LED lighting technology used to be low in light efficiency, so coupled with a variety of heat-dissipating materials and even heat sinks, the cost of its LED lighting solutions has risen sharply, the volume is too bloated due to heat-dissipating equipment, and is ridiculous and useless. Waste. But as the saying goes, the women's big eighteen changes, every eighteen months of change Moore's Law, also affects LED semiconductor lighting. According to the data of the “2014-2011 China LED Industry Market and Investment Strategic Planning Analysis Report†released by the Industrial Research Institute, the LED chip light efficiency is increased by 20-25 per year. If the price remains unchanged, LED chip gross margin is improving, so it is expected that LED chips may have a double shipment and gross margin in 2014. It is predicted that the market scale of China's LED chips will maintain an average growth rate of 11.85 per year from 2014 to 2020. In 2020, the demand for LED chips in China will be nearly 17.5 billion yuan. LED light efficiency exceeds 300lm/W American company Carey (Nasdaq: CREE) announced that the white light power LED laboratory light efficiency reached 303lm/W, which is another iconic research and development result of Cree following the release of 276lm/W last year. In the current context of pursuing higher heat dissipation, two LED light sources of 100LM/W and 300LM/W are also used. If you want to achieve the same light output, the heat sink of the LED light source with 300lm/W light efficiency. It can be reduced more, and the total weight of the entire luminaire will be more lightweight. High light efficiency brings lighting solutions with smaller lighting products, giving LED lighting design more flexibility than its traditional lighting, helping lighting designers to break through the limitations of their original thinking and open up design ideas to bring more updated applications. . LED road lighting effect and concentration of light are usually the same. The most important criterion for evaluating street lamps is their light efficiency. In the bidding for related lighting engineering renovation, the level of light efficiency has also become an important factor affecting the success of street lamps enterprises. The quality of the street lamp mainly depends on the light effect. Generally speaking, it is for the testing mechanism. However, the level of light effect is not directly related to the quality of the street lamp. Your light effect is very good, but if your light is scattered, it will not be on the road. That's no use. It's the key to get the spotlight and really shine on the road. Reflections on low-cost lighting products by light effects Some low-priced LEDs sold by some businesses now, in order to reduce the use rate of chips in order to reduce the cost, and to increase the current in order to maintain brightness, consumers have to pay more for such high-current LEDs. At the same time as the electricity bill, the large current generates extra heat but only uses cheap heat-dissipating materials to perfuse things. The material degradation, aging, light decay problems, etc. under high temperature, we think about it again, the problems encountered by this low-cost LED lamps can be imagined. A really good LED product should be to achieve the best lumen efficiency (lm / W) of the LED chip, the best photoelectric conversion efficiency is the right way, which is the social responsibility and correct guidance of the LED industry to let the LED lighting products popular.
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