What are LED Walls

Hitherto reserved for concerts or shows, the walls of LED walls or videos tend to democratize.

They become available for applications such as shop windows, exhibitions or receptions or decorating private places. They retain the look of their graphic quality and brightness and consume little. We make the point.

Wall LEDs: flexible information vector

The LED video walls to broadcast images composed of light-emitting diodes (LED), constituting “virtual pixels”:

  • Images can be in color or grayscale.
  • They offer high brightness (8000 candela / m² for example) to reduced consumption.
  • These walls are made of slabs of LEDs assembled together to form a screen that can take various forms and dimensions (screens, stage sets, headbands …). They can even be manufactured tailored to fit the configuration of the place.
  • Unlike traditional wall images, it forms a continuous visual together. It is characterized by high flexibility of configurations to suit the project either for the size and shape of the screen management input types, the attachment system, the output parameters .. .

Thus, these walls may be:

  • external (outdoor) and weather resistant and at low or high temperatures (with high protection);
  • reserved for internal applications;
  • convex or concave, of various sizes and dimensions;
  • flexible;
  • semitransparent windows for example;
  • for floors or ceilings, etc.

GPU LED wall

Led slabs assemblies are driven not a video processor, whose role is to manage multiple types of input and convert them to the format required:

  • This processor or video or GPU (graphics processing unit) is an integrated circuit on a graphics card or motherboard or CPU (central processing unit).
  • It provides the calculation of the display functions. A graphics processor is usually competent for many rendered graphics, management of video memory, the video signal processing, decompression etc.
  • Some allow immediate updates of content.

Image resolution of an LED wall

The Pitch is the distance (mm) between each light point on the screen, each representing a pixel of the image displayed. The pitch represents the resolution of the screen picture:

  • A reduced pitch provides better resolution but increases the price of the screen.
  • The minimum distance at which the screen will be seen, the resolution of images displayed, the screen size are interdependent criteria of choice.
  • It is also possible to adjust the resolution to the selected screen. The viewing distance increases with the increase in screen size.

Wall LEDs: main selection criteria

To choose your LED wall, consider top-engineering-schools:

  • Use: dissemination of images, videos, interactive applications and even multiple media simultaneously (applications for commercials, events, municipal information, create moods for shows …).
  • The format.
  • The setback distance between the wall and the viewer more the observer is close to the video wall over the resolution should be fine and the reduced distance between LEDs (pitch).
  • The viewing angle.
  • The brightness (in candela or nits per m²).
  • The type of use: place and use condition the degree of protection required: interior, exterior, various exhibitions (for example, an IP 65 provides protection against dust and water jets, an IP 67 provides protection against dust and the effects of immersion).
  • The type of attachment (granted, suspended fixéà a wall …).
  • The type of LEDs.
  • The budget for the project.

The budget for acquiring this type of equipment is important (cost of the screen, the broadcast system, installation and commissioning, content creation “measure”, operating costs) and its duration life is about 10 years: it is therefore a rational purchase.

Prices: 120 000 € for a wall of 3 x 2 m (12 slabs, 3 grip bars, Governance broadcast, excluding assembly) and 295 000 € for a wall of 5 x 3 m (30 slabs, 5 bars of hang governed by diffusion).

Good to know: solutions for leasing or hire purchase are available.

For further :

  • 12 tips to illuminate its interior.
  • Another original idea: the wall of water.
  • Make a starry false ceiling with LED lamps.

Gallery

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