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Low Molar Mass Glassy Chiral Nematic Oligomer With Large Polarization Bandwidth

Published online by Cambridge University Press:  10 February 2011

S. Krishnamurthy ,
M. Kalmanash  and
V. Sethna
S. Krishnamurthy
Affiliation:
Kaiser Electronics, 2701 Orchard Parkway, San Jose, CA 95134
M. Kalmanash
Affiliation:
Kaiser Electronics, 2701 Orchard Parkway, San Jose, CA 95134
V. Sethna
Affiliation:
Kaiser Electronics, 2701 Orchard Parkway, San Jose, CA 95134
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Abstract

A novel low molar mass glassy chiral nematic oligomer has been developed that exhibits a large selective reflection bandwidth (>100 nm). This has immense potential in applications requiring the polarization of light over a broad spectral bandwidth, corresponding to the range of human vision, with minimal absorption and high efficiency. Definite advantages are observed over other low molar mass and polymeric chiral nematic materials reported in the literature that typically have narrower polarization bandwidths requiring more complex structures to cover the visible spectrum. The glass transition and clearing temperatures of this material are well separated, that in turn facilitates device processing. Devices up to 4"×5" have been successfully fabricated. Their optical properties are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 425: Symposium I – Liquid Crystals for Advanced Technologies , 1996 , 253
Copyright
Copyright © Materials Research Society 1996

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