The 2010 Shanghai World Expo is a big stage for design innovation and technology application. Each venue displays the technological strength and cultural characteristics of enterprises, cities and even countries through design innovation and technological highlights. When night falls, the night scenes of the various venues are gradually lighted up, and the unique venues are competing to show their own “light†charm. There are many creative ideas, and the application of various new technologies, which are properly interpreted. The essence of the lighting technology of "achieving the effect of art by means of technology".
1. Theme interpretation and LED lighting expression of the venue
The architectural design of the Expo venues represents the technical strength and cultural characteristics of enterprises, cities and countries. The night lighting of the venues, especially the application of semiconductor lighting technology, strengthens the theme and deducts the connotation.
The Dutch Pavilion's "Happy Street" concept directly illuminates the LED point light source on the surface of the building, and expresses the joyful atmosphere of the Dutch Pavilion at night by brightly flashing visual effects. The use of the folk paper-cut art of the Polish pavilion's architectural skin, combined with the LED light source on the back of the “paper-cutâ€, highlights the art of light and shadow through rich color changes. Such a theme of the venue combined with semiconductor lighting technology is also the LED projection and LED illuminating effect of the Expo culture "UFO" shell, as well as the lawn lights and trail lights of the cultural center outdoor flying saucer, and the LED lighting of the World Meteorological Museum. The combination with the spray, the fairy-tale lighting of the Danish pavilion, and the expression of the concept of "brain cells" by LED lights in the Belgian pavilion.
2. Architectural application of semiconductor lighting technology
Semiconductor lighting is another revolution in illumination light sources after incandescent lamps and fluorescent lamps. In recent years, the rapid rise of semiconductor lighting technology has promoted the application of LEDs in architecture and brought more space for innovative design. Architectural applications based on semiconductor lighting technology are the most respected by designers and the most artistically expressive.
For example, the British Pavilion, known as the "Seed Temple", consists of 60,686 7.5-meter-long acrylic rods, which are mounted with a tiny LED light source in each tentacles. All the luminous tentacles are slightly light in the wind. Shake to create a fascinating feast of light and shadow. The vertical components of the façade of the Expo Center, hidden LED light source, and the dynamic display of media video playback, the huge LED display in the entrance hall uses P18 structure perspective technology, also tried in a functional lighting in a 1800 square LED linear lamps are used in the Rice Space Conference Hall to replace traditional fluorescent lamps. A large number of LED lighting technologies have been adopted in the Expo Axis. Among them, the LED intelligent floodlights used in the tensioned membrane structure have integrated LED intelligent starlights on the surface of the Sun Valley, and the large-scale LED distributed control system - LED BusY bus technology , achieved a richer visual effect. In addition, the theme pavilion, the Expo Cultural Center, the Taiwan Pavilion, the Hong Kong Pavilion, the Macau Pavilion and many foreign pavilions also have different levels of integration of semiconductor lighting architectural design.
3. Integration of semiconductor lighting and new materials
Recently, many architects have been keen on new materials with unique light transmission characteristics. As a creative element in architectural design, the entire design work has become more challenging. The venues of the Expo have tried a variety of new materials to create a rich visual effect.
For example, the exterior decoration materials of the Irish Pavilion use sunlight panels. This polymer organic material has great advantages in light penetration and bearing. One end of the solar panel is equipped with a small-sized linear LED lamp, which controls the color of the LED. The combination and change have enabled the diversity of the “city space†of the Irish Pavilion. The Shanghai Enterprise Pavilion uses recycled plastic discs to make translucent plastic tubes from new polycarbonate plastic pellets, and installs LED lamps in the translucent plastic tubes to form a network layout. The special light and shadow visual effects constitute the faint façade of the night building. In addition, there is the Sunshine Board used in Hall B3 of the Central Best Practices Area, the combination of white PVC film and spray used in the World Meteorological Museum, the Norwegian Pavilion using the membrane material, the transparent fabric curtain wall used by the Space Home Pavilion, and the oil. Pavilion light blue PC pipe, etc.
4. Digital media interface and interactive technology
The rapid development of semiconductor lighting and related technologies has made LED-based digital media interfaces and interactive technologies easier to implement and more advantageous. The richness of the color of the LED light source and the digital control of the display are unmatched by traditional light sources. The digital media interface is a carrier of media art communication. It displays and expresses visual content such as graphics and video screens through digital programming of software programs and integration with LED display modules, which is more artistic and technical. Interactive technology is based on triggering and sensing devices and control systems, with a greater emphasis on participation and interactivity. For example, the intelligent LED starlight dot matrix based on the Bus Y bus control technology of the Expo Axis Sun Valley can realize “gesture interaction†and real-time video signal playback, 498 sets of pressure-sensing interactive LED light bricks in the celebration square, and the Expo Cultural Center West LED digital media interface with optical media layer in the south entrance hall, digital information lighting façade of the oil museum, 6400 hexagonal "cellular outerwear" with LEDs used in the information and communication hall, and the National Grid Museum The box of 112 LED modules constitutes a hexahedron full-screen space, the German Pavilion's 400,000 LEDs form a magnetic ball-sensing "metal ball" interactive device, and the Taiwan Pavilion's 1 million LEDs "sky lanterns" spherical display Screen, Swiss solar energy intelligent LED curtain and "harmony tower" weather tracking LED lighting.
The combination of semiconductor lighting technology and creative design in the venues of this World Expo venue is not limited to the above-mentioned aspects, but also a variety of light art performances based on semiconductor lighting technology, such as the application of Huangpu in the opening ceremony of this World Expo. The LED large screen on the riverside and the LED high pole lights used in the pedestrian gathering squares in the stadium buildings.
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