Spotlights are typical headless lights, modern genre lighting of a fixed size, which can create an indoor lighting atmosphere. If a row of small spotlights is combined, the light can change into a wonderful pattern. Since the small spotlights can freely change the angle, the effect of the combined lighting is also ever-changing. The light lines are soft and graceful, and they can also be partially lit to enhance the atmosphere.
LED lights have a high directivity, and also paved the way for the advantages of LED spotlights. As a small range of high-intensity lighting fixtures, the convergence of light is essential, and LEDs can take advantage of their own advantages to further enhance the lighting effect.
With the rapid development of LED spotlight technology, the light efficiency continues to increase, the cost continues to decrease, and the application of LED spotlights has gradually begun to spread.
According to Lin Xincheng, general manager of Landwell China, "From the overall market point of view, the overall demand for LED spotlights is rising this year. The home improvement market is basically LED integrated spotlights. It is an LED spotlight that may partially replace the market and use conventional light source spotlights."
According to the statistics of the High-tech Research Institute LED Research Institute (GGII), the market size of China's LED spotlights in 2014 and 2015 was 9.4 billion and 13.3 billion yuan, respectively, with growth rates of 64% and 41%, respectively, and the growth momentum was rapid.
According to GGII analysts, this is mainly due to the rapid decline in the prices of raw materials such as LED chips, packaged products and power supplies, and the promotion of policies. As a result, LED lighting products are getting closer to traditional lighting products, and LED lighting products are rapidly becoming available. LED lighting The penetration accelerated, and the LED spotlight market achieved good development opportunities.
According to the data of the High-tech Research Institute LED Research Institute (GGII), in 2016, the price of LED chips and packaging products slowed down, and the penetration rate of LED lighting products slowed down, leading to the growth of LED lighting products such as LED spotlights. From high-speed growth to medium-high-speed growth, the growth rate of LED spotlights dropped to 25.6%, and the market size was 16.7 billion yuan.
The scale, growth rate and forecast of China's LED spotlight market in 2014-2020 (unit: 100 million yuan, %)
Source: Gaogong Research Institute LED Research Institute (GGII)
With the continued increase in LED penetration and the growth of the traditional spotlight replacement market, GGII expects that the growth rate of LED spotlights will remain at around 15%-25% in the next five years.
LED lights have not been able to replace the stumbling blocks of metal halide lamps
At present, LED spotlights are mainly based on replacing traditional tungsten halogen lamps. Compared with traditional lamps, LED spotlights have significant advantages in terms of energy saving and long life. But after so many years, LED spotlights have not completely replaced traditional tungsten halogen lamps. What is the reason?
In Lin Xincheng's view, it is mainly affected by three factors: first, the power is too small to reach the luminous flux of high-power ceramic metal halide lamps; second, color rendering; third, optical, high-center light Strong and small angles are difficult to achieve.
Zhang Bing, general manager of Chuangxiang Optoelectronics, also believes that "LED spotlights have not been able to completely replace metal halide lamps or light effects. Of course, with the maturity of flip-chip technology, can the flip-chip technology of spotlights solve the problem? Let us wait and see if the problem is replaced by a metal halide lamp."
In recent years, with the slowdown in e-commerce development, e-commerce giants have turned to deep integration of online and offline “new retail†through technologies such as big data and artificial intelligence. Compared to online shopping, the physical shopping experience that offline shopping can provide has its unique advantages, and lighting is an important part of it. Merchants who pay more attention to store lighting hope to attract consumers' attention through more brilliant lighting effects. In the past, the technology has limited the replacement of traditional ceramic metal halide lamps by LEDs in terms of light efficiency and heat dissipation, and delayed the promotion of LED applications in the field of commercial lighting.
LED Par30 spotlight - solve the heat problem
Indeed, in the field of commercial lighting, heat dissipation has always been a technical difficulty, and the heat dissipation performance of the product determines important parameters such as product life, reliability, and light decay.
In response to this problem, Philips Lighting released a new generation of high-brightness commercial LED PAR30 spotlights with a power of only 40W, a total lumen of up to 4500 lumens, and a color temperature of 3000K, which can replace 70W ceramic metal halide lamps.
Philips lighting next-generation high-brightness commercial LED PAR30 spotlight
It is understood that for better concentrating performance, LED spotlights need to use point light sources with smaller size and higher brightness, and the current COB chips in the world cannot meet this design requirement. Therefore, Philips Lighting deliberately customized the ceramic substrate COB chip, this industry-leading high-density COB chip light efficiency up to 150 lumens / watt.
Unlike the commercial PAR lamps designed by PC fans, Philips Lighting uses more reliable passive heat dissipation. The die-cast aluminum is embedded with pure aluminum plate, and its thermal conductivity is up to 226, which is 2.35 times that of die-cast aluminum, which effectively improves the heat dissipation of the product.
In addition, the side of the light source of the product is slightly higher than the lamp by 5mm, exposing the side heat dissipation holes, which is beneficial to the long-term stability of the chip and the drive. Taking into account safety factors, this series of PAR lamps has an intelligent feedback circuit. When the temperature of the lamp housing exceeds 90 °C, the over-temperature protection will be automatically activated, and the light output will drop gently, which can ensure the product does not die without affecting the user experience. Taking full account of the actual lighting environment in different seasons in different regions, over-temperature protection will not start at 35 degrees ambient temperature.
LED PAR30 spotlights - design selection and excellence
At present, LED spotlights are mainly used to replace traditional halogen tungsten spotlights. Due to the limitations of their shape and installation requirements, the design of LED spotlights faces many difficulties.
Thanks to excellent heat dissipation performance, Philips' new generation of commercial LED PAR30 spotlights boldly eliminates the front vents. The frameless design not only maximizes the illuminating area, but also integrates with the luminaires, reflecting the design aesthetics of Philips lighting.
Philips lighting next-generation high-brightness commercial LED PAR30 spotlight
At the same time, Philips Lighting has incorporated more ingenuity into the program, using Fresnel lenses. Compared with the reflector design, this new design can control the light more precisely and the concentrating is stronger. Another advantage of Fresnel lenses is their higher stability than traditional lens designs, which in turn leads to better optical control and better focus lighting through more precise illumination.
The family design style of Philips' new generation of commercial LED PAR30 spotlights is uniform and easy to replace. Users can choose different wattage, color temperature and angle products according to their lighting needs. Whether it is clothing, luggage accessories, department stores, or different retail environments such as baking, bathroom, car, etc., can meet different lighting applications, and help users improve retail efficiency.
The future development trend of LED spotlights
In the past 10 years, LEDs have undergone tremendous changes in color, brightness and power. In particular, the improvement in light efficiency and the decline in cost have made LED spotlights more and more popular in commercial lighting and in general households.
In the view of high-tech LEDs, LED spotlights have the advantage of being civilians, which are typical green lighting sources, reliable and durable, and extremely low maintenance costs. Just because LED spotlights have the characteristics that other solid light sources are still unmatched, the future will be the mainstream light source in the lighting industry.
The application scenarios of spotlights are wider, and different customer groups have different needs.
According to Lin Xincheng's analysis, for commercial users, LED spotlights require more power, higher center light intensity, better optical design, better light color consistency, and higher display. Color and more angles are optional; in terms of structure, LED spotlights need more appearance options to match their decorative style and more convenient installation and adjustment. For home users, LED spotlights are mainly better appearance, higher brand awareness, convenient installation, and higher cost performance.
"I think the future development trend of LED spotlights should be customized. The future world must be a beautiful world. The design should be more light and beautiful, and the lighting effects will be more diverse. Different places use different lights. To show it, innovation can be continuously strengthened." Zhang Bing told Gaogong LED.
In short, how to solve the heat dissipation problem of high power and high luminous flux LED spotlights, how to realize the modularity and interchangeability of LED spotlights, how to fully reflect the long life, high luminous efficiency and controllability of LEDs, so that ordinary people can enjoy Under the colorful lighting, LED products are more affordable, safer and more reliable.
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