HPDLC color reflective displays

Haiji Yuan; James J. Colegrove; Gongian Hu; Thomas G. Fiske; Alan Lewis; John Gunther; Lou Silverstein; Chris Bowley; Gregory P. Crawford; L-C. Chien; Jack R. Kelly

doi:10.1117/12.357593

16 August 1999 HPDLC color reflective displays

Haiji Yuan, James J. Colegrove, Gongian Hu, Thomas G. Fiske, Alan Lewis, John Gunther, Lou Silverstein, Chris Bowley, Gregory P. Crawford, L-C. Chien, Jack R. Kelly

Author Affiliations +

Proceedings Volume 3690, Cockpit Displays VI: Displays for Defense Applications; (1999) https://doi.org/10.1117/12.357593
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

We have carried out experiments and simulations to optimize the materials and processes for fabricating holographically formed polymer dispersed liquid crystal (HPDLC) devices. Bright reflective HPDLC displays with peak reflection above 60% have been achieved with fast, sub-millisecond (tau) _ON + (tau) _OFF switching speed. The switching voltage has been reduced by more than a factor of 2 by selecting appropriate liquid crystal and polymer materials and by the addition of surfactants. The viewing angle of HPDLCs has been extended by a novel fabrication technique. We have fabricated color HPDLC demonstration displays by stacking red, green, and blue HPDLC layers and have achieved the widest color gamut that has ever been reported for a reflective display. The methods for making these novel color reflective displays and the measured are presented.

Citation Download Citation

Haiji Yuan, James J. Colegrove, Gongian Hu, Thomas G. Fiske, Alan Lewis, John Gunther, Lou Silverstein, Chris Bowley, Gregory P. Crawford, L-C. Chien, and Jack R. Kelly "HPDLC color reflective displays", Proc. SPIE 3690, Cockpit Displays VI: Displays for Defense Applications, (16 August 1999); https://doi.org/10.1117/12.357593

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