The demonstration plan for LED street lamps after 2003 is in full swing in various countries, including the Netherlands, the United Kingdom, Canada, the United States and China. The demonstration plans of various countries will be larger and cover a wider range. A brief introduction to several larger demonstration projects.
1. Philips' demonstration street light in the Dutch town of Ede, the Netherlands
In 2005, Philips announced the installation of the world's first LED street lights in the Dutch town of Ede. These street lights contain 18 white and yellow LEDs (6 3W white LEDs and 12 1W yellow LEDs) for each optical module, thus enabling street lights Soft or bright light can be emitted depending on the season and night time. In addition, Philips' LED streetlights contain 2 optical modules with an illumination range of 4 m and a ground illumination of 10 lux at 8 m off the ground.
2.Lincoln LED street lighting test in the UK<br>The LED street lamp concept in Lincoln City, UK is from the LED traffic sign. The city saves 30,000 dollars every year after using the LED traffic sign. It is considered that if LED street lights are used, it is bound to be Will save more money. Therefore, in 2006, Lincoln of the United Kingdom allocated $745,000 to the Lincoln Electric System (LES) for LED streetlight test, hoping to save 20% of electricity bills after using LED streetlights.
3. LED street lights make Toronto, Canada brighter and more environmentally friendly <br>The main purpose of this demonstration program is to save electricity costs and reduce greenhouse gas emissions. Toronto has 160,000 street lights. If it is all changed to LED street lights, it is expected to save $600 million in electricity bills and 18,000 tons of greenhouse gas emissions per year, equivalent to about 3,600 cars disappearing from the street.
The only 12-inch LED streetlight in Toronto is currently located in the Automotive Building, manufactured by Leotek Electronics, which costs approximately $1,200 per trip. The program will continue in 2007 to test the durability, lighting characteristics and weather resistance of LEDs.
4.LED stands out from the competition of New York streetlights <br>The plan name is “City Lights Competition- New Yorkâ€. This plan was first launched in 2004. New York City launched an international design competition for a new streetlight, and finally won the light source of this plan. The technology is LED, and will be developed for LED light source and module technology in the next few years; LED light source, combined with LED high luminous flux, light shape design and thinning, and find out to solve the problem of LED heat dissipation ; LED module, by integration High-brightness LED technology to increase the application of LEDs in the field of lighting, in addition to optical module design to reduce light attenuation. The plan is currently in progress and New York expects to see new LED street lights coming out in recent years.
5. Raleigh and Cree of North Carolina, USA, work together to create the first LED City
Raleigh and Cree of North Carolina, United States, started from the public parking lot to build the first LED City. The public's perception of the quality of the LEDs is more positive, and the recognition is about three times higher. Under the vision of becoming the first LED city in the United States, Raleigh and Cree will continue to work together to create a true LED for the next 18 months for streetlights, sidewalk lighting, architectural lighting and other LED applications. City will set a good example of the source of the economy and environmental protection achievements, and drive the follow-up of other cities.
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