LED lighting conserving dark skies
Several prominent buildings in Korea have upgraded to LED lighting. The optimal green upgrade would have been to minimize the exterior lighting or eliminate it altogether (see Dark Skies). That said, LEDs do have the green advantages of energy efficiency, durability and the ability to control light intelligently. The GS Tower (seen here) has used an array of RGB LED elements from Color Kinetics to present various images for different seasons, climates and dates, and to provide information on weather, time and different events. The Led fixtures are positioned on the frames of windows on three sides of the building, on the upper floors.
In the 63 Square building, LEDs have been used behind opaque glass panels in the canopy above the store fronts. The canopy contains 1300 high-power RGB LED elements, linked by aluminum channel bars running behind the glass.
LIG Insurance has applied LED lighting to the whole of its headquarters building in the Gangnam area of Seoul. Linear LED bars are located above each window space, and these project light onto screens that are rolled down over the windows at night. A total of 375 1200-mm light bars and 15 600-mm fixtures were used. (See the more photos via the link below).
originally: treehugger
Via: LED Magazine
Transparente Headquarters Media LED Facade
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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