A novel luminophore TPENSOH was facilely synthesized from the building blocks of tetraphenylethylene and 6-hydroxylbenzothiazole and exhibited unique AIE properties. This new dye was found to show a remarkable and reversible four-color switching based on a single molecule in the solid state.

Image flicker will cause the degradation of image quality of liquid crystal display. In this paper, the image flicker of polymer‐sustained‐alignment liquid crystal display panel is studied experimentally. We found that optimizing Vcom voltage can reduce image flicker. In addition, image flicker is sensitive to the low‐level gate voltage Vgl and high‐level gate voltage Vgh. Vgl and Vgh should be carefully optimized to minimize image flicker. Voltage holding ratio is affected by TFT’s leakage current Ioff(TFT), liquid crystal’s leakage current Ioff(lc), and circuit’s capacitance. A high resistivity liquid crystal material and high off‐state resistance of TFT should be applied to improve voltage holding ratio and reduce image flicker. Light leakage is another important factor affecting image flicker. By optimizing the shape of gate to shade the TFT channel, the image flicker can be reduced.