How does the Foshan glass source factory control the switching between transparency and fogging of dimmable glass through electric current?
Release time:
Mar 10,2025
Smart glass, also known as electrically controlled smart glass or electrically controlled frosted glass, is a type of high-end functional glass that switches between transparent and frosted states through electrical control. The core principle of this switching is based on its special structure and materials. Below is a detailed explanation of this process:
1. Structure of Smart Glass
Smart glass is made using existing laminated glass manufacturing methods, with a layer of liquid crystal smart film (PDLC) firmly bonded between two pieces of ordinary float glass. This layer of liquid crystal smart film is the key to achieving the switch between transparent and frosted states.
2. Principle of Smart Glass
Power Off State:
When the smart glass is in a power-off state, the polymer liquid crystal material in the middle of the glass is disordered.
Since the refractive index of the liquid crystal is lower than that of the surrounding polymer, the incident light scatters in the polymer, preventing light from penetrating the glass.
At this time, the smart glass appears in a milky white opaque state, effectively protecting privacy.
Power On State:
When the smart glass is powered on, under the influence of the electric field, the polymer liquid crystal material in the middle of the glass becomes ordered.
The refractive index of the liquid crystal becomes equal to that of the polymer, allowing incident light to pass completely through the glass.
At this time, the smart glass appears in a transparent colorless state, allowing a clear view of the scene behind.
3. Current Control to Achieve Switching Between Transparent and Frosted States
Smart glass controls the arrangement state of liquid crystal molecules by changing the presence or absence of current, thus achieving the switch between transparent and frosted states. This process can be controlled by a simple switch or remotely controlled through smart home systems, smart building systems, and other intelligent control systems.
4. Application Scenarios and Advantages
Due to its unique electrically controlled smart technology, smart glass has significant advantages in privacy protection, space utilization, and light adjustment. It is widely used in high-end offices, residences, medical institutions, commercial displays, and other fields, bringing an unprecedented experience to people's lives and work.
In summary, smart glass achieves the free switching between transparent and frosted states through its special structure and materials, as well as the control of the arrangement state of liquid crystal molecules by current. This technology not only enhances the aesthetics and practicality of spaces but also embodies the perfect combination of modern technology and traditional materials.
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China Guangdong Haibo Special Glass Technology Co., Ltd. Unified Social Credit Code: 91440101MA5AT33G12 Contact Numbers: General Manager Cao, 13178822749; General Manager Wei, 13533794186.