll to Roll Production of EL Fibers

Version 1 : Received: 28 April 2017 / Approved: 1 May 2017 / Online: 1 May 2017 (07:25:50 CEST)

A peer-reviewed article of this Preprint also exists.

Bellingham, A.; Bromhead, N.; Fontecchio, A. Rapid Prototyping of Slot Die Devices for Roll to Roll Production of EL Fibers. Materials 2017, 10, 594. Bellingham, A.; Bromhead, N.; Fontecchio, A. Rapid Prototyping of Slot Die Devices for Roll to Roll Production of EL Fibers. Materials 2017, 10, 594.

Journal reference: Materials 2017, 10, 594
DOI: 10.3390/ma10060594

Abstract

There is a growing interest in fibers supporting optoelectrical properties for textile and wearable display applications. Solution-processed electroluminescent (EL) material systems can be continuously deposited onto fiber or yarn substrates in a roll-to-roll process, making it easy to scale manufacturing. It is important to have precise control over layer deposition to achieve uniform and reliable light emission from these EL fibers. Slot-die coating offers this control and increases the rate of EL fiber production. Here, we report a highly adaptable, cost-effective 3D printing model for developing slot dies used in automatic coating systems. The resulting slot-die coating system enables rapid, reliable production of alternating current powder-based EL (ACPEL) fibers and can be adapted for many material systems. The benefits of this system over dip-coating for roll-to-roll production of EL fibers are demonstrated in this work.

Subject Areas

electroluminescent; 3D-printing; rapid prototyping; light-emitting fibers; roll-to-roll process

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