1. Understand the basic principle of LC display (TN-LCD).
2. Measure the response curve of LC sample.
3. Calculate parameters such as threshold voltage (Vt) and saturation voltage (Vs).
4. Measure the transmittance of LC switch.
5. Observe transmittance change versus viewing angle.
Specifications| Item | Specifications |
| Semiconductor Laser | 0~3 mW, adjustable |
| Polarizer/Analyzer | 360° rotation, division 1° |
| LC Plate | TN-type, area 35mm × 80mm, 360° horizontal rotation, division 20° |
| LC Driving Voltage | 0 ~ 11 V, 60-120Hz |
| Voltmeter | 3-1/2 digit, 10 mV |
| Photodetector | high speed |
| Current meter | 3-1/2 digit, 10 μA |
| Description | Qty |
| Electric control unit | 1 |
| Diode laser | 1 |
| Photo receiver | 1 |
| LC plate | 1 |
| Polarizer | 2 |
| Optical bench | 1 |
| BNC cable | 2 |
| Manual | 1 |