Transparent LED Displays
Transparent LED displays put moving content on glass that still has to work as glass. The screen is built as a set of slim LED light bars with open space between them, so daylight passes through and the view out is kept. They are used on shop windows, glass facades, atriums, car showrooms and exhibition builds where a solid cabinet would close off the space behind it.
Typical specification ranges.
Transparent configurations run at 3.91 mm horizontal and 7.82 mm vertical pitch, on cabinets of 1,000 x 500 mm and 500 x 500 mm.
| Parameter | Range |
|---|---|
| Pixel pitch | 3.91 mm horizontal, 7.82 mm vertical |
| Pixel density | 32,768 dots/m² |
| Transparency | 62% |
| Transmission angle | 130° |
| Light bar profile | 3 mm |
| Cabinet sizes | 1,000 x 500 mm and 500 x 500 mm |
| Power draw | 180 W/m² average, 400 W/m² peak |
| Refresh rate | Up to 3,840 Hz |
| Contrast ratio | Up to 1,500:1 |
| Viewing distance | 3 – 50 m (from about 5 m for the transparency effect) |
| Mounting | Suspended or floor-standing |
| Brightness | Set per site against the light behind the glass |
Figures describe the module and cabinet platform. Final values are confirmed during engineering review.
What transparent actually means here
A transparent LED display is built as a set of slim vertical light bars with open space between them. The content is emitted by the bars; daylight and the view through the glass pass through the gaps. Nothing is printed on the glass and nothing is laminated into it, so the window keeps working as a window.
Transparency is measured, and the number has consequences. At 62% transparency, roughly two thirds of the surface is open. Raising that figure means narrowing the bars or widening the gaps, which lowers pixel density and lowers output. A transparent screen is therefore a see-through-first product, and the specification conversation is about how much output you are willing to give up for the view.
The light bars in the platform we supply present a 3 mm profile with a 130-degree transmission angle. That profile is what makes the screen read as a surface from the front while staying close to invisible from behind.
Where a transparent display earns its place
Shop windows and storefronts, where the display has to sell without turning the shop into a dark box during the day.
Glass facades and building lobbies, where daylight reaching the interior is part of the design and a solid cabinet would be refused by the architect.
Car showrooms and dealer glazing, where vehicles behind the glass have to stay visible.
Atriums and mall balustrades, where the screen is seen from both sides and the space behind it stays open.
Exhibition stands and temporary builds, where the structure has to stay light and the sightlines through the stand matter.
What to check before specifying
Structure comes first. Decide whether the cabinets hang from the structure above or stand as a frame behind the glass, then confirm what the existing structure can carry and where power and data can run without being visible.
Light is the second question. Note the orientation, the shading, and how bright the space behind the glass gets. Output is set against that description, not pulled from a datasheet, and the acceptance test should repeat it.
Viewing distance sets the pitch. The published range runs from 3 to 50 metres, and the transparency effect settles from about five metres. Below that, viewers start to see the bar structure.
Content has to be made for the medium. Dark backgrounds, large type and high-contrast layouts survive on a transparent surface. Small text, fine product imagery and pale backgrounds do not, because there is no black surface behind the pixels to carry them.
Service access is settled during engineering review, along with the spare module holding. A screen mounted in front of a window is awkward to reach, and that is cheaper to solve on paper than after handover.
Local rules on window advertising, brightness and operating hours are worth checking before the order, particularly on listed buildings and in managed retail schemes.
Supply and commissioning
Each installation is configured for its site: cabinet count and layout, transparency and output target, suspension method, control hardware and service approach.
Content is usually reworked for the transparent surface as part of commissioning, and that work belongs in the commissioning plan, not on the day of handover.
We hold spare modules from the same production batch where a project warrants it, so a later replacement does not introduce a visible difference in colour or brightness.
Transparent LED Displays: common questions
How transparent is a transparent LED display?
The platform we supply is rated at 62% transparency with a 130-degree transmission angle, and the light bars themselves present a 3 mm profile. A transparency figure quoted on its own is not comparable between suppliers, because transparency rises as pixel density and output fall. Ask for the figure together with the pitch and the light-bar profile.
Can a transparent display be read in daylight behind glass?
It depends on the orientation of the glass, the shading and the light inside the space. Output is set for the site, not quoted as a single number, and the acceptance test should state the conditions it was measured under. A west-facing window in direct sun and a shaded atrium window are two different engineering problems.
How far should viewers stand from a transparent screen?
The published range for the platform is 3 to 50 metres. From roughly five metres the louvre structure stops reading as separate bars and the image holds together. Inside five metres the gaps between the light bars become part of what the viewer sees, which is a design decision more than a defect.
Can it be installed on an existing shop window?
Often yes. The cabinets can be suspended from the structure above or built as a floor-standing frame set behind the glass. The limiting factors are the load the existing structure can take, the route for power and data, and how a module is reached for service later. These are checked on site before a configuration is confirmed.
Does a transparent display replace a conventional LED wall?
No. It trades brightness and pixel density for see-through, which is the point of the product. Where the space behind the screen does not matter, a standard indoor wall gives more output and more resolution for the money. Transparent displays earn their place where daylight and sightlines have to be kept.
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