Reflective cholesteric displays from conducting polymer substrates

William J. Fritz; Steven W. Smith; Richard Hewitt; J. William Doane; Ling Huang; Catherine Elizabeth O'Ferrall; Ranganathan Shashidhar

doi:10.1117/12.271391

11 April 1997 Reflective cholesteric displays from conducting polymer substrates

William J. Fritz, Steven W. Smith, Richard Hewitt, J. William Doane, Ling Huang, Catherine Elizabeth O'Ferrall, Ranganathan Shashidhar

Author Affiliations +

Proceedings Volume 3015, Liquid Crystal Materials, Devices, and Applications V; (1997) https://doi.org/10.1117/12.271391
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

There is a great deal of interest in reflective cholesteric liquid crystal displays (Ch-LCDs) because they are lightweight, low power flat-panel displays. Furthermore, Ch- LCDs can be made bistable which allows for the manufacture of large area, high-resolution displays without the need for expensive, difficult to manufacture active matrix addressing schemes. Also, the bistability enables flicker-free operation. Currently, these displays are made using glass substrates. However, some applications require rugged (i.e., nonbreakable), flexible displays. The use of a plastic substrate would fulfill these requirements. The transparent metal indium tin oxide (ITO) is currently used as the conducting electrode on glass as well as plastic substrates. While ITO works well with glass, it does not adhere as well to plastic, is brittle, and has a tendency to break under constant bend conditions. In this paper, we investigate substituting the more robust conducting polymer for ITO as the display electrode and determine the feasibility of producing a reflective Ch-LCD using plastic substrates with conducting polymer electrodes.

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William J. Fritz, Steven W. Smith, Richard Hewitt, J. William Doane, Ling Huang, Catherine Elizabeth O'Ferrall, and Ranganathan Shashidhar "Reflective cholesteric displays from conducting polymer substrates", Proc. SPIE 3015, Liquid Crystal Materials, Devices, and Applications V, (11 April 1997); https://doi.org/10.1117/12.271391

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KEYWORDS

LCDs

Polymers

Electrodes

Reflectivity

Liquid crystals

Glasses

Manufacturing

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