Liquid crystal display

Details Liquid crystal display Liquid crystal display

G - Physics

02

F

345/8

G02F 1/133 (2006.01) G02F 1/139 (2006.01)

Patent

CA 1242784

ABSTRACT In a liquid crystal display based on the bistability effect, the distance between the support plates is smaller that 10 µm and the total twist of the liquid crystal is between 180° and 360°, preferably about 270°. Over the entire viewing area of the display, randomly distributed spacers are provided. Because of these measures, the range of the bistable action is so narrowed that the display can be driven with operating voltages outside this range, using conven- tional multiplexing techniques. A high degree of multiplexing with short switching times and excellent contrast is obtained. The range of viewing angles is very large and independent of the direction of illumination.

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