Fast bistable switching of a cholesteric liquid crystal device induced by application of an in-plane electric field.
Appl Opt
; 53(31): 7321-4, 2014 Nov 01.
Article
em En
| MEDLINE
| ID: mdl-25402894
ABSTRACT
We propose a method for fast bistable switching of cholesteric liquid crystals. Fast switching from the focal conic to the planar state can be achieved by applying an in-plane electric field to the device for a short time. The in-plane field induces a transient state, which relaxes rapidly to the initial planar state. We demonstrated that the switching time from the focal conic to the planar state could be reduced from 150 to 5 ms by applying an in-plane field instead of a vertical field. We achieved a total response time of less than 10 ms. The proposed device is applicable to a reflective display and to other optical switching devices requiring both fast response time and low power consumption.
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MEDLINE
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En
Ano de publicação:
2014
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Article