White Led Lights
White Led Lights
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US $16.56
LED lighting market will be how to develop and change?
How will develop? What the market will usher in change? In June 2006 7 to 8 by the "Nikkei Electronic "And" Nikkei Micro Devices, "jointly organized by magazine" LED Technology Symposium 2006 "on the day the United States and Europe LED manufacturers report the latest technology trends, Japan's Nomura Research Institute report on market trends.
By reducing internal Resistance Achieved 100lm / W LED efficiency
Nichia Chemical Industries, introduced by the end of June 2006 will start the supply of samples before and after the light efficiency 100lm / W white LED outline and direction for future development. The company that is able to achieve 100lm / W in luminous efficiency, a very important reason is that, on the use of blue with a white LED chip LED epitaxial layer and the electrode structure was improved, the forward voltage drop of about 3V, reduced than in the past 15 to 20%. In other words, the resistance of chip components is reduced, power consumption reduced. The upcoming 100lm / W products are standard in the 20mA input current use of the species. Will further improve the luminous efficiency, while by increasing the input current, gradually increase the beam of each package. Although obtained 100lm / W in luminous efficiency, but at present, there are 68% of input power wasted as heat loss, the current goal is to reduce this heat loss by half.
Nichia introduced in his village in Nepal Pachauri Library (transliteration) use white LED as a lighting examples. No electricity in this village in the past have been relying on candles and oil lamps. Tokushima, Japan, NPO groups to all 250 residents of the village, provided by the Solar cells And the composition of the white LED lighting. White LED lighting is difficult at this stage in terms of cost to replace fluorescent and incandescent. But in developing countries such as underdeveloped infrastructure in the area, and have actually able to use as the main lighting.
At least have to be light-emitting efficiency and the input current to 3-fold, respectively, the price of a white LED to 1 / 3
Philips LumiledsLighting companies introduced a white LED for lighting applications will be faced by topic. 1 U.S. dollar from the beam can be compared to incandescent lamps for the 2000 ~ 4000lm / USD, fluorescent to 1600lm / USD, while the luminous efficiency of 50lm / W white LED current is only 20 ~ 60lm / USD. At least have to be light-emitting efficiency and input power was increased to 3 times the price of the white LED to 1 / 3, otherwise the opponent is not fluorescent. To the white LED for the family and the office of the main lighting, to achieve new breakthroughs. For example, the need for external quantum efficiency and internal quantum efficiencies were 85% and 100%, so that positive voltage is about 2.9V in order to increase the luminous efficiency of 150lm / W. External quantum efficiency and the positive voltage level in the R & D has been confirmed, and the internal quantum efficiency of long wavelength GaAs-based LED has already yielded tangible results, so the above specifications can not achieve.
OSRAM light Semiconductor Company (OSRAM Opto SemiconductorsGmbH) lens and other optical components by embedded LED module, introduced the use of LED lighting used in various instances. For example, the LED chip module packaging to meet the goal of embedding point angle lens. A variety of lenses can be directly mounted to the module, so the company pointed out that another advantage is that almost no deviation from the optical axis. Cree
U.S. companies reported a high-power blue LED chips "EZR" such as product development situation. As the input power to 20mA varieties, optical power in 2006 has been increased to 2005 30mW 35mW, 2007 is expected to grow further increased to 40mW, maintaining an upward trend. The company said the end of 2006 will be able to supply 33mW ~ 36mW species. Input current of 350mA species, the optical power in 2005 as 300mW, 2006 will reach 360mW, 2007 will be increased to 400mW. If the optical power to achieve 360mW, with fluorescent material with, will be able to get 100lm / W in luminous efficiency.
Use LED equivalent to 50kg ~ 100kg of weight loss
Toyota Synthesis presented in Automotive Lighting LED effect when applied. For example, LED's, after the recent combination of light gradually spread application contributed to lower power consumption. In the past, after the combined power of 21W lamps have been using incandescent light bulbs. The power of 2W LED is only one species can be. LED light is not only efficient, but also to get the required wavelength. For the larger incandescent light spectrum, the wavelengths of light in order to get the required output rather increase the input power, no use of other wavelengths of light will also increase.
The car body weight by reducing energy consumption can be controlled. However, in order to get through the weight loss after the combination with the use of LED lights when the same type of energy saving effect, you must reduce the body weight of 50kg ~ 100kg.
2010, the white LED market will be the driving force for more than 10 inches LCD panel Backlight
Nomura Research Institute released a white LED market by 2010 prediction. According to reports, the white LED market will reach an annual average growth rate of 10.5% estimated in 2010 to more than 300 billion yen. However, after accounting for 80% of the market Mobile Area, regardless of size or market share of the market will shrink. It is estimated that more than 10 inches with the liquid crystal panel with LED backlight market continues to expand, the share of the market will reach about 40%, more than cell phone use LED market.
White LED use is expanding, while the white LED market to promote the continuous development of equipment is also changing, in this situation lead to the development of new uses manufacturers of white LED's position in the market will be growing. Therefore, strengthening cooperation with the product manufacturers, and the LED strategic alliances between competitors will be more important. The Institute believes that with the middle size LCD panel makers are very close over the South Korea and Taiwan LED maker's market position is likely to be strengthened. [Key words]: LED Illumination Comment Large In Small
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