The LED lighting market has gradually developed after the LED light source efficiency has been greatly improved. Once the cost and light efficiency can replace the traditional lamps, the scale will be immeasurable, so it is also a market that people have high hopes. The overall global lighting market in 2011 was $110 billion and is expected to reach $137 billion by 2015. Once the cost and light efficiency of the LED lighting market can replace traditional lamps, the scale will be immeasurable.
LED main performance light effect is still showing continuous growth Compared with other traditional light sources, the technical performance of LED has been growing, and the main performance light effect of LED is still growing. Currently under laboratory conditions, the US company Cree White Light LED Lab has exceeded 231 lumens per watt (350mA current drive), breaking the industry's highest light efficiency record; another major manufacturer, Nichia, announced that it is driven by 20mA current. LED luminous efficiency can reach 249 lumens / watt.
In the commercial product segment, Cree has begun to sell LED products with a luminous efficiency of 160 lumens per watt in the market, and Nichia has also launched LEDs for high-power lighting with luminous efficiency of 133 lumens per watt, and plans to be in 2012. In the year, the luminous efficiency of commercial white light is increased to 150 lm/W. Driven by the rising LED light efficiency, the application of the entire lighting effect has also made great progress. According to the US Energy Administration, the luminous efficiency of commercial white LED modules in 2015 can reach 215 lumens / watt, and the warm light portion can also have a chance to achieve 184 lumens / watt.
According to the calculations of the US Energy Administration, the overall efficiency of LED lighting fixtures in 2015 will reach 172 lumens/watt, which is no problem to replace general lighting. In addition, various countries have banned the sale and use of high-energy incandescent bulbs, and promoted high-efficiency energy-saving lighting products. It is inevitable that LED lighting will enter the mainstream mass market.
LED lighting product cost trend LED application market will become explosive growth According to the US Department of Energy's Pacific Northwest National Laboratory report, the average cost of LED lamps has dropped to 63 US dollars / thousand lumens, and LED prices are still falling rapidly every year. LED lighting is growing rapidly. At present, the annual price drop of LED is about 25-40, and the price of components such as electronics, mechanism and heat dissipation is declining. The LED price of LED lighting products is getting closer to the public lighting market.
According to the data released by the Top Industrial Research Institute in May 2010, the demand for white LED bulbs will rapidly expand market share with the incentive policies of governments and manufacturers to reduce production costs. Due to the price decline, 2013 It will detonate market opportunities.
From the perspective of LED lighting cost from the Optoelectronics Technology Industry Association (PIDA), it is expected that between 2012 and 2013, LED lighting will have the ability to compete with traditional light sources in cost, and the LED application market will explode.
Cost analysis of LED bulbs At present, the mainstream products in the lighting market are 5-7W and 9-12W bulbs. Here, 7W LED bulbs are used as an example. The price we surveyed in the sales area in Shenzhen, China is 14.98. The US dollar (Taiwan-funded chip, land-based package), first assume that the dealer's profit is 15 ($2.25), and its structural cost is $12.73. After investigation and understanding, LED light source cost is about 37.7, structural parts account for 18.5, and power supply accounts for 21.7. These three parts account for cost, and there is still room for reduction in light source and power supply costs.
LED light source (chip, package) market price in the third quarter of 2011 is about 0.92-0.45 US dollars, the average value is 0.68 US dollars / per calculation, 7W products need a total of 7 pieces, that is, the LED light source part is 4.8 The dollar accounts for about 37.7 of the structural cost. The main part of the structure, including: heat sink parts, connectors, spheres and other components, the price cost is 1.46 US dollars, 0.58 US dollars and 0.68 US dollars, respectively, accounting for 18.5. The power supply is considered to be the current development of LED lighting products. A slow link, whether quality or price, needs to be upgraded and reduced. The power supply accounts for about 21.7 yuan of structure cost, which is about 2.76 US dollars. This is also the part to be strengthened. The reasonable range should be below 10.
LED street lamp cost analysis The main components of the LED street lamp are composed of LED light source, lamp housing, power supply, and other accessories. The 160W street lamp that is commonly used on the market is used as the cost analysis framework. The sales and inspection of LED street lamps in Shenzhen The price is 361 US dollars (excluding the lamp handle), usually LED street lights will be less common in the distribution point, the dealer's profit value is about 10, plus the profit of the lighting factory 15 up and down, converted to the actual LED street light structure cost It is about $290.
LED light source part: Due to the current LED market segment is too large, the manufacturer's light source price with brand awareness is about 0.4-0.6 US dollars, taking the average value of 0.68 US dollars, 160W total needs 108 US dollars, accounting for about 40 of the total cost. In fact, part of the LED light source will continue to bottom down. We believe that the reasonable price of LED light source in 1-2 years should account for 20-25 of the cost of street lamp structure. Under the condition of not considering other parts and reducing price at the same time, the price range is about 54-67.5 US dollars, which is the cost price of single LED. About 0.31-0.42, the price must be reduced by 45-60.
Street lamp housing: The price is very messy, because there are many manufacturers, it is difficult to get an average. However, there is still a certain pattern for the price of the lamp housing. Because it has the function of heat dissipation, the pricing principle is based on the actual street lamp power and wattage. The 160W street lamp product is taken as an example. It is about $63.7, which accounts for about 23.
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