What is Twisted Nematic(TN) display technology?

Last Update Date : Mar 21. 2018

The twisted nematic effect (TN-effect) was a main technology breakthrough that made LCDs practical. Unlike earlier displays, TN-cells did not require a current to flow for operation and used low operating voltages suitable for use with batteries.

 

The inexpensive "TN (Twisted Nematic) film" display is the most common consumer display type. The pixel response time on modern TN panels is sufficiently fast to avoid the shadow-trail and ghosting artifacts of earlier production.

 

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More recent use of RTC (Response Time Compensation – Overdrive) technologies has allowed manufacturers to significantly reduce grey-to-grey (G2G) transitions, without significantly improving the ISO response time. Response times are now quoted in G2G figures, with 4ms and 2ms now being commonplace for TN Film based models. The good response time and low cost has led to the dominance of TN in the consumer market. 

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