Fig. 1. （a）Schematic diagram of the orientation of BY molecules during exposure to linearly polarised light；（b）Schematic diagram of BY molecular orientation during tilted unpolarised light exposure；（c）Schematic diagram of liquid crystal polymers during UV polymerization；（d）Schematic diagram of liquid crystal monomer after polymerization.

Fig. 2. Pretilt angle versus solute concentration

Fig. 3. Variation of transmittance of liquid crystal films with different exposure times，P denotes the polarizer，A denotes the analyzer and α indicates the orientation of liquid crystal alignment.

Fig. 4. （a）Variation of pretilt angle with exposure time；（b）Variation of pretilt angle with the number of liquid crystal layers.

Fig. 5. （a）Variation of pretilt angle of liquid crystal film with exposure time；（b）Variation of pretilt angle of liquid crystal film with heating time.

Fig. 6. Patterning of liquid crystal polymers，P denotes the polarizer，A denotes the analyzer and α denotes the orientation of the liquid crystals.