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PDLC film (polymer dispersed liquid crystal film, also called switchable transparent film) which is a kind of high-tech product can switch from transparent to opaque instantaneously under electricity application. It is transparent when power on and it is opaque when power off. It can be regulated and adjusted the light transmittance pass through the film by electricity supply.
The film is composed of PET film,ITO film,polymer and liquid crystal molecules. When the film is under off state, the randomly aligned liquid crystal molecules stay along on the walls of capsule, the reflection of liquid crystal molecules and polymer makes light disperses then it is opaque. While electricity supplied, these molecules arrange themselves in a specific direction then parallel light can pass through the film makes it transparent.
Principle and Structure for switchable transparent pdlc film
VL-size of switchable transparent pdlc film
Film Type | Standard Sizes ( meter) |
PDLC Film in sheet | 1 * 3 |
1.25 * 3 | |
1.55 * 3 | |
PLDC Film in roll | 1 * 50 |
1.25 * 50 | |
1.55 * 50 | |
Self adhesive PDLC Film in sheet | 1.2 * 3 |
1 * 3 |
VL-technical data of switchable transparent pdlc film
Perform. | Test Item | Data |
Operation | Power on | Clear |
Power off | Opaque | |
Electrical | Operate voltage | AC65V/75V/100V |
Response time | On – off 100ms | |
Off – on 2ms | ||
Power consumption | 5W/m2 | |
Current | 60mA/m2 | |
Frequency | 50 ~ 60HZ | |
Optical | Parallel light | On 78% |
| Off 5% | |
Visible light | On 80% | |
| Off 60% | |
Haze | On 2% | |
| Off 90% | |
Visible angle | 140° | |
UV block | 98% | |
Environment | Operate temperature | -20 to + 60 C |
Storage temperature | 25 C | |
Storage humidity | 30% |
Dimming transparency from 100% to 0% of transparent pdlc film
Switchable transparent PDLC film wiring connection with driver and switch control
Switchable Transparent PDLC Film
