P‐52: Birefringent Colour Reflective Liquid Crystal Displays Using Broadband Cholesteric Reflectors

The application of broadband cholesteric reflectors in birefringent colour reflective LCDs is described. As compared to metallic reflectors, contrast and colour saturation are better, while the brightness is comparable. Moreover, when a cholesteric reflector is used the displays can be operated in the transmissive mode, in which case complementary colours are obtained. In this way transflective displays are obtained without sacrificing brightness of the reflective or the transmissive state.