What Is Smart Film Blinds?
Blackout Smart Film is an advanced switchable DLC film designed to instantly transform any glass surface from transparent to fully opaque with a simple power control. Unlike standard dimming PDLC smart film that becomes frosted when powered off, blackout smart film provides near-zero light transmission, creating a true blackout effect that blocks visibility and significantly reduces incoming light. This technology uses a specialized liquid-crystal structure that changes alignment when electricity is applied, allowing users to switch between a clear view and complete darkness within milliseconds.


Where Blackout Smart Film Is Used
Blackout smart film is widely used in both residential and commercial environments where flexible privacy and light control are essential.
Common applications include:
- Home bedrooms, living rooms, and media rooms – ideal for creating a dark sleeping environment or turning a space into a home theater.
- Bathroom windows and shower enclosures – provides instant privacy without traditional blinds or curtains.
- Office partitions and conference rooms – allows teams to switch between open collaboration and private meeting mode.
- Hospitality spaces such as hotels and resorts – enhances guest privacy and elevates the modern interior design.
- Retail stores and showrooms – used for display windows that require changing visibility on demand.
- Training rooms or presentation rooms – blocks external light to improve screen visibility and create a controlled environment.When power on, it's clear and dark grey color.And power off, it's getting opaque and total black.
Its blackout performance makes it particularly suitable for environments that require complete visual privacy or reduced glare.
Advantages of Blackout Smart Film
Blackout smart film offers several functional and aesthetic benefits:
- Complete Privacy on Demand
The DLC film achieves a true blackout effect in its off state, ensuring zero visibility from both sides. It eliminates the need for traditional curtains or blinds.
- Superior Light Control
By blocking almost all incoming visible light, it is perfect for spaces that need darkness, such as media rooms, bedrooms, and presentation rooms.
- Clean, Modern Aesthetic
As a tinted privacy window film applied to the glass surface, it provides a sleek and minimalist appearance without bulky fabric coverings.
- Instant Switching
The transition between clear and blackout states is fast and smooth, giving users real-time control over privacy and lighting.
- Energy Efficiency
By reducing glare and controlling sunlight, the electric smart blackout glass film helps minimize heat buildup, potentially lowering air-conditioning costs.
- Easy Integration & Installation
The switchable blackout glass film can be installed on existing glass surfaces, making it a practical upgrade for both new projects and renovations.
What is the difference between DLC Film and Black PDLC Smart Film?
✱DLC Smart Film puts emphasis on deep blackout, shading, and strong light absorption (good when you want a"real blackout").
✱Black PDLC / Smart Black / Blackout Film emphasizes flexible privacy + convenience, suitable for many standard applications like offices, partitions, windows- with some blackout capability if tinted/black.
✱The blackout smart film(DLC film)will be more expensive than the tinted privacy window film.If you want versatile switchable privacy-turning windows/partitions from transparent to dark (but don't necessarily need heavy solar shading)- an electric blackout glass film(black PDLC ) may be sufficient and possibly more cost-efficient.The DLC film offers dark light when power off and it's the total privacy window film.
FAQ
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Datasheet For DLC Film |
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Optical Characteristics |
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Woking voltage |
AC48-60V |
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Visible Light Transmittance |
ON |
30% |
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OFF |
2% |
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IR Blocking |
ON |
>17% |
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OFF |
>80% |
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UV Blocking |
ON |
99% |
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OFF |
99% |
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Haze |
ON |
1.4±0.5% |
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OFF |
99% |
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View Angle |
ON |
180∠ |
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Electrical Characteristics |
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Working Voltage |
ON |
AC48V-AC60V |
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Saturation voltage |
ON |
AC60V |
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Frequency rate |
ON |
50-60Hz |
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Power Consumption |
ON |
3.7W/㎡ |
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Dimension |
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Color |
Black |
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Thickness |
0.4mm |
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Max.Width |
1240mm |
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Size in roll |
1.24m×50m |
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Customized size |
available |
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Ambient Condition |
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Working Temperature |
-20°C~90°C |
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Max effective workingTemperature |
70°C |
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Anti-scratch coating |
thickness:1-2μm,standard:2H |
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Life Span |
20years |
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Resistance to yellowing |
UV Weathering Tester, |
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Batch to batch color consistency |
ΔE color difference measurement method, |
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