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All jet-printed polymer thin-film transistor active-matrix backplanes
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10.1063/1.1801673
/content/aip/journal/apl/85/15/10.1063/1.1801673
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/15/10.1063/1.1801673
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Figures

Image of FIG. 1.
FIG. 1.

Process flow for the fabrication of polymer TFTs by inkjet printing. Steps 1–4 use a subtractive process for patterning of materials. The subtractive process prints an etch mask on a previously deposited film. Step 5 illustrates the additive ink jet printing process. The additive process simultaneously deposits and patterns the semiconductor material PQT-12.

Image of FIG. 2.
FIG. 2.

(Color) Optical images of a printed polymer TFT array at increasing magnification, showing the whole array (a), small regions of the array (b), and a single device (c). Note the printed semiconductor confined to the channel region and (b) and (c). (d) Equivalent circuit for the pixel, showing the gate and data address lines, the TFT and various capacitances. In the display pixel, the storage capacitor, , is connected to the next gate line. is the parasitic capacitance between the gate line and the pixel and contains all the sources of gate line capacitance, of which the main additional capacitance is to the data line and the TFT channel.

Image of FIG. 3.
FIG. 3.

(a) Transfer and output (inset) characteristics of a typical printed TFT array with and , (b) TFT mobility obtained for different transistors of a printed array, showing an average value of .

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/content/aip/journal/apl/85/15/10.1063/1.1801673
2004-10-19
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: All jet-printed polymer thin-film transistor active-matrix backplanes
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/15/10.1063/1.1801673
10.1063/1.1801673
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