Subject: The application of the Japanese manufacturer and the electric spring (IDEC) on March 6, 2008, all new lighting fixtures using LED light source, and published to the media on March 12th. In addition to indoor lighting in the office, corridors, conference rooms, exhibition rooms and toilets, LEDs are also used for lighting and outdoor lights in parking lots. According to the company, although there have been precedents for LED lighting in indoor lighting, the construction of all LED lighting is the first in the world. The new building has a floor area of ​​approximately 2,378 m2. According to the Kashima construction calculations responsible for the design and construction, the total annual electricity consumption can be reduced by about 41% compared with the original lighting fixtures such as fluorescent lamps and incandescent lamps.
Although the power consumption can be reduced, the initial cost of LED lighting is as high as 35 million yen, which is twice or more when using original lighting such as fluorescent lamps and incandescent lamps (about 13 to 15 million yen). However, the electricity cost can be saved by reducing the power consumption. In addition, it takes 13 hours per day and 240 days per year. It does not need to be replaced in about 16 years. Therefore, in the 14th year, the cumulative cost will be lower than that of using fluorescent lamps. Among the initial costs of LED lighting, the cost of white LEDs accounts for the majority. IDEC expects that in the future, if high-power white LEDs for lighting can be mass-produced, the cumulative cost will be much shorter than that of fluorescent lamps. According to the company's data, if the initial cost is reduced to about 1.3 times that of fluorescent lamps, the cumulative cost will be lower than the use of fluorescent lamps for about 4 years.
A total of about 11,000 white LEDs were used in the entire building.
The LED used in this lighting is the white LED "IDEC Sunshine" manufactured by IDEC Opto Device. It is also the most advanced product in the white LED called SA grade. The specification of the white LED is 285 lm when the input is 3.3 W, and the luminous efficiency is 86.4 lm/W (the color temperature is 6000 K, which is used continuously). A total of approximately 11,000 white LEDs were used throughout the building.
IDEC optics believes that the era of white LEDs can be used for general lighting, and it was released three years ago by DEC DEC Sunshine. Although the supply is increasing, the white LED market for lighting has not grown as originally expected. IDEC pointed out that one of the reasons is that there are too few examples of LED lighting, and it is not enough to verify the LED lighting effect. Therefore, the company plans to personally verify the effects of LED lighting through this new building. At the same time, the experience of using LEDs for lighting has been accumulated as a factory for practical technology.
Alternate use of 6000K and 3300K products
LED illuminators are available in a variety of models. For example, in the office, conference rooms and corridors, the use of "ãƒ" type lighting. A total of 20 white LEDs with a color temperature of 6000K and a warm white LED of 3300K were used alternately. According to the company, in this way, it is equivalent to about 4,500K white, which is good for human eyes. This LED lighting fixture consumes 66W, has a full beam of 4,300 lm, and has an overall efficiency (combined efficiency) of 65 lm/W including the power supply section. This lighting was produced and configured with 293 units. In the bedroom, the brightness around you is around 700lx.
The IDEC Sunshine used in this package integrates 27 small blue LED chips in a package that combines with the phosphor material to obtain white light. The LED chip is synthesized from Toyota, and then packaged by IDEC optical components. As a new generation of products, the company will supply 55 LED chips in a single chip in the summer of 2008. When inputting about 11W, a beam of 920lm (for continuous use) can be obtained, and when inputting 2W, the luminous efficiency is 118lm/W (the bonding temperature is about +40 to 50°C for continuous use).
Source: Japan? BP
Although the power consumption can be reduced, the initial cost of LED lighting is as high as 35 million yen, which is twice or more when using original lighting such as fluorescent lamps and incandescent lamps (about 13 to 15 million yen). However, the electricity cost can be saved by reducing the power consumption. In addition, it takes 13 hours per day and 240 days per year. It does not need to be replaced in about 16 years. Therefore, in the 14th year, the cumulative cost will be lower than that of using fluorescent lamps. Among the initial costs of LED lighting, the cost of white LEDs accounts for the majority. IDEC expects that in the future, if high-power white LEDs for lighting can be mass-produced, the cumulative cost will be much shorter than that of fluorescent lamps. According to the company's data, if the initial cost is reduced to about 1.3 times that of fluorescent lamps, the cumulative cost will be lower than the use of fluorescent lamps for about 4 years.
A total of about 11,000 white LEDs were used in the entire building.
The LED used in this lighting is the white LED "IDEC Sunshine" manufactured by IDEC Opto Device. It is also the most advanced product in the white LED called SA grade. The specification of the white LED is 285 lm when the input is 3.3 W, and the luminous efficiency is 86.4 lm/W (the color temperature is 6000 K, which is used continuously). A total of approximately 11,000 white LEDs were used throughout the building.
IDEC optics believes that the era of white LEDs can be used for general lighting, and it was released three years ago by DEC DEC Sunshine. Although the supply is increasing, the white LED market for lighting has not grown as originally expected. IDEC pointed out that one of the reasons is that there are too few examples of LED lighting, and it is not enough to verify the LED lighting effect. Therefore, the company plans to personally verify the effects of LED lighting through this new building. At the same time, the experience of using LEDs for lighting has been accumulated as a factory for practical technology.
Alternate use of 6000K and 3300K products
LED illuminators are available in a variety of models. For example, in the office, conference rooms and corridors, the use of "ãƒ" type lighting. A total of 20 white LEDs with a color temperature of 6000K and a warm white LED of 3300K were used alternately. According to the company, in this way, it is equivalent to about 4,500K white, which is good for human eyes. This LED lighting fixture consumes 66W, has a full beam of 4,300 lm, and has an overall efficiency (combined efficiency) of 65 lm/W including the power supply section. This lighting was produced and configured with 293 units. In the bedroom, the brightness around you is around 700lx.
The IDEC Sunshine used in this package integrates 27 small blue LED chips in a package that combines with the phosphor material to obtain white light. The LED chip is synthesized from Toyota, and then packaged by IDEC optical components. As a new generation of products, the company will supply 55 LED chips in a single chip in the summer of 2008. When inputting about 11W, a beam of 920lm (for continuous use) can be obtained, and when inputting 2W, the luminous efficiency is 118lm/W (the bonding temperature is about +40 to 50°C for continuous use).
Source: Japan? BP
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