Two different LED types were installed in the process: for the facade lighting and for the architectural upgrading of the entrance area, as well as for the backlighting of a bronze-coloured glass facade, 15,000 cold-white Golden Dragon Plus LEDs were used. They supply a bright and even illumination, without scattered light or dazzle, and with low power consumption. An additional factor is the good colour rendering index of the LED light sources. This provides a natural colour impression and thus a higher level of safety, due to a more clearly contoured environment.

The handrail, 700 metres long in total, is illuminated by 50,000 warm-white TopLEDs. The LI-EX profiles are outstandingly suitable for this application. As the stairs in the entrance area are different, the length of the luminaires also needs to be adapted individually: for this type of luminaire, this is not a problem.

LI-EX is a part of “LED-Light for you”, a network for lighting technology, initiated by Osram, which works jointly with customers on implementing new solutions based on the efficient and multi-faceted light diodes; since the launch of the Stachus project, the network has been providing specialist advice to the architects, Allmann Sattler Wappner.

Read more about this project at Compound Semiconductor

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Twister is a complete system which is ideal for illuminated face, reverse/halo or cove lighting. The low-profile, compact size and flexible design fits into small and medium channel letters and narrow coves.
Permlight’s patented thermal management technology uses the metal letter sign or a metal strip in a cove to dissipate heat away from the LED, resulting in useable life of 10 years. Twister is conformal coated to resist moisture and harsh exterior conditions. Twister’s wide beam viewing angle allows mounting on returns of channel letters or in shallow coves providing even illumination.
It’s safe, energy efficient and weather resistant conformal coating.
Twister is available in multiple colors.

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At its completion in 2003, Israel’s Moshe Aviv Tower was the tallest building in the Middle East, and today stands as the tallest in Israel. Rising 801 feet (244 meters) over the Tel Aviv skyline, it serves as the gateway between the cities of Tel Aviv and Ramat Gan and serves as a symbol of national importance.

Lighting designer Michal Kantor understood the building’s significance and wanted to make it even more distinct within the city’s nightscape. She wanted to highlight the building with a dynamic light show that would interact with the cosmopolitan city’s events, holidays and festivals. Kantor conceptualized a light design focused on the building’s crown, and used Color Kinetic’s LED lighting solutions to make her dream a reality.
Read more at Color Kinetics

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In 2006, Minsk received a new architectural symbol – a brand new building to house the National Library of Belarus. The twenty-three storey library is designed in the form of a rhombicuboctahedron (diamond) and symbolizes the enormous value of knowledge that mankind has stored in books.
“The authors suggested hiding the light sources behind the glass to create an illusion of a giant color display,” continues Kramarenko. “A total of 4646 color-changing LED fixtures were installed all around the building, effectively creating a monitor with 25×25 meter sides and 62 meters in diameter.

“As a result, spectators are able to observe a fantastic show with incredible dynamic plots from hundreds of meters away. It is an extraordinary creative venue for lighting designers.”
read more at LED Magazine

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The Torre Agbar, or Agbar Tower, has been designed by French architect Jean Nouvel. It opened in June 2005 and it was inaugurated officially by the Kings of Spain on 16 September 2005.

The Torre Agbar is a colored lighting illuminate skyline that pretend to become one of the 21st century landmark of Barcelona.
The building is characterized by its nocturnal illumination: it has more than 4,000 luminous devices that use technology LED. A total of 4,500 L3 RGB lights were installed to illuminate the 32 floors of offices in the Agbar tower. The lighting system, which contains 4,500 L3 RGB lights, is controlled from a single computer.

Jean Nouvel wrote on this project: “This is not a tower, a skyscraper, in the American sense. It is a more an emergence, rising singularly in the center of a generally calm city. Unlike slender spires and bell towers that typically pierce the horizons of horizontal cities, this tower is a fluid mass that bursts through the ground like a geyser under permanent, calculated pressure.”
via: glass on web & blog wired
Photo: LedsMagazine.com
Don’t miss Agbar Tower photo set at Flickr

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Transparent mediafacade at the T-Mobile Headquater Bonn, the world first transparent mediafacade in a size of 300 square meters, being attached to a building, a fine example of a harmonius connection of architecture and media.

The aluminiumslets with the depth of 3 cm and the tickness of only 1 cm were specially designed to fit waterproof LED-cards. The large pixel distance creates the transparency of the construction.

The led modules are integrated in metal extrusions. Due to it´s brightness and it´s fast responding leds this fassade has the ability to display both, static and animated content also during daytime. Content can be updated online by ag4. Thus it is possible to meet the fast changing communication requirements for a company like T-Mobile.
Some technical Details:
Resolution: about 244 000 Pixel
Best viewing distance: 40 meters
via: mediaarchitecture

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“We made comparisons between fluorescent and LEDs, but issues of maintenance, heat generation, and consistency of color temperature convinced us to go with the latter,” he said. The architects were also charmed with the ability of the LEDs, imbedded on the modernist glass and metal façade, to change light patterns each night, simulating for example Chanel’s signature tweed. While the upfront costs of LEDs were higher, said Nolan, in the long run the architects felt LEDs would be more cost effective.
via: archpaper

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2. The Dubai Mall

The Building of Galleria West Shopping Centre in Seoul, Korea, is designed by Dutch architects UN Studio, has become the latest, intriguing style icon in the city and a world first for electronic facade technology. Ben van Berkel of UN Studio in association with Arup Lighting in Amsterdam have transformed the Galleria into a perpetually changing, light-reactive and computer-programmable radiant surface.

4330 discs, each 850mm in diameter, make up the entire facade of the mall. They can be programmed to generate up to 16M colours, showing astounding displays in every imaginable shade. At other times the building can even become a giant billboard, its pixels feeding text or images around the entire external structure.

Each disk houses its own LED luminaire. Together with Xilver Lighting, Gronsveld, the Netherlands, a system was created that is capable of producing 16 million different colors for each disk. At night, the individually lit disks respond to a computer program. “Each disk acts as a big pixel on a giant screen,” van der Heide points out. Mounted on brackets, all fixtures are lamped with four LEDs: two green, one blue and one red. Each emits a single watt. “The double green LEDs product a crisp and cool natural hue,” he says. “Typically, color-changing LEDs have a pinkish-magenta cast. The fixtures at the Galleria have an asymmetric throw that places the hot spots off-center. The disks appear to be glowing spheres,” he observes.

Cost of fabricating and constructing the steel structure was approximately $200 per square foot. This amount also includes the exterior steel supporting beams that span from one column to another to support the aluminum frame, the glass disks, LEDs and wiring. Each luminaire cost $55. The custom design and installation of the control system was $40,000.

via ddimagazine

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