LED lighting: the history of the maximum efficiency and minimum price steps away

The near future, probably led to white 200lm / W, became the most efficient light source, the price will be lower than fluorescent lights, almost equal to incandescent bulbs. Any device, anywhere can use LED lighting in the coming era.
By March 11, 2011 a major earthquake and tsunami, Japan's Kanto region and the northeast region into a serious power shortage in the state. To fill the gap in nuclear power plant outages, the need for new power generation equipment increasing, and control power consumption has become a priority.
In this case, to achieve energy-saving effect can be immediate "LED lighting" attention. Lighting electricity consumption in Japan, accounting for about 2 percent. The LED technology is the use of energy-efficient LED lighting, reducing electricity consumption.
LED of the active also in the figures. For example, GfK Marketing Services Japan released data show that after mid-March 2011, LED light bulb sales in Japan increased rapidly. To the second week of April, LED light bulbs in all light bulbs in the number of percentage share of 27.1%, the amount ratio of 67.0%, have hit a record high. Especially in the face of power shortages Kanto Koshinetsu region, sales of the week increased 182.1% over the previous year, far higher than the national average increase of 120.4%.
Corporate use of LED lighting is also very active in the action. For example, the chain of 7-11 convenience stores in Japan's decision to start from May 2011, the Tokyo Electric Power Company area as the center, to about 5,000 shops and stores in-store signage lighting gradually replaced with LED.
"Sales is three to four times the previous year."
LED lighting technology is not new now. Not just in Japan, other countries are actively used. This is because the white LED lighting with LED life over 40,000 hours, or about four times as fluorescent, replacing the lower frequency, but also has lower power consumption than fluorescent lamps 10 to 40% advantage.
In Japan, in April 2010 in response to the implementation of the "Energy Act" revised edition, with more and more LED lighting business. LED white LED lighting business shipments increased sharply, Citizen Electronics, said, "shipments in 2010 increased 3 to 4 times the previous year."
LED-based white LED prosperity due to lower prices. In the past, prices have been higher than the white LED incandescent bulbs and fluorescent lamps and other traditional sources. In the street and some use white LED lighting in 2005, the unit price 1lm luminous flux (brightness of the unit price) is about 10 yen / lm. Than incandescent bulbs 0.1 to 0.2 yen / lm, fluorescent 0.3 to 0.6 yen / lm is not an order of magnitude. However, the brightness of white LED unit is more than 30% per year rate of decline into 2011, the industry-wide average has dropped to about 0.7 yen / lm. Provided to large customers the price is only 0.4 ~ 0.5 yen / lm, encroaching upon the fluorescent
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