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News

LED rear projection enables smaller control rooms

Barco : 19 October, 2009  (New Product)
Round-the-clock control rooms can now use less space and keep cool with the use of Barco's LED rear-projection video walls
LED rear projection enables smaller control rooms
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Visualisation specialist Barco has announced that its new LED-lit rear-projection video walls are now available for sale. The OL series of video walls presents significant quality improvements over the current state of the art in LED projection.


"Barco's LED video wall has been developed based on a long heritage of LED expertise, since we have been designing and producing LED signage since the nineties," comments Mathieu Massart, Director Product Management of Barco's Displays technology unit. "As an illustration, today, we process more than two million LEDs every week. So, we know LED and its characteristics like no other company. This way, we have been able to considerably improve the existing LED rear-projection state of the art and we have succeeded in significantly optimising image quality, ease of use and cost of ownership."

Barco's OL rear projectors come with Sense6, a unique sensor technology which co-ordinates across multiple rear-projection modules to provide brightness and colour stability over time and across the entire video wall screen. An integrated spectrometer continuously measures brightness and colour characteristics of the full visual spectrum. Sense6's algorithms monitor the outputs of these spectrometers in real time and then dynamically and automatically adjust all the projectors of the video wall to generate an image that is most suited for viewing by the human eye. Unlike factory calibrated systems, the OL continuously measures and adjusts colour and brightness in real time and therefore requires no maintenance or manual adjustments.

Barco's LED-lit video walls have an advanced heat management system based on state-of-the-art liquid cooling to efficiently counteract the effects of high temperatures on the LED light sources. In comparison to heat pipe systems, Barco's liquid system can provide an additional ten degrees of temperature decrease on the LED light source. This effectively doubles the lifetime of the LED light source and reduces noise substantially.

Barco's OL series makes a more compact control room design possible. Thanks to the space-saving cube design (only 450mm/17in deep) and front access option, it is possible to significantly save on real estate costs. The new OL series has also been specifically designed for ultra-fast set-up and configuration, which allows for savings on installation time and expenses. The projection module is delivered as a pre-installed and pre-aligned unit. Colors and brightness auto-calibrate. The micro-engine needs no alignment stage, since the imager itself is motorized.

LED projection technology has allowed for a much more environment-friendly approach, since the illumination unit has less integrated consumable parts and because, contrary to UHP lamps, LEDs contain no mercury. With Barco's OL series of video walls, this green approach is even taken one step further, with a lightweight and space-saving design, recyclable video wall enclosure and low noise operation.
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