The Werkraum Bregenzerwald association of crafts and trade has found a new home in the Werkraum House in Andelsbuch. The visionary building designed by renowned Swiss architect Peter Zumthor features a large wooden roof and a façade made of glass that makes the landscape seem to pass through. Hence, the Werkraum House serves as a kind of showcase for promoting the work of Bregenzerwald craftspeople. Eighty local master workshops joined forces to form the Werkraum association. The Werkraum House serves as a hub and meeting point for building developers and architects and also accommodates exhibitions, events, a shop and a café. The unique architecture of the multifunctional building placed special requirements on the lighting system.

During the design stage, highest priority was therefore given to a flexible lighting solution to enhance the building's architecture and ensure high lighting quality. In addition, the lighting scenario creates a pleasant atmosphere for visitors and staff. The Austrian lighting expert Zumtobel was called in because both the client and the architect needed a top-class partner with international experience and premium advisory skills. Zumtobel developed a custom-made lighting concept involving a number of special solutions for the various functional areas in the Werkraum House. For the part of the building that is open to the public, where various Werkraum members exhibit their work, Zumtobel used 100% cutting-edge LED technology.

The LED option cannot fail to impress thanks to its easy integrability into a lighting management system, so that the lighting can be flexibly controlled whenever events or exhibitions are held. “Lighting is especially important when it comes to presenting the achievements of our craftspeople in the right light in a targeted manner. On the other hand, it is precisely the light, in combination with acoustics, that sets the stage for a room's atmospheric qualities. Here at the Werkraum House you can see a sophisticated combination of artificial lighting and daylight,” says Managing Director Renate Breuss. In order to ensure perfect room acoustics, the open hall of the building where events are held was fitted with a thickly cushioned coffered ceiling made from timber. Zumtobel used a specially designed suspension system to install some 160 LED spotlights of the Panos Infinity range in this area. These downlights provide uniform ambient lighting as well as especially good lighting quality and are also highly efficient. Additional accent lighting and excellent colour rendering are ensured by nearly 90 swivelling Vivo LED spotlights, also fitted with a special pendant suspension system, which are used mainly for highlighting individual exhibits. Hence, Vivo provides accent lighting, creates contrasts and puts the focus on the exhibits, ensuring a fascinating art experience for the visitor.

In order to allow simple connection of the luminaires to the power supply and lighting control system as well as integration of an emergency lighting system, the Tecton continuous-row lighting system is used. This allows quick adjustment of the lighting solution to changing requirements thanks to no-tool installation. Moreover, Zumtobel has proved its flexibility in implementing individual requirements by providing a custom solution for the staircase and sanitary areas. Special downlights were flush-mounted in the concrete ceiling. They provide ideal lighting conditions to facilitate orientation and guidance and at the same time enhance the room's architecture. For emergencies, Zumtobel has installed Puresign and Resclite LED luminaires in the building. On the basement level, perfect orientation is ensured by suspended Tecton luminaires fitted with fluorescent lamps and rugged Scuba luminaires providing uniform lighting.

Zumtobel. The Light.

The film titled “Your light in a world of change” was created in collaboration with the Boros agency and the Zeitsprung Commercial film production company. The 1:30-minute film is an impressive and emotional story of how Zumtobel seeks to provide perfect lighting quality for people while protecting the environment. “Zumtobel stands for a new quality of light: the design-oriented lighting solutions we provide originate from our vision – to create the best possible light for people and the environment. We want to use light to make work easier, create worlds of experience and improve communications and safety. The film communicates this message very successfully,” says Stefan von Terzi, Director Marketing Zumtobel, who is very pleased about the award.

The plot revolves around the modern urban individual of the 21st century and the role light plays in people's everyday life. Live footage cleverly combined with 3D animations shows how lighting solutions adjust to the respective situation and people's needs in a world of change. The audience follows a man on his way through everyday life, witnessing how light makes living and working easier, enhancing his sense of well-being while increasing the energy efficiency of buildings.
“A good image film not only communicates the messages of a brand but addresses the target group and its needs in every detail. Our corporate production for Zumtobel is a perfect example of a film that credibly and emotionally communicates how a company uses innovative technology to improve the modern individual's quality of life,” says Christian Boros, CEO and Creative Director of the Boros agency, explaining the concept behind the film.
Zumtobel's image film also managed to win this year's “intermedia-globe Gold Award” and “German Design Award Special Mention” prizes.

Red Dot Award
The “Red Dot Award: Communication Design” is a renowned communication design competition. This year, a total of 6812 entries from 49 countries were submitted. Members of the international jury included Taiwanese designer Aaron Nieh, Turkish art director Ali Bati and Scottish designer Jack Renwick, among others. The key evaluation criteria of the entries submitted included originality and emotional quality as well as appropriate addressing of the target group, quality of design, recognition value and relevance for society. On 18 October 2013, the prizes were awarded at a ceremony in the Berlin Concert Hall attended by some 1400 guests from all over the world. The “Red Dot” prize-winning projects will be published in the International Yearbook Communication Design 2013/2014 and displayed at an online exhibition. Moreover, the “Red Dot” has become established as a coveted international quality mark.

On BOROS:
The BOROS agency was established in 1990 by Christian Boros. Employing a team of 49 people including designers, web designers, business economists, political scientist, communications experts and German philologists, BOROS develops interdisciplinary communication solutions many of which have received international awards.

Zumtobel. The Light.

No matter whether you work at a computer or tablet PC, use a smart phone, attend a meeting or hold a presentation: the LED luminaire range cannot fail to impress on account of its perfect lighting quality without producing any glare. This is made possible by the patented micro-pyramidal optic (MPO+). The diffuser layer of the optic resolves the LED points uniformly, ensuring perfectly glare-free light. Even at high luminous flux levels, luminance is consistently reduced, providing pleasantly distributed light even at steep radiation angles. Two colour temperatures are available for the luminaire range (3,000 K and 4,000 K). With a luminaire efficiency factor of up to 105 lm/W, the luminaires reduce the building's energy consumption, thus making a significant contribution towards sustainable added value.
All luminaires of the Light Fields evolution range boast excellent lighting quality and energy efficiency levels. Innovative technologies are used in various luminaire types with the aim of providing the best light for people in many different office situations.
For the recessed, surface-mounted and wall-mounted luminaires, Zumtobel has developed the 3Dprotect reflector. The reflector (patent pending) is both protection and optic at the same time. Its 3D structure protects the LED modules during installation, preventing damage from electrostatic discharge. At the same time, the structure's high reflection factor allows to increase the luminaire efficiency level.

The slimline design with a height of only 28 mm is made possible because the light emitting diodes have been integrated into the frame of the pendant luminaire. In order to obtain a well-balanced indirect/direct light ratio, LED light is emitted downwards thanks to litePrint light guide technology. The precisely calculated dot matrix of the litePrint light guide ensures uniform illumination of the complete light emitting panel. At the same time, an exactly defined light component is directed upwards, in specific regions, via openings in the luminaire housing, so that no extra LED modules are required for the indirect component.

Plenty of creative scope for modern office environments that are often modified is provided by the free-standing luminaire. Available with three different luminous flux levels (7,800, 11,000 und 14,800 lm) as well as warm and intermediate colour temperatures, the Light Fields evolution free-standing luminaire offers a variety of application options. The swarmControl technology used here is characterised by two functions that ensure a new dimension of individual lighting quality at workstations: the corridor function and the presence-based function. The fiormer primarily provides for safety and orientation, as the luminaires are dimmed up one by one by means of a built-in presence detector, thus indicating the way to the workstation. The presence-based function, on the other hand, ensures ideal lighting conditions with a mean illuminance level of up to 500 lx at the workstation, while users may adjust the quantity of light to their personal needs at any time using a control panel in the luminaire base. Neighbouring luminaires communicate via swarmControl, providing a cloud of light that creates a pleasant working atmosphere. The sensControl III function increases the free-standing luminaire's efficiency even more. The presence detector automatically switches the luminaire on and switches it off again when the workstation is left unattended. A brightness sensor monitors the illuminance level across the desktop and dims the luminaire depending on the quantity of daylight or artificial light available. Thus, up to 70 percent of energy can be saved, compared to conventional switchable free-standing luminaires.

Zumtobel. The light.

LIGHT FIELDS evolution LED luminaire range
Zumtobel presents the Light Fields evolution LED luminaire range for use in modern office environments involving a variety of requirements. Light Fields evolution com-bines clear design with innovative technology: the result is an LED luminaire range including re-cessed, pendant, surface-mounted, wall-mounted and free-standing luminaires in a uniform and slim design, perfectly in line with contemporary office architecture.

Perfect lighting quality for a variety of working situations is provided by the patented micro-pyramidal optic (MPO+). The optic's diffuser layer resolves the LED points perfectly, while the high-precision formed micro-pyramids ensure superior lighting quality. The luminaire elements feature innovative technologies providing the best light for workstations. The 3Dprotect reflector protects the LED modules, effectively preventing damage from electrostatic discharge during installation. In order to obtain a well-balanced relation between indirect and direct light, LED light is emitted up-wards and downwards thanks to litePrint light guide technology. Two colour temperatures are available for the luminaire (3,000 K and 4,000 K). With a luminaire efficiency factor of up to 105 lm/W, the LED luminaire also makes a significant contribution towards sustainable added value.

ARCOS xpert LED spotlight
Thanks to its perfect lighting quality and innovative reflector technology, the Arcos xpert LED spot-light cannot fail to impress in museums and art galleries. Due to the high colour rendering index of Ra 94 and the LEDs' narrow colour tolerance, artworks and exhibits can be illuminated authenti-cally to provide visitors with a perfect art experience. The spotlight is optionally available in a warm (3,000 K) or intermediate (4,000 K) colour temperature. Flexibility is ensured by five different re-placeable optics, four different lenses and two louvre options protecting against direct glare. Pin-point superspot light distribution is used to highlight even the smallest details. This high-precision lighting is made possible by a patented tapering dual reflector made of PC developed in-house. The tried-and-tested design of the Arcos spotlight has been left unchanged to allow gallery owners and museum curators to easily extend their existing luminaire portfolio by the spotlight's LED model.

ARCOS LED wallwasher
For illuminating homogeneous areas, Zumtobel now also offers an LED version of the Arcos wall-washer. The wallwashers' uncluttered design language blends unobtrusively into the surrounding architecture, ensuring uniform illumination of vertical surfaces. Thanks to a sophisticated optical solution and constant colour temperature of light emitting diodes, the standard 620 mm version and the short 320 mm version of this dimmable linear wallwasher ensure uniform illumination. Zumtobel relies on top quality in terms of materials as well: the housing is made of extruded aluminium sec-tion, with die-cast aluminium front sides.

VIVO LED spotlight system
For accent lighting in shops and small retail spaces, Zumtobel has added the small Vivo XS spot-light to the Vivo spotlight system and now also offers an LED version of the Vivo M spotlight. This rounds out Zumtobel's LED spotlight range for retail lighting, which now includes suitable lighting solutions for small boutiques with low ceiling heights as well as for display windows and for shops with high ceilings, so that products can be set centre stage in a targeted manner.
The small size of the Vivo XS spotlight is made possible by a combination of compact LED mod-ules and innovative cooling. When looking for a suitable design language, the EOOS designers let themselves be inspired by the shape of a turbine. Thus, the Vivo spotlight makes use of the airflow that is essential for cooling.
Vivo M, one of the most successful products in the Vivo spotlight range, is now also available as an LED version. Thanks to its excellent colour rendering index of more than Ra 90, glare-free light and especially uniform light distribution, the compact and versatile spotlight cannot fail to impress when used for shops or display windows.
IR and UV-free technology makes it possible to illuminate sensitive products, such as groceries for example, very gently. Thus, fruit and vegetables remain luscious, meat stays fresh and textiles retain their colours.

Moisture-proof LED luminaires
Special conditions apply to car parks when it comes to lighting. In addition to the protection rating required (IP 65), the requirements in terms of material and quality are high as well. In addition to the existing portfolio of Chiaro II and Scuba LED moisture-proof luminaires, Zumtobel has now added models with higher luminous flux levels.
The Chiaro II 840 moisture-proof luminaire now optionally delivers 5,900 lm or 6,400 lm with a watt-age of 54 W and is available in either an intermediate or cool colour temperature. Chiaro II achieves significant potential energy savings thanks to its luminaire efficiency factor of 109 lm/W at a colour temperature of 4,000 K or 118 lm/W at 6,500 K.
With an installed load of 54 W, Scuba LED now offers a choice of luminous flux levels of up to 5800 lm (Scuba LED 840) or up to 6300 lm (Scuba LED 765). Two colour temperatures are avail-able depending on specific needs: 4,000 K or 6,500 K. In case of continuous operation, moisture-proof luminaires with a luminaire efficiency factor of up to 108 lm/W (Scuba LED 840) or up to 117 lm/W (Scuba LED 765) have proved to be efficient lighting solutions.

METRUM LED continuous-row lighting system
With Metrum LED, Zumtobel introduces an LED model of the lighting system. Metrum LED cannot fail to impress on account of its straightforward planning and installation. As trunking, luminaire and LED optic form a fixed luminaire unit, installation effort is significantly reduced. Available in two different lengths (2 m and 3 m) and with narrow-beam and wide-angle light distribution, Metrum LED is able to solve a wide variety of lighting tasks. The continuous-row lighting system features high colour rendering (Ra > 80) at an intermediate colour temperature of 4000 K.

CIELOS LED monocolor modular lighting system
Cielos uses diffuse wide-area lighting as a variable, malleable design feature, thereby producing an impressive effect. The LED modules in the new Cielos LED monocolor system ensure excellent light distribution and constant colour temperature. In particular reception areas or conference rooms appear in a positive light to the viewer. Available in two different sizes (600 mm or 900 mm), the square luminaire is the perfect solution for various applications and is also impressively cost-efficient.

ECOOS LED pendant and surface-mounted luminaire
Ecoos LED meets exacting demands when it comes to design, efficiency and visual comfort: an innovative combination of micro-pyramidal optic (MPO+) and diffuser-pearl material enables unique 360° light distribution to ensure the best possible visual comfort and glare control in offices and classrooms. The timeless, sophisticated design of the luminaire adds a perfect flourish to any architectural and lighting design concept. Available as a pendant or surface-mounted LED luminaire in various lengths, this latest evolutionary iteration of ECOOS is particularly flexible in use. Installa-tion using TECTON trunking provides even more scope for creative design. The luminaire is avail-able in a warm or intermediate colour temperature. The LED version's luminaire efficiency factor of 74 lm/W also improves sustainability and cost effectiveness in professional applications.

LINCOR – pendant and surface-mounted LED luminaire
LINCOR's clear design language brings a linear look into offices. By its focus on technical essentials and its cross-sectional area of just 6 × 6 centimetres, the luminaire emphasises architectural ideas and blends seamlessly into various settings. The microprisms of the luminance-reducing optic (LRO) reduce harsh shadows in task areas and annoying reflections on screens. The surface-mounted version of LINCOR is the perfect solution for offices with low ceilings. A luminaire efficiency factor of more than 89 lm/W makes Lincor a sustainable office lighting solution.

SINUS LED medical supply unit
Zumtobel introduces Sinus, a flexible LED supply unit that meets various requirements in the health care sector. While doctors and care staff need ideal lighting conditions to perform treatments and examinations, patients need ideal lighting conditions to aid their convalescence. In addition, sustainability and energy efficiency are increasingly important factors, especially for operators and investors. The system can be flexibly adjusted to rooms with one to three patient beds. Fitted with innovative LED technology, Sinus provides room lighting (5940 lm per bed), examination lighting (6770 lm), reading light (830 lm) and night light (50 lm) combined in one medical supply unit. The LED room lighting with indirect light distribution creates a pleasant atmosphere in the patient room. Optionally, it can be positioned continuously anywhere over the entire length of the supply unit. The electrically adjustable LED reading light inside the horizontal Sinus supply unit allows even more flexibility when determining room layouts: the lighting can be adapted to suit the arrangement and number of beds in a patient room at the touch of a button. The high level of flexibility makes Sinus a medical supply unit that is fit for the requirements of today and tomorrow.
Components such as socket outlets, switches and phones, emergency nurse call buttons and data jacks for communications, as well as outlets for medical gases, are all unobtrusively housed in the Sinus system. This makes Sinus a functional supply unit which, thanks to its slimline design, is capable of making a significant contribution towards a feel-good atmosphere in patient rooms. The amortisation period of Sinus is reduced by its luminaire efficiency factor of 101 lm/W, its flexibility and long service life as well as the 5-year guarantee granted by Zumtobel for its products.

Medical supply units and bedside luminaires featuring LED technology
The VE-L and Pureline II medical supply units and the IMWS integrated medical wall system as well as the Pureline II and Belia bedside luminaires are now also available with LED technology. The low maintenance effort and long service life of LED systems are not only impressive in economic terms; these solutions also have a positive impact on a room's ambience and deliver light that is perfectly adjusted to suit various situations in accordance with EN 60598-2-25 standards – from examination through to reading light.

Configuration of luminaire models using myPRODUCT
Zumtobel now provides the option of configuring one's own luminaire on the company's website according to individual requirements. Select a product range on the website, go to the Configurator and choose the appropriate options to suit the functions matching your individual project requirements from a wide variety of additional options. The portfolio offered in the product catalogue has thus been extended by more than 1,000,000 options.

Zumtobel. The light.

High-quality lighting in hospitals makes a difference. Especially in patient rooms, natural light enhances the patients' well-being and, as a consequence, promotes their convalescence and health. However, medical staff needs perfect lighting conditions for examinations and nursing services as well. Fitted with innovative LED technology, Sinus provides room lighting (5,940 lm per bed), examination lighting (6,770 lm), reading light (830 lm) and night light (50 lm) combined in one medical supply unit. The LED room lighting with indirect light distribution creates a pleasant atmosphere in the patient room. Optionally, it can be positioned continuously anywhere over the entire length of the supply unit. The electrically adjustable LED reading light inside the horizontal Sinus supply unit allows even more flexibility when determining room layouts: lighting can be adapted to suit the arrangement and number of beds in a patient room at the touch of a button. This new scope for creative design also makes huge savings possible. In addition to the large number of functions, Sinus cannot fail to impress thanks to its clear formal language and elegant slimline design and the high-grade materials used.

Components such as socket outlets, switches and phones, emergency nurse call buttons and data outlets for communications, as well as outlets for medical gases, are all unobtrusively accommodated in the Sinus system. This makes Sinus a functional supply unit which, thanks to its slimline design, is capable of making a significant contribution towards a feel-good atmosphere in patient rooms. The amortisation period of Sinus is reduced by its luminaire efficiency factor of 101 lm/W, its flexibility and long service life as well as the 5-year guarantee granted by Zumtobel for its products.

Flexibility for the benefit of patients
When developing Sinus, designer Andrea Ciotti integrated the light emitting diodes that provide reading and examination lighting exclusively in the front part of the supply unit. This makes sure that the entire length of the medical supply unit remains available for mounting a suspension bracket or a storage shelf for depositing personal items of patients.

Zumtobel. The light.

In September 2013, the “Leadership Awards” for green building were awarded for the first time by the WorldGBC with the aim of establishing and strengthening a worldwide network for sustainable building. Among more than 30 nominations from 13 European countries, the City Green Court office building designed by Richard Meier & Partners Architects LLP from New York emerged victorious. The jury's decision was based on the integration of cutting-edge technologies, used for the first time on an international level, the combination of which makes sure that the building consumes 56 percent less energy than other buildings.

Zumtobel has supported the integral sustainability concept by providing an integrated lighting solution: the daylight-based Luxmate Professional lighting control system ensures that natural daylight is used to optimum extent and staff members can enjoy both perfect lighting condi-tions and a pleasant atmosphere. The energy-saving concept is further enhanced by the use of state-of-the-art LED luminaires, an efficient emergency lighting system and presence detec-tors.

About the World Green Building Council (WorldGBC)
The WorldGBC is a worldwide network of national green building organisations. It aims at promoting collaboration and research as well as sharpening the profile of sustainable building methods internationally.
For more information, please refer to www.worldgbc.org

After nearly four years of construction work, the new campus of Vienna's University of Economics and Business (WU) will open its doors in October 2013. Some 23,000 students and 1,500 staff members will be researching, studying and teaching on the premises. In an area of about 90,000 square metres, six internationally renowned architects have created a unique ensemble of buildings. The heart of the campus is the “Library and Learning Center” designed by Zaha Hadid, which includes a large auditorium and the main library, among other things. Grouped around it are five other university buildings designed by Hitoshi Abe (Sendai/Japan), Carme Pinós (Barcelona), Eduardo Arroyo (Madrid), Peter Cook (London) and Laura Spinadel (Vienna). In addition to high design aspirations, the client attached high importance to environmental considerations during erection of the buildings. The whole campus was therefore built in line with a so-called “green building” concept, which also included installation of an efficient and sustainable lighting system. Austrian lighting expert Zumtobel, based in Vorarlberg, could not fail to impress the designers and architects involved by implementing a complete customised lighting concept based on energy efficiency and flexibility. Zumtobel also boasts many years of experience in the management and handling of large-scale projects as well as comprehensive advisory know-how. For the various university buildings, Zumtobel developed custom lighting solutions incorporating numerous pendant luminaires, continuous row lighting systems, light lines and moisture-proof luminaires, and in total provided some 12,000 luminaires, in addition to a continuous row system of seven kilometres length. Zumtobel also coordinated the installation and commissioning of the luminaires, in collaboration with four electrical contractors. The order volume for luminaires and installation amounts to more than EUR 7 million.

In the “Library and Learning Center” as well as in three department buildings accommodating various university faculties and administration units, Zumtobel has installed some 5000 LED luminaires from the Panos Infinity range. These downlights mainly illuminate the staircases, corridors and escape routes in the building as well as the sanitary areas. They provide guidance to students and university staff, help them find their way and ensure pleasantly bright ambient lighting. In doing so, Panos Infinity features particularly high lighting quality and excellent efficiency. During normal operation, the LED luminaires consume significantly less energy than any comparable conventional solution and boast a longer service life as well. Compared to conventional standards, the LED solution has a payback period of only five to six years. Over and above this, the LED downlights can easily be integrated into a lighting management systems, so that the lighting in the staircases and sanitary areas of the university buildings can be efficiently controlled using presence detectors. In department building D3, Zumtobel has also demonstrated its flexibility in meeting individual requirements by developing a special housing for the downlights, since they could not be installed in the concrete ceiling. In these areas, light is also provided by Slotlight II luminaires. The continuous light line without a luminaire unit looks light a narrow lighting channel and provides pleasantly uniform lighting. Slotlight II hase also been installed in the staircase of the “Library and Learning Center”. The offices in the three largest department buildings are illuminated by Claris II pendant luminaires. The minimalist luminaire blends harmoniously into the room, providing accurate light direction and perfect glare control – which is especially important at computer workstations. In the basements and technical services centres of the five building complexes, Zumtobel has also installed the rugged Scuba luminaire, which is particularly soil- and water-resistant. Its uniform illuminance also ensures perfect orientation.

More information on the “WU campus” project:

After six years of reconstruction, the Royal Cabinet of Mathematical and Physical Instruments at the Zwinger palace in Dresden has been open to the public since April 2013. Today, the experimental cabinet of the Saxon elector, established in 1728, is the oldest museum located in the Zwinger. The new exhibition design enhances the architectural structures of the palace and allocates more space to the fascinating collection. On a floor space that has almost doubled, 400 of the around 2,500 historic scientific instruments are still displayed. Terrestrial and celestial globes, burning mirrors, telescopes, clocks and watches provide visitors with an insight of how scientists used to explore the world in the past. The oldest exhibit is a Persian celestial globe from the twelfth century. Thanks to the materials used and their exquisite craftsmanship, many items are impressive works of art. Large exhibits are presented free-standing, while smaller and especially sensitive objects are protected by showcases. Visitors are invited to stroll around and make discoveries for themselves.

“The new exhibition layout of the Royal Cabinet of Mathematical and Physical Instruments sets the masterpieces of the collection centre stage. Thus, visitors can enjoy the beauty and technical brilliance of the devices made for the Saxon Court up close and down to the finest detail. Media stations and presentations of historic experiments using replicas illustrate the functions of the instruments that were used for active research on site, at the Dresden Zwinger” – this is how Hartwig Fischer, General Director of the Dresden State Art Collections, explains the new concept. The lighting solution plays an important role against this background: it accompanies visitors along the galleries and pavilions, facilitating orientation and ensuring that they can experience the instruments authentically, while at the same time allowing for targeted and gentle presentation.

LED opens up new opportunities
One of the most important decisions in the context of the new concept was the changeover to an LED-only lighting solution. The minimalist Supersystem LED spots blend unobtrusively into the interior, enhancing the Baroque architecture to optimum effect. It is, however, not only their reduced dimensions and low energy consumption, but above all the LED luminaires' excellent lighting quality that is so impressive: since the new generation of LED luminaires emits significantly less heat and the light they generate is nearly completely free from IR and UV radiation, potential damage is reduced to a minimum. Outstanding colour rendering of more than Ra 90 allows visitors to experience the exhibits in their natural appearance, which could not differ more in terms of materials and colours, for since silver is presented to optimum effect in cool white light colours, warm white is ideal for shades of gold and bronze.

Some 400 exhibits are set centre stage authentically yet gently by approximately 1100 LED spots. Thanks to their performance potential, accent lighting is possible even across longer distances. Here, the modular lighting system is able to proof its outstanding versatility. Depending on the lighting task, various Supersystem models have been installed in the entire exhibition area as well as in public spaces: recessed in the ceiling, surface-mounted or as pendant luminaires. Moreover, the individual spots can be swivelled in and out and rotated in all directions to provide selective accent lighting.

Another characteristic feature of the new lighting solution is the interplay of daylight and artificial lighting. In the bright galleries, which were originally not intended as museums and meet conservational requirements to a very limited extent only, a great deal of sensitivity was necessary to integrate air-conditioning and light-shielding devices in order to protect the precious and sensitive exhibits. Thanks to a built-in DALI unit, Supersystem is compatible to a variety of lighting management systems, and the spots can be subdivided into useful control groups, adjusted to the prevailing lighting situation and set to ideal luminous intensity levels to suit the respective exhibition situation. “The combination of artificial lighting and daylight has been especially adjusted to the requirements of the interior design. State-of-the-art LED technology allows even the presentation of sensitive exhibits in a contemporary fashion, while the original flair of the premises is preserved,” explain Raoul Hesse and Carla Wilkins, the design team of Lightvision, the lighting design studio in charge, who are very pleased with the results.

Zumtobel. The Light.

The newly opened “Museum Ton Schulten” in Ootmarsum is far more than an artistic biography of Ton Schulten, one of the most successful and renowned contemporary Dutch painters. In several rooms, he not only displays his own oeuvre, but also selected works of art by a number of international artists. He placed particular emphasis on an authentic, yet gentle lighting concept. In Zumtobel he found a partner who was able to perfectly implement his demands in terms of colour rendering quality, flexibility and conservational requirements.

Excellent colour rendering
Most of Ton Schulten's paintings show landscapes where nature shines in all her colourful splendour. Visitors are supposed to get the impression of standing right in the middle of such a landscape, experiencing it in natural sunlight. Against this background, the lighting solution faces particular challenges, for while bold blue or green shades are presented to optimum effect in cool white light, warm white is ideal for red and yellow. Hence, colour rendering and colour brilliance were very important aspects in Ton Schulten's decision for the right lighting solution. “I am highly satisfied with the result, because the paintings are presented in a very natural light so that they can unfold their full effect,” says a pleased Ton Schulten.
The solution was provided by a customised version of the Arcos LED spotlight system boasting a colour rendering index of up to Ra > 95 at 2700 K. In order to set the perfect lighting stage for presenting the artworks, a total of 230 spotlights were installed on Supersystem tracks. The dimming level can be adjusted directly on the spotlight, which allows individual adjustment to any exhibit. In addition, a variety of beam angles and an oval outline lens ensure sufficient flexibility to solve the most diverse lighting tasks.

Gentle and efficient illumination
However, the LED lighting solution was able to outcompete conventional halogen lighting not only due to excellent colour rendering, but also thanks to its compliance with conservational requirements. “As the new generation of LED luminaires emits significantly less heat towards the precious exhibits and the light they generate is nearly completely free from IR and UV radiation, we can ensure gentle illumination for sensitive objects as well,” says Barry Harmes from Zumtobel who was involved in the project from the beginning.
This was further corroborated by a study conducted by Zumtobel in collaboration with the Lighting Engineering Department of Darmstadt University of Technology. As part of this study, the quality of various light sources was tested on a real object of art, Picasso's “Harlequin” drawing, using predefined evaluation parameters. Basically, potential damage caused by the LED spotlight is significantly lower at comparable colour temperatures. At the same time, energy efficiency is increased by the LED spotlight, as the input of electrical energy is around 50 percent less than with a halogen spotlight. An additional benefit is the LED's long service life, combined with reduced maintenance effort.

Zumtobel Research
»Measurement of lighting of Pablo Picasso‘s “Harlekin” (1916) at the Lindau Town Museum 

Zumtobel. The Light.