High Resolution Displays Using NCAP Liquid Crystals

A. Brian Macknick; Phil Jones; Larry White

doi:10.1117/12.976416

25 July 1989 High Resolution Displays Using NCAP Liquid Crystals

A. Brian Macknick, Phil Jones, Larry White

Proceedings Volume 1080, Liquid Crystal Chemistry, Physics, and Applications; (1989) https://doi.org/10.1117/12.976416
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Nematic curvilinear aligned phase (NCAP) liquid crystals have been found useful for high information content video displays. NCAP materials are liquid crystals which have been encapsulated in a polymer matrix and which have a light transmission which is variable with applied electric fields. Because NCAP materials do not require polarizers, their on-state transmission is substantially better than twisted nematic cells. All dimensional tolerances are locked in during the encapsulation process and hence there are no critical sealing or spacing issues. By controlling the polymer/liquid crystal morphology, switching speeds of NCAP materials have been significantly improved over twisted nematic systems. Recent work has combined active matrix addressing with NCAP materials. Active matrices, such as thin film transistors, have given displays of high resolution. The paper will discuss the advantages of NCAP materials specifically designed for operation at video rates on transistor arrays; applications for both backlit and projection displays will be discussed.

Citation Download Citation

A. Brian Macknick, Phil Jones, and Larry White "High Resolution Displays Using NCAP Liquid Crystals", Proc. SPIE 1080, Liquid Crystal Chemistry, Physics, and Applications, (25 July 1989); https://doi.org/10.1117/12.976416

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