Light+Building (L+B) is an international fair that took place in Frankfurt (April 23 – 26). Seems to be interesting also in respect to mediafacades. I took a closer look at the catalogue: The following companies have shown interesting products or proejcts that could be usefull for mediafacades g-lec | you will see | grid type LED curtain, se-ag.ch Leurocom – Electronic Displays, Tryka L.E.D. Ltd – Home, Lumileds LED Lighting – Luxeon LEDs, ARKANZ – Home, ECKELT GLAS GmbH.
In parallel to L+B there is a light art festival called Luminale with interesting projects. Here are some Pictures from Luminale. L+B is biannual event. Next fair is April 2008.