A nanowire-based shift register for display scan drivers

Taekyung Lim, Seong Jin Ahn, Misook Suh, Oh Kyong Kwon, Meyya Meyyappan, Sanghyun Ju

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


The development of display scan drivers is an essential step in the effort to develop transparent and flexible display devices based on nanowire transistors. Here we report a transparent nanowire-based shift register that functions as the standard logic circuit of a display scan driver. To form the shift register circuits using only n-type nanowire transistors, a novel circuit structure was introduced to avoid the output voltage drop typical of purely n-type circuits. A circuit simulation based on the measured nanowire transistor characteristics was developed in the planning phase to verify the circuit operation of the shift register. The shift register successfully produced an output of 0-3V without an output voltage drop while applying an input of 3 V peak to peak. In addition, the shift register was designed to have multiple channels with a randomly oriented nanowire placement method to enhance the operation yield.

Original languageEnglish
Article number405203
Issue number40
StatePublished - 2011 Oct 7

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