Abstract

Flexible optically rewritable reflective TN LC display based on photoalignment technology has been demonstrated. The rewritable display does not require any electronic scheme, power supply, or conductive layers, when operating. Such a display can erase and write images for many times because of LC alignment reorientation onto one photoalignment layer under exposure of a polarized UV light. The image can be saved with a very high contrast for a long time.

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