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Research Article

Study of polymer-stabilized cholesteric liquid crystals for reflective displays in active matrix driving

, , , , , , & show all
Received 28 Mar 2024, Accepted 17 Jun 2024, Published online: 07 Jul 2024

Figures & data

Figure 1. (a) RV curve under different cell gap for cholesteric liquid crystal mixture (E7 CLC with 5% RM257) with polymerization temperature fixed at 25°C. (b) RV curve with varying concentrations of polymer monomer (RM257) for cholesteric liquid crystal (E7 CLC) with polymerization temperature fixed at 25°C.

Figure 1. (a) RV curve under different cell gap for cholesteric liquid crystal mixture (E7 CLC with 5% RM257) with polymerization temperature fixed at 25°C. (b) RV curve with varying concentrations of polymer monomer (RM257) for cholesteric liquid crystal (E7 CLC) with polymerization temperature fixed at 25°C.

Figure 2. (a) RV curve at various polymerization temperatures for cholesteric liquid crystal (E7 CLC) mixed with 3% polymer monomer (RM257). (b) RV Curve at 25°C for cholesteric liquid crystal (E7 CLC) with varying concentration ratios of polymer monomers RM257 and M1.

Figure 2. (a) RV curve at various polymerization temperatures for cholesteric liquid crystal (E7 CLC) mixed with 3% polymer monomer (RM257). (b) RV Curve at 25°C for cholesteric liquid crystal (E7 CLC) with varying concentration ratios of polymer monomers RM257 and M1.

Figure 3. (a) RV curve at 25°C for cholesteric liquid crystal (E7 CLC and HTG CLC) with 4% polymer monomers RM257 and M1. (b) RV curve at different polymerization temperatures for cholesteric liquid crystal (HTG CLC) with 4% polymer monomer M1.

Figure 3. (a) RV curve at 25°C for cholesteric liquid crystal (E7 CLC and HTG CLC) with 4% polymer monomers RM257 and M1. (b) RV curve at different polymerization temperatures for cholesteric liquid crystal (HTG CLC) with 4% polymer monomer M1.

Figure 4. Cholesteric liquid crystal with HTG as the host, polymerized at 15°C, and mixed with 4% M1. (a) Hysteresis and bright-dark state contrast ratio, (b) response time, (c) number of repeated voltage applications, and (d) reflective spectrum at different voltages.

Figure 4. Cholesteric liquid crystal with HTG as the host, polymerized at 15°C, and mixed with 4% M1. (a) Hysteresis and bright-dark state contrast ratio, (b) response time, (c) number of repeated voltage applications, and (d) reflective spectrum at different voltages.