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|Title:||Wide viewing angle and fast responding TN LCD|
Shankar Rao, D.S.
|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.|
|Copyright:||2004 Taylor & Francis|
|Appears in Collections:||Research Papers (SCM)|
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