LED Lighting in Hotel
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2011年12月30日星期五
2011年12月28日星期三
LED Lighting in Ravintola restaurante Restaurant Hotel
LED Lighting in Hotel save electricity charge
By replacing halogen and incandescent by LED lamp bulb , users save electricity charges big amounts.
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2011年12月26日星期一
LED Lighting in Restaurant
2011年12月22日星期四
LED Lighting solution for Parking
LED lighting are more widely used in parking area.
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2011年12月20日星期二
Use LED lamp replace incandescent and halogen
U.S Congress’ Bill slow switch to efficient light bulb
Congress’ move this weekend to save Thomas Edison’s 131-year-old incandescent light bulb from a federally required phaseout, slated to begin Jan. 1., may slow but not halt the nation’s switch to more efficient lighting.
The Senate and House passed a massive spending bill, which President Obama is expected to sign this week, that includes a measure barring the Department of Energy from enforcing more efficient light bulb rules. Those rules, requiring bulbs use at least 25% less energy, do not ban all incandescents but phase out Edison’s bulbs in favor of the more efficient halogen incandescent, the CFL (compact fluorescent lamp) or LED (light emitting diode.)
The light bulb rules were approved with bipartisan support and signed by President George Bush in 2007. Yet this year, House Republicans and conservative commentator Rush Limbaugh have attacked them as a ban on all incandescents and an infringement on individual rights.
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2011年12月18日星期日
INTERIOR LED LIGHTING APPLIED IN COFFEE
COFFEE USES LED LAMP BULB SAVE ELECTRICITY CHARGE REDUCE CO2
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2011年12月15日星期四
LED Lighting for commercial interiors
LED Lighting for commercial interiors
http://architecturenow.co.nz/articles/led-lighting-for-commercial-interiors
Although LED technology has been around for a number of years, it is only recently that it has started to gain traction as a lighting solution in both commercial and residential projects.
LED technology provides a number of benefits: it can last up to twentyfive times longer than standard incandescent lighting and uses up to 80% less energy.1 LEDs also provide illumination without emitting infrared and ultraviolet radiation. These characteristics have seen lighting experts predict LED lighting will make up at least 50% of global lighting by as early as 2015, and 75% by the end of this decade.2 Lighting accounts for up to 40% of the energy used in commercial offices thus more efficient lighting products can bring significant energy savings. When combined with daylight-harvesting lighting controls (which recognise light levels outside and adjust interior lighting accordingly) and movement-detection sensors (which identify when workspaces are occupied and adjust lighting accordingly) energy efficiencies of up to 70% can be made.4
In addition to these energy and cost savings, LED technology enables new tools for design professionals to create innovative and creative spaces. Philips partnered with ceiling tile manufacturer Armstrong to develop ceiling panels with built-in energy-effi cient lighting. These panels are signifi cantly thinner than regular lighting installed in ceiling panels, enabling greater ceiling heights — particularly useful when older building are being retrofitted to achieve Green Star ratings. A new international partnership with Kvadrat Soft Cells has developed luminous textiles by integrating Philips’s LEDs into Kvadrat’s acoustic panels.
A study commissioned by Philips and undertaken by City University London’s Centre for Performance at Work emphasised the importance of lighting to worker productivity,5 something also illustrated in the 2006 paper by the New Zealand Parliamentary Commissioner for the Environment, which found that improved lighting design increased worker productivity by up to 23%.6 The potential for lighting conditions to improve worker productivity was behind Philips’s recent research into adjusting lighting colour and intensity to suit mood and activity, rather than using a constant harsh, cold light. In Audi’s office in Germany, Philips has installed a lighting control system that turns lights on and off according to the time of day and amount of natural light. New lighting technology can be programmed to simulate natural daylight, to stay in tune with people’s natural biorhythms. In a trial at Westraven Tower, a twenty-three-storey office block in the Netherlands where this was done, staff reported feeling more energised and having a greater sense of wellbeing.7 There are a number of these types of LED lamps, luminaires, and control systems now available in the New Zealand market.
Below are a few myth-busting facts to assist you in choosing the best LED options for your designs:
MYTH: LEDs are not bright enough
LED traffic lights are already common, demonstrating that LEDs are bright enough to be seen in daylight. Rooms, tunnels and entire building facades have been lit entirely
with LEDs. By any measure — illuminance or luminance — LEDs have enough light output for use even in very large outdoor daylight visible installations.
MYTH: Three-watt LEDs are brighter than one-watt LEDs
People are used to looking at wattage to determine the output of a light source. However, the wattage of an LED is not directly comparable to either the wattage of a traditional light source or even from one LED to another. Therefore, light output and light extraction effi cacy, rather than raw wattage, are the key factors when looking at an LED source. Efficacy is the amount of light in lumens to the power used in watts or lumens per watt. So when selecting LEDs or LED fixtures, it is more about light output, than power, so you need to look for the lumens per watt of the system.
MYTH: LED light quality is poor
There are several measures used to describe light. Colour temperature characterises the colour appearance of a source and describes the apparent warmth or coolness of that light source. The Colour Rendering Index (CRI) is a metric used to measure the quality of light. The CRI for many white-light LED systems is typically 75–85 (out of 100), and continues to improve rapidly, making it suitable for nearly all lighting applications.
MYTH: LEDs last forever
LEDs have a long source life but, like all light sources, they slowly fade over time. Ambient temperatures, electrical drive currents, and the effectiveness of cooling systems in the lamps and luminaires are all factors that contribute to lumen depreciation. A typical lifespan for LED lamps is 25,000 burning hours, and for fixtures 30,000 to 50,000
burning hours.
MYTH: LEDs generate no heat
When used in lighting applications, LEDs do not radiate infrared heat, only visible light. However, waste heat is produced during the conversion of electricity into light and, if not properly removed from the lighting system, may potentially damage the LEDs. Heat removal can be accomplished through carefully designed and engineered heat sinks from manufacturers that take these thermal issues into account. The larger the heat sink, the more efficiently and effectively heat is drawn away from the LED and dissipated into the surrounding air.
MYTH: LED systems are expensive
The return on investment (ROI) for the use of LED lighting systems in an installation is surprisingly rapid when taking maintenance and energy cost savings into consideration.
In many cases, economic payback can be seen in less than two years. Additionally, the upfront cost of LED systems is continuing to drop rapidly.
FOOTNOTES:
1. “Light Emitting Diodes,” RightLight
2. Philips Lighting global market study 2009, updated for 2010.
3. UTC Power, presented in the Energy Efficient Building Seminar, May 2007, Beijing, China.
4. Philips Lighting case studies: Rundbau (Germany), Abbey Bank (UK).
5. “Lighting, Wellbeing and Performance at Work,” study commissioned by Philips and carried out by City University London’s Centre for Performance at Work.
6. “A health impact assessment of Future currents: Electricity scenarios for New Zealand 2005–2050,”Parliamentary Commissioner for the Environment, 2006.
7. Philips Lighting case study: Westraven, Utrecht, the Netherlands.
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2011年12月14日星期三
LED LIGHTING LAMP
USED IN COFFEE replace halogen and CFL SAVE ELECTRICITY CHARGE
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2011年12月13日星期二
LED LIGHTING IN STARBUCKS REDUCE CO2 (2)
Starbucks s’engage pour des cafés éthiques et environnementaux (2)
Starbucks prend le développement durable au sérieux: ses prochains établissements seront certifiés conformes à la norme LEED. En Allemagne, le premier de ces cafés conçus dans le respect de l’environnement a été ouvert à Dresde, au rez-de-chaussée d’un nouvel hôtel. Cet édifice a été dessiné par le cabinet Pfau Architekten, de Dresde, pour le groupe espagnol NH. “A partir de 2011, tous nos cafés répondront aux critères conceptuels et environnementaux que nous présentons à nos clients pour la première fois ici”, explique Ross Shadix, directeur de Starbucks Coffee Allemagne. Le concept: des couleurs qui rappellent l’univers du café, et l’utilisation de bois pour instaurer une atmosphère paisible et agréable pour savourer le café.
La norme LEED correspond à un système de certification mis au point aux Etats-Unis par le Green Building Council concernant les édifices durables. D’abord axée sur les bâtiments individuels, cette certification s’est développée, sous l’impulsion notamment de Starbucks, pour donner lieu au “LEED Volume Certification program”, qui permet de faire certifier plus facilement des concepts architecturaux pour les chaînes d’alimentation et de commerce de détail.
Le concept d’éclairage du bar s’adapte à beaucoup de situations similaires dans la gastronomie et le commerce de détail: le faisceau orienté étroit des projecteurs accentue la surface du comptoir et crée les conditions visuelles optimales pour les clients et pour le personnel, sans éblouir. Le mur arrière, derrière le bar, est éclairé par la lumière verticale des appareils à faisceau mural. Doublé d’étagères, il envoie ainsi un signal fort: l’orientation dans l’établissement est facilitée, l’expérience de la marque gagne en intensité.
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2011年12月6日星期二
LED LIGHTING IN STARBUCKS REDUCE CO2
Starbucks s’engage pour des cafés éthiques et environnementaux
• 06/03/2011 à 13h50 • Catégorie: évolution de la consommation
Avec l’ouverture de son 58e café en France au mois de janvier dernier, Starbucks Coffee opte désormais, afin de séduire sa clientèle, pour des locaux respectueux de l’environnement (revêtement mural en bois réalisé à partir de matériaux de récupération, peintures naturelles sans produits chimiques, éclairage à LED) et des achats éthiques de café.
Les 57 autres Starbucks de France (dont 40 rien qu’à Paris) adopteront progressivement ce nouveau design qui obéit au concept Shared Planet. Ce dernier se veut éco-conçu et en accord avec les normes LEED de construction (certification internationale évaluant les performances énergétiques, la réduction des émissions de CO², la consommation d’eau, les qualités environnementales intérieures…).
Starbucks Coffee entend ainsi devenir un véritable lieu d’échange et de convivialité. Près d’une dizaine d’ouvertures en France sont d’ores et déjà programmées pour 2011.
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2011年12月4日星期日
Lighting ( LED Lamp ) in Coffee /Caffè /café/ Cafe
Design Lighting ( LED Lamp ) in Coffee /Caffè /café/ Cafe
As operator of café, saving costs is one of most important. By using LED lamp bulb to replace halogen and CFL, it helps the café to decrease up to 70% of electricity charge caused by lighting.
For more detail , refer this article :
http://led-online.cn/blog/index.php/archives/91LED Products used in Office Lighting
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2011年12月2日星期五
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