Electro-optic properties of polymer dispersed cholesteric liquid crystal in the infrared

Authors

Fairland F. Amos ⋅ PH National Institute of Physics, University of the Philippines Diliman
Deña Mae Agra ⋅ PH National Institute of Physics, University of the Philippines Diliman
Zenaida B. Domingo ⋅ PH National Institute of Physics, University of the Philippines Diliman
Leonorina G. Cada ⋅ PH Institute of Chemistry, University of the Philippines Diliman

Abstract

Polymer dispersed liquid crystals (PDLCs) are low-molecular weight nematic liquid crystals dispersed in a polymer binder. PDLC have found applications in industry due to their stability under various environmental conditions.
Recently, Crooker and Yang [Appl. Phys. Lett. 57, 2529 (1990)] have developed a reflective color display using cholesteric liquid crystals in PDLC. In this device the selective reflection of highly chiral liquid crystals with negative anisotropy is used to switch from a fleld off state without reflectivity to a colored reflecting state. The resulting system is called polymer dispersed cholesteric liquid crystal (PDCLC). Unlike the PDLCs, PDCLCs are colorful due to the optical properties of cholesteric liquid crystals.
Due to the colorful nature of cholesteric liquid crystals, PDCLCs have found applications in the visible range. This research aims to study PDCLCs in the infrared region.

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Issue

1996: Proceedings of the 14th National Physics Congress of the Samahang Pisika ng Pilipinas

Article ID

SPP-1996-LC-05

Section

Liquid Crystals

Published

1996-12-06

How to Cite

[1]

FF Amos, DM Agra, ZB Domingo, and LG Cada, Electro-optic properties of polymer dispersed cholesteric liquid crystal in the infrared, Proceedings of the Samahang Pisika ng Pilipinas 14, SPP-1996-LC-05 (1996). URL: https://proceedings.spp-online.org/article/view/SPP-1996-LC-05.