What are Led walls used for?
Meaning of Led Wall: Ledwalls or led walls are big screens made up of light emitting diodes to display video and any other visual content as if they were computer monitors. As the word says in English, the feeling it gives when looking at is that of a massive luminous wall, without any junction between the modules and cabinets that compose it, thus allowing you to cover with videos, digitize any space in continuity. In the narrow meaning of the term, the word “led wall” is normally used in scenography and (television, virtual, production) studios or wherever the screen is shot by professional cameras. But now the name has been extended to all applications, like for led displays or led screens not only for indoors but also for outdoors, for example for digital billboards.
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How to choose the best ledwall?
There are several models of LED video walls available in the market, that have different technical characteristics depending on IP protection degree (from 30 to 68), brightness (from 600 to 15,000 NIT), consumption (from 300 to 1000 W / m2) , type of LED (SMD or DIP) and its size (from 1010 to 3535), refresh rate (from 1920 to over 3840 hZ), access for maintenance (front and / or rear) as well as the pixel pitch (from 0.7 to 50 mm) and overall size (standard or customizable). In order to select the right LED video wall model, you must rely on a specialized and experienced supplier, such as MacroPix, able to support the customer in the most appropriate choice from a technical and commercial point of view, as the price varies a lot depending on the technical features and these depend a lot on the location where you want to install and on the communication needs.
In this regard, the fundamental question to answer is:
should the led wall be installed indoor, outdoor or behind a glass window?
If in the last 2 cases, what is the exposure (north, south, west, east)?
Once this has been determined, itis necessary to understand if there are limitations with available space or weight or power supply and if the led wall is to be installed on a wall, roof-top, ceiling, floor, on a self-supporting structure or by hanging.
The other characteristics that can determine the best LED video wall models are: what MINIMUM and MAXIMUM distance is the product viewed from? What types of visual contents will be displayed (video, photo, text)? Who is the target or typical user of the message?
Main characteristics of Led Walls
The fundamental technical feature to know about led video walls is the “pixel pitch” i. e. the distance between adjacent pixels, each of them consisting of 3 LEDs, red, green and blue (RGB). The closer the pixels are, i.e. the narrower the pixel pitch, the more definition you will get with the product. With the technological evolution of recent years, in particular the miniaturization of electronic components, pixel pitches can now be less than one millimeter, therefore close to other video solutions such as LCD or OLED (which, however, can never reach the same size and they do not have the same duration and flexibility of use as LED displays).
Difference between SMD or DIP LEDs
DIP technology uses cylindrical LEDs welded through the printed circuit boards ending in a hemispherical dome, a lens for maximizing light intensity. Each single LED can generate only one color and that is why three separate RGB LEDs (red, green and blue) are used in a triangle shape. This technology is still used for large outdoor installations. In SMD technology, three small diodes are still used (the usual red, green and blue RGB) but all of the three are placed inside a single square capsule and welded on top of the printed circuit board. With this “all in one” solution, a shorter distance between the individual pixels is guaranteed, with the greatest advantage of obtaining high resolutions, which means more defined pictures at a shorter viewing distance.
Visual resolution and definition of led walls
The definition of led wallsis given by the distance between the diodes or pixels, or their pitch or spacing. The closer the pixels are, the higher the definition, the better you will be able to see the screen closely and the less it will be necessary to increase the screen size to gain quality. MacroPix designs, supplies and certifies models ranging from 0.7 mm pixel pitch for indoor to 50 mm or larger pixel pitch for outdoor. The most popular models of led screens are 1.9 mm, 2.6 mm and 3.9 mm for indoor and 4.8 mm, 6.67 mm and 10 mm for outdoor, but there are many other solutions available. The trend in the market is to go for narrower and narrower pixel pitches, so 1.2 and 1.5 mm for indoor and 2.6, 3.1 and 3.9 mm mm for outdoor have been already installed successfully and more will be coming soon
Pixel pitch of led walls
The distance expressed in mm between the individual LEDs is called pitch. This parameter is fundamental for the choice of a specific LED wall and its location, as it determines the graphic resolution and the distance from which the LED wall is clearly visible. To simplify, if you intend to install a large LED screen, of tens of square meters, on a roof of a building to convey standard advertising messages, a pitch of 10 mm or more can be just fine. If, on the other hand, you intend to install a LED screen of few square meters in an indoor space to display live or pre-recorded video, with up to 4K resolutions and beyond, then a very narrow pitch, between 1.2 and 1.9 mm, is recommended.
Technology: how do led walls work?
When we talk about LED walls, we are therefore talking about cutting-edge technology that is increasingly requested by architects, designers, consultants, creatives, professionals who see the dream come true of digitizing any surface, even curved or with special shapes such as squares, triangles, parallelepipeds, spheres, cubes. MacroPix is a team of experts who have been working with this technology for years and know all its secrets. Unlike many players in this business, we have proprietary technology and software, we select and strictly control the quality of suppliers, we do not promise but we GUARANTEE the safe use of the product for as long as you need. Thanks to this differentiation, MacroPix is today the market leader in Italy and a well recognized brand Internationally.
With the proprietary “Omnibus” software, power consumption can be monitored based on each video content to be included in the playlist. And with the other proprietary software “Curator” you can manage the brightness of the ledwall automatically depending on the time, season, sun exposure (brightness above 5000 NIT and up to 12000 NIT allows viewing even in full exposure, while after sunset the brightness is brought down to less than 10%). It is also essential to know that MacroPix, among very few other companies in Europe, repairs LED modules down to the 1.2 mm pitch in its own laboratory.
The management software includes special features for the management of the advertising schedule on site via USB key or cable connection.
The programming of the advertising schedule can be customized and managed remotely with special software and cable or wireless connection.
Ledwall can also be monitored and set remotely by intervening on activities such as switching on and off, brightness, diagnostics.
Installation of led walls
MacroPix led walls have been permanently installed for outdoor advertising, in retail and shopping malls, in any space open to the public (discos, restaurants, cinemas, museums etc) or for transit and transportation (airports, stations etc), in television studios, in corporate receptions, lounges or conference and control rooms, in stadiums and sports halls, as variable message signs for public information but modular led walls are also used for temporary installations during live events such as concerts, trade shows etc.
Led screens for Advertising
Indoor and Outdoor solutions to capture the attention of potential customers.
Billboards for Advertising
They can be placed on the road to be visible and functional, in any exposure and climatic condition.
LED screens for shows, cinema, events.
The best way to engage visitors to a new experience.
How much are LED walls?
Speaking about prices, the availability of MacroPix led display models is so wide that it can satisfy any budget requirement and compared to a few years ago the minimum investment has more than halved and also the operating costs have decreased as the led walls today consume less and require little maintenance. MacroPix has also patented some products that allow to obtain 50% more brightness for the same power consumption or to get 50% less consumption for the same brightness levels.
With the proprietary software “Omnibus” you can monitor power consumption based on the video content you want to insert in the playlist. And with the other proprietary software “Curator” you can manage the brightness of the led screen automatically according to the time, season, exposure to sunlight (brightness higher than 5000 NIT and up to 12000 NIT allow visibility even at maximum exposure, while after sunset the brightness is reduced to less than 10%). It is extremely important to know as well that MacroPix in its laboratory, among very few companies in Europe, repairs LED modules down to 1.2 mm.