View This Issue - February 2012

LED lighting at Louvre symbolizes Toshiba’s move into Europe (MAGAZINE)

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This article was published in the February 2012 issue of LEDs Magazine.

View the Table of Contents and download the PDF file of the complete February 2012 issue.

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Toshiba Corporation recently completed the first stage of a project to replace the external lighting at the Louvre Museum in Paris, France, with LED lighting. The first stage involved the lighting inside the iconic central Pyramid, as well as the three surrounding pyramidions (small pyramids) and a section of the facade of the Colbert pavilion, part of the main museum building. The lighting was switched on during a ceremony on December 6, 2011, by Norio Sasaki, president and CEO of Toshiba Corporation, and Henri Loyrette, director of the Louvre Museum.

FIG. 1. Toshiba has installed LED lighting in the Louvre's Pyramid, the pyramidions, and the facade of the palace building.
FIG. 1.
Essentially this is an architectural lighting project: there are no plans yet in place to install LED lighting in the galleries, although the Mona Lisa painting is illuminated with a standalone, purpose-built LED light source. However, both the project and the launch ceremony make a clear statement about Toshiba’s intentions within the European lighting market. Toshiba made a high-profile debut in Europe at Light+Building in April 2010, and all the company’s lighting products in Europe are LED-based. François Séguineau, VP Europe with Toshiba Lighting Systems, said that Toshiba is now a “top-3 supplier of LED lamps in Europe.”

The partnership between Toshiba and the Louvre Museum, which will run until 2023, was first announced in July 2010. In the next phases of the project the remaining facades of the Napoleon Court will be completed in the first half of 2012, and the courtyard will follow in 2013.

Overall, Toshiba will provide a total of 3200 LED light fittings to replace 4500 xenon light fittings. The LED retrofit will cut annual power consumption for the exterior lighting by 73%, from 392,000W to 105,000W. Six different fixture types, including 15-LED linear fixtures for the Pyramid (Fig. 2), and exterior floodlights (Fig. 3), were purpose-designed for the Louvre installation. The lighting had to meet various technical specifications, but also meet certain subjective and aesthetic requirements. Takayoshi Moriyama, a Toshiba lighting specialist, explained how the project differed from a typical one. “We would typically use tools such as specification drawings which would be finalized by the sales manager after consultation with the client,” he said. “We would then make a prototype of the fixture, re-check its optical and electrical performance and – barring any problems – progress from product development to product certification in a short time frame, with delivery date as the top priority.” Although Toshiba’s prototypes and specifications were approved by the Louvre’s technical directorate, they were then subject to a second, detailed screening by the museum Director and the Historical Monuments Committee of Paris. Moriyama said there was considerable debate about the size, shape and color temperature of the fixtures (2700K was eventually settled on). “We had to harmonize the fixtures with the building as part of the scenery,” he said.

Vision and branding

In a lighting seminar accompanying the switch-on ceremony, Masami Fukuda, president of Toshiba Lighting & Technology Corp, said that the company’s lighting revenue for the year ended March 31, 2011, was €5 billion, or 9% of total sales. He stated that Toshiba’s vision statement for the lighting business is “Lighting the way to warmth and harmony with people and the environment.” LED technology is seen as combining “people’s value creation” – which includes comfort, culture and emotion – with “environmental value creation,” which includes higher efficiency and life-cycle cost reduction compared with competing technologies.

FIG. 2. Linear LED fixtures installed in the interior of the Pyramid.
FIG. 2.
As well as Toshiba’s technological capabilities and its ability to create synergy with smart energy-management systems, Fukuda pointed to the importance of leveraging Toshiba’s brand, which he described as a “trusted brand in consumer electronics with its quality.” Branding and reputation are clearly important attributes for companies like Toshiba, along with its peers such as LG, Panasonic, Samsung and Sharp, who have all introduced lighting products into the European market. These are not traditionally recognized as lighting companies in Europe, although the Japanese companies are strong in their domestic lighting market.

As LED lamps become more prevalent, consumers will need to adjust to paying higher prices for lamps, with the promise of energy savings and longer life. They may also need to start to think of lighting in terms of being more like a consumer-electronics product, and less like a very-low-cost consumable item. As this shift occurs, the reassurance of a brand with a reputation for quality could prove to be a decisive factor when the consumer makes an investment in LEDs.

Vertical integration

Meanwhile, Séguineau claimed that, within two years, Toshiba has become “a key European player in the LED market.” The company’s strategy has been to focus first on commercial lighting, second on street lighting, and third on residential lighting – and as stated above, all its products for the European market are LED based. Toshiba is using a 100% indirect-sales model, using wholesalers and energy-saving companies for business-to-business sales; retailers for business-to-consumer sales; and selling LED light-engines to lighting manufacturers. In this last case, Séguineau said that Toshiba is looking to achieve “Toshiba inside” recognition in the branded products of other companies.

FIG. 3. LED floodlight module for the Court Napoleon facade.
FIG. 3.
Masao Segawa, chief technology executive of Toshiba Lighting, described a new 90-mm-diameter light engine with a new socket (GH76P) that has an output of either 1100 or 1600 lm, and a beam angle of either 45° or 85°. He also described a new version of Toshiba’s A-shape E26 LED lamp that has a light distribution of 260°, compared with only 120° for the previous version. The LEDs are still on a horizontal plane, but special optics are used and the light is reflected from the inside of the lamp cover in order to provide the desired light distribution. The 10.6W lamp has an output of 1000 lm.

Toshiba is a supplier of many types of electronic components, including laser diodes, and is now increasing its internal production capacity for LED chips. Masami Fukuda told LEDs Magazine that “some of Toshiba’s LED lamps already use the company’s own LEDs,” and that the intention is to become more vertically integrated in the future.

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