Letter: Driving waveforms based on powder charge for a quick-response liquid-powder display

Chang Jing Yang, Yung Fang Chen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A driving waveform based on the powder charge of a quick-response liquid-powder display (QR-LPD®) was investigated. The charging mechanisms for contact charging and triboelectric charging determine the powder charge of a QR-LPD®. In this letter, driving waveforms containing both charging mechanisms are used for driving a QR-LPD®. As the experimental results indicate, the charge of the powder accumulates according to the image refresh times. The waveform of a pixel voltage with a slight frictional charge achieves a better contrast ratio for a QR-LPD®.

Original languageEnglish
Pages (from-to)300-303
Number of pages4
JournalJournal of the Society for Information Display
Volume20
Issue number6
DOIs
StatePublished - Jun 2012

Keywords

  • Driving waveform
  • Electrophoretic displays (EPDs)
  • Powder charge
  • Quick-response liquid-powder display (QR-LPD®)

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