Daisuke Goto, Masataka Mohri, Kei Morimoto, Aleksandre Mzhavia and Chihaya Adachi OLEDs: 100 μm-Order Patterning of Organic Semiconductor Layers Using a Thermally Converted Precursor Technique and its Application to Organic Light Emitting Diodes (Advanced Optical Materials 2/2014) Advanced Optical Materials 2
High-resolution patterning of organic semiconductor layers using a thermally converted precursor is demonstrated by C. Adachi and co-workers on page 110. A precursor is prepared that can be thermally converted into α,β-TNB, losing its solubilizing groups to produce an insoluble component in isopropanol. Narrow pixel arrays with widths of 100–180 μm are then formed by thermal conversion of the α,β-TNB precursor, providing an OLED performance comparable to those made by vacuum deposition.
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