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Simple Detachment Patterning of Organic Layers and Its Application to Organic Light-Emitting Diodes



A new detachment patterning technique is applied to the fabrication of a green organic light-emitting diode (OLED). The method (applicable to organic and inorganic substrates) involves simply placing a patterned PDMS mold in conformal contact with the organic layer to be patterned, annealing at a temperature below the glass transition temperature for a period of time, and then removing the mold after cooling to room temperature. The parts of the organic layer in contact with the mold become detached from the substrate upon removing the mold.

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