A flexible optically driven liquid crystal display based on RM257 doping

Abstract

With advances in technology, requirements for the performance of liquid crystal displays (LCDs) are gradually increasing, especially for flexible displays, which involve many new challenges. Here, we propose a new method for implementing optically driven LCD flexible displays. Upon doping an E7 nematic liquid crystal (LC) with RM257 liquid crystal monomer and polymerizing it using ultraviolet light, a polymer network forms as the spacer between the two substrates of the LC, maintaining the surrounding E7 LC in a relatively stable state and improving the mechanical properties of the LC. This also endows the LC mixture with a limited capacity for deformation recovery and enables uniform deformation under stress, thereby achieving flexible displays. Applying an electric field to the two ends of the LC cell, the viscosity coefficient of the LC molecules is improved and the rewriting time can be optimized. This type of LC cell can be programmed through light control, achieving low power consumption for a wearable display device.