With the economic development, China's lighting power consumption will be greatly improved, and the research and application of green energy-saving lighting will be paid more and more attention. As a cold light source product, solar LED lighting fixture has the characteristics of high cost performance, environmental protection, safety and reliability, stable quality, long service life, easy installation and maintenance, etc. It can be widely used in green space lighting, highway lighting, advertising light box lighting, urban modeling landscape. Lighting and home lighting systems, but the high investment in solar LED lighting is a bottleneck.
At present, lighting consumption accounts for about 20% of the total power consumption. Reducing lighting power is an important way to save energy. In order to achieve this goal, the industry has researched and developed a variety of energy-saving lighting fixtures, and achieved certain results. However, the requirements for green lighting are still far away, and it is imperative to develop and apply new light sources that are more efficient, reliable, safe and durable.
By the end of 2006, China's renewable energy utilization totaled 200 million tons of standard coal (excluding the traditional use of biomass energy), accounting for about 0.5 percentage points, achieving renewable energy accounted for 10% of the country's total primary energy consumption in 2010. The goal has taken a solid step. At present, China is promoting the development of the domestic market of photovoltaic power generation from the following aspects: First, start power transmission to village projects; Second, use photovoltaic power generation in special projects, such as World Expo, Olympic Games, etc.; Third, build photovoltaic in desert areas Power station; Fourth, mobilize some cities to start the roof plan; Fifth, study and develop electricity price policy to improve the competitiveness of photovoltaic power generation (90% of PV products exports and the lack of domestic market, may limit the long-term development of the mainland PV industry. Once the foreign photovoltaic industry There have been changes in policies or measures to restrict imports to protect domestic industries. In recent years, a large number of PV projects in the mainland will face difficulties.
LEDs are widely used in weak currents such as signal indication and digital display with low power consumption and exceptional service life. However, due to the small opening angle of the traditional LED light source, the brightness of the spot area is high, the scattering of light has a strong directivity, the light source is easy to form a light spot, and the light uniformity is not good, which hampers its application in the field of illumination.
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