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TN Positive LCD Display

Twisted Nematic fluid is the most inexpensive and has the narrowest viewing angle. It does have a faster response time in colder weather than STN and FSTN

They are preferred in terms of price performance because they provide a serious cost advantage. Liquid crystals are arranged in a spiral pattern of maximum 90 degrees and below. Although they are very economical, their viewing angles and contrasts are low. They are preferred in low cost applications (Digital Clocks, Energy Meters, Metering Controllers etc.).