1987-02-01

M-TN (Modulated TN)-A New Type of LCD-Offers Improved Contrast, Viewing Angle and Temperature Characteristics for LCD Instruments 870206

A new twisted nematic (TN) technology based on a modulated cell thickness is described. By comparing electrooptical properties, this new M-TN technology is shown to overcome most of the problems of standard TN cells in the negative mode. It is demonstrated that M-TN displays offer improved contrast and viewing angle and a neutral grey background colour over a wide range of temperatures and viewing directions. Some predestined fields of use are discussed.

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