Improved Performance of a single-Polarizer, Duble-Layered TN-LCD with a Retardation Film

Abstract

In this report, we numerically analyzed the relationship between the electro-optical properties and the driving voltage in a single-polarizer reflective DTN-LCD with a retardation film in order to confirm the possibility to reduced power consumption. We found that the LCD exhibits an achromatic image of high luminous reflectance and high contrast ratio, even if the on-voltage of TFT-LCD is reduced to 2V. the power consumption can thus be decreased to about 1/6 to 1/7 of that of a conventional reflective TFT-LCD of 5V at on-state.