43.1: Invited Paper: Inkjet Printed Polymer Thin Film Transistors for Active-Matrix Display Applications

We have recently demonstrated fabrication of polymer thin film transistor (TFT) circuits by a combination of solution self-assembly and direct inkjet printing. Control over the morphology of the polymer semiconductor and uniaxial alignment of polymer chains parallel to the direction of current flow in the device is obtained by making use of polymer self-organisation. Accurate definition of the transistor channel and other circuit components is achieved by direct inkjet printing combined with surface energy patterning. Here we discuss the application of this novel manufacturing process for polymer TFTs to active matrix displays. We will focus on advantages and disadvantages of polymer TFT technology compared with conventional thin film silicon devices.