What makes a professional LED fake window stand out?
In a world where we spend more and more time indoors, simulating natural light has become a real need—not just an aesthetic trend.
“Fake windows with light” are a functional solution for spaces without access to daylight, but not all of them offer a truly satisfying visual experience.
So how do we tell decoration from a light source that genuinely supports human well-being?
What is a LED fake window?
A LED fake window is a backlit structure designed to mimic the look and effect of a real window emitting natural light. Installed on ceilings or walls, it uses calibrated LED panels to deliver soft, even, and pleasant lighting. More than decorative, it perceptually opens up closed rooms and creates a sense of connection with the outside world.
The brain doesn’t recognize technology — it recognizes frequency.
As our technical team explains:
“With years of experience in LED lighting, we’ve learned that in a space without natural light, the key is for the brain to perceive the emitted light as a faithful reproduction of the solar spectrum.”
In other words, what matters neurologically is not whether the light is natural or artificial, but how the spectrum is processed by the brain. For realism, the light spectrum must resemble sunlight.
Key features of a high-quality fake window

Frame: Lacquered white / Anodised black
Reflective film: SAMSUNG
Film cinematography: Sky Blue
Illuminator: Luxpanel SOLAR spectrum
Optical filter: Solar
Gloss protector: Easy to clean
- Accurate color temperature: 4700K daylight tone
- CRI > 98 – R9 > 92: Superior color fidelity for true-to-life perception
- Low glare (UGR < 16): Visual comfort with minimal eye fatigue
- Biomimetic spectrum: Continuous, without cold peaks or dark gaps
- Custom installation: Ceiling, wall, or built-in furniture, depending on the space
More than just aesthetic appeal
The Actilum Solar Window is used in:
- Windowless offices
- Clinics and hospitals
- Hotels and interior rooms
- Basements, waiting areas, and spas
- Commercial spaces and retail stores
In every case, the goal goes beyond looking good—it’s about making the environment healthier, more productive, and emotionally positive.
Comparison: decorative vs professional solution
Feature | Generic decorative window | Actilum Solar Window |
Solar-calibrated light spectrum | ❌ No | ✅ Yes (4.700 K, CRI +97) |
Low visual fatigue (UGR ≤16) | ❌ No | ✅ Yes |
True color rendering (R9+90) | ❌ No | ✅ Yes |
Custom-made fabrication | ❌ Limited | ✅ Fully customized |
Designed for visual wellness | ❌ No | ✅ Yes |
FAQs: what people usually ask
Yes, when the light spectrum includes a high level of AZURE 480 nm, it can improve mood and concentration.
No. It’s visually comfortable with a UGR < 16.
We offer custom versions for ceiling installation.
Spectrum, comfort, and health impact.
Very little. Occasional surface cleaning only.
Absolutely. It’s made to measure.
Yes, when paired with a dynamic lighting system.
Yes. It enhances product perception and creates warm environments.
Not necessarily—it depends on the mounting method.
The difference between a simple LED fake window and a true artificial sunlight solution lies in light quality. If you’re seeking well-being, visual comfort, and biomimetic lighting technology:
🔗 Discover the Actilum Solar Window