To catch up with the green trains of energy conservation and environmental protection, LEDs have entered the lighting industry to shine in the world. LED manufacturers have high hopes for the development potential of lighting applications, and look forward to driving the dream of LEDs to the trillions of industries. However, although countries around the world have successively formulated environmentally-friendly and energy-saving lighting policies, it is expected that the incandescent bulbs will be banned or replaced in 2010~2012, but incandescent lamps entering history may not guarantee that LEDs will be replaced immediately. Before the advent of LED lighting era, traditional lamps There are still many respectable opponents in the source, and the main force of indoor lighting is still difficult to change between generations.
LED started from the semiconductor manufacturing process and was hailed as the bright industrial revolution of the 21st century. In fact, in the era of lighting reform, not every light source is replaced by LED. In recent years, LED luminous efficiency has been progressing rapidly, but the current cost is generally too high, resulting in LED lighting products still unable to enter the general household lighting. The industry believes that LED will preferentially cut into commercial lighting that is not sensitive to price, and its environmental protection is mercury-free. The long life and the light-pointing design make it easy to get a black horse.
But even in the field of commercial lighting, does LED's advantage have enough driving force to conquer the traditional lighting application market? I am afraid there are doubts. The LED industry always likes to emphasize the advantages of LED environmental protection, but it is still tending to be light and short fluorescent tubes. It is the mainstream of commercial office lighting. In particular, the T5 high-efficiency ultra-fine fluorescent tube has high luminous efficiency, and the color rendering is up to Ra85, and the light output is stable. The light output is still 91% when the light output is 10,000 hours. Conversely, the light decay is difficult for the LED to compete. Disadvantages; in addition, the diameter of the T5 lamp is reduced from the existing T9 (29mm) to T5 (16mm), which can also achieve the effect of reducing environmental pollution. Therefore, the lighting manufacturer GE believes that the high color rendering T5 fluorescent lamp is In the next 10 years, it will still be the main force of indoor lighting, LED has a catch-up distance.
Another lighting manufacturer, Philips, believes that the LED lighting market is just getting started, but the energy-saving bulbs are the direct beneficiaries of the energy-saving trend. Philips predicts that according to the current production capacity of energy-saving bulbs, the world will supply in two to three years. Saturated, if it does not continue to expand production, capacity will not be enough to supply the market after 4 years.
As for the key lighting areas that LED manufacturers intend to capture, they may not be able to successfully receive the traditional halogen lamp market. For example, traditional ceramic lamps are designed and manufactured with ceramic materials. The color rendering of the light source is Ra80~90, and the color temperature stability is good. The small wattage ceramic composite metal lamp consumes 50% of the halogen lamp and has an average life of 4 times. After matching with the high-performance electronic ballast, it can not only achieve the lighting quality, but also consider the energy saving. It can be said that it is a traditional halogen. An intermediate product between the lamp and the new LED light source.
GE recently analyzed the world's largest chain of furniture stores, replacing 2,700 50-halogen bulbs with 1,500 20-watt ceramic metal lamps, saving 118 kW of bulbs per hour, plus air-conditioning power, saving electricity every year. About 600,000 yuan, can reduce carbon dioxide emissions by 250 tons per year to reduce the greenhouse effect. From this point of view, who said that the green energy-saving appeal can only be dominated by LED?
However, LED lighting is not without opportunities. After all, the specifications and market of traditional light sources have already been settled, but LED lighting is still unclear. It is a challenge and an opportunity to turn over. In the field of commercial lighting, LEDs can use their color diversity. And the characteristics of the directional light source, in the merchandise display, decorative lighting, exterior billboard lighting, etc., to escape the limitations of traditional lamps, the use of long, self-help short is the most practical practice.
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