Charge-injecting layers for liquid crystal light valves

Neil Collings; Timothy David Wilkinson; Anna Jeziorska; A. B. Davey; Bijan Movaghar; William A. Crossland

doi:10.1117/12.548644

8 September 2004 Charge-injecting layers for liquid crystal light valves

Neil Collings, Timothy David Wilkinson, Anna Jeziorska, A. B. Davey, Bijan Movaghar, William A. Crossland

Proceedings Volume 5464, Organic Optoelectronics and Photonics; (2004) https://doi.org/10.1117/12.548644
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

A light valve is a key component for optical signal processing. A liquid crystal layer is activated by light due to a proximate photoconducting layer. Contemporary commercial light valves are made with an amorphous silicon photoconducting layer which offers an impedance change between light and dark states of up to three orders of magnitude. One drawback of using amorphous silicon is that the resolution of the valve is limited by lateral photocharge spreading. We hope to overcome this by using thin organic photoconducting layers.

Citation Download Citation

Neil Collings, Timothy David Wilkinson, Anna Jeziorska, A. B. Davey, Bijan Movaghar, and William A. Crossland "Charge-injecting layers for liquid crystal light valves", Proc. SPIE 5464, Organic Optoelectronics and Photonics, (8 September 2004); https://doi.org/10.1117/12.548644

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