Abstract
We investigate the use of microsystems (MEMS) in the direct patterning of materials needed for organic optoelectronic devices on large area low-cost substrates.We present a new high-resolution printing technique for depositing molecular organic semiconductor materials on substrates. By depositing the materials directly from the gas phase, without liquid phase coming in contact with the substrate, we aim at avoiding the limitations encountered when inkjet printing such materials.One of the main advantages of this technique is that it does not require a vacuum, which is very significant for achieving lowcost fabrication.Our micromachined printhead was used, in conjunction with inkjet technology for the delivery of liquid phase material, to print patterns of organic material.
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