Achromatic reflection by long-pitch chiral-nematic liquid crystal and its application to displays switchable between reflective and transmissive modes

Tae-Hoon Yoon; Ki-Han Kim; Dong Han Song; Jae Chang Kim

doi:10.1117/12.877046

3 February 2011 Achromatic reflection by long-pitch chiral-nematic liquid crystal and its application to displays switchable between reflective and transmissive modes

Tae-Hoon Yoon, Ki-Han Kim, Dong Han Song, Jae Chang Kim

Author Affiliations +

Proceedings Volume 7956, Advances in Display Technologies; and E-papers and Flexible Displays; 79560G (2011) https://doi.org/10.1117/12.877046
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

We propose a chiral-nematic liquid crystal (CN-LC) device that reflects the infrared light, where the planar state is transparent over the entire visible wavelengths and the focal conic state scatters the light achromatically. The proposed CN-LC device can be operated at a low voltage because of the long pitch. A liquid crystal display (LCD) switchable between reflective and transmissive modes can be realized by stacking a CN-LC layer and a nematic LC layer.

Citation Download Citation

Tae-Hoon Yoon, Ki-Han Kim, Dong Han Song, and Jae Chang Kim "Achromatic reflection by long-pitch chiral-nematic liquid crystal and its application to displays switchable between reflective and transmissive modes", Proc. SPIE 7956, Advances in Display Technologies; and E-papers and Flexible Displays, 79560G (3 February 2011); https://doi.org/10.1117/12.877046

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