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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/5082

Title: Wide viewing angle and fast responding TN LCD
Authors: Chandrasekhar, S.
Raja, V.N.
Prasad, S.K.
Shankar Rao, D.S.
Issue Date: 2004
Publisher: Taylor & Francis
Citation: Molecular Crystals and Liquid Crystals, 2004, Vol.410, p359
Abstract: A new type of TN display device has been fabricated by sandwiching a dual frequency addressable nematic liquid crystal material between two unrubbed polyimide coated glass plates. Between crossed polarizers, the bright state is observed by applying a high frequency electric field, while the dark state by applying a low frequency electric field of similar strength. This dual frequency addressed rubbing free device shows very wide and highly symmetric viewing angle characteristics, with contrast ratio comparable to that of a rubbed TN device, and with very fast response time. Addressing the device in a “dual frequency dual amplitude pulsed mode” leads to only a small increase (1.5 times) in power consumption in comparison with the conventional single frequency addressed device.
Description: Restricted Access
URI: http://hdl.handle.net/2289/5082
ISSN: 1542-1406
1563-5287 (Online)
Alternative Location: http://dx.doi.org/10.1080/15421400490433163
Copyright: 2004 Taylor & Francis
Appears in Collections:Research Papers (SCM)

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