LEDs are widely used in the lighting industry, and they can be seen in all major lighting projects. However, with the large-scale use, many problems have surfaced. How to use LEDs has become a concern of the industry.
As a newcomer to the lighting industry, LED has been greatly promoted in the Chinese market, especially in large-scale lighting projects. At the Beijing Olympic Games, the Shanghai World Expo, the Guangzhou Asian Games, and the large-scale grand events held in China, the brilliant brilliance of LEDs is still fresh in memory. Out of optimistic LED's beautification of the city's night scene, more and more engineering companies and companies are beginning to adopt LED.
The city's night scenes are gradually being illuminated. However, the problems are also coming one after another: LED lighting fixtures have uneven lighting effects, lighting effects, glare pollution, and so on. The results are very different from expectations. Many owners are caught off guard: this is not the LED I want!
For the failure cases from many parties, Mr. Wang Shuai, the designer of Shenzhen Future Lighting Design Studio, analyzed: LED is a double-edged sword in the lighting industry. To make LEDs work, scientific and reasonable lighting design is the key:
First of all, not all lighting must use LEDs
At present, there are 1950 LED companies in China, but due to restrictions on upstream chip technology by lighting giants such as Philips and Osram , domestic manufacturers are mostly engaged in LED post-production processing. Imported LED chips are expensive, and the chips produced by local manufacturers are uneven. As a result, there are great quality hazards in LED lamps on the market.
In addition to its own quality problems, LEDs do not form industry standards, and control methods vary. Many products use proprietary brand control protocols, resulting in poor compatibility. Although most products are compatible with the DMX512 control protocol, the control of large-area, high-power LED lamps is still not flexible enough. The difference in production process leads to possible color difference between the same brand model, the same production line, and the same batch of products. Compared with traditional lamps, LEDs have a higher probability of this phenomenon.
Designers must consider whether LEDs must be used according to the situation, and cannot pursue new technologies blindly, and evade their shortcomings. It turns out that some places use traditional lamps to be more stable and reliable. Where the LED must be used, it is necessary to select the appropriate product according to the actual situation, and comprehensively consider various factors such as product performance and working environment.
Second, rational design of color, dynamic lighting
Nowadays, on the streets, many buildings are passively armed with LEDs and claws. In order to pursue dazzling and dazzling effects, many lighting projects are beyond the scope of lighting. Excessively complex and gorgeous lighting has not made it an iconic night scene. Instead, it has become a landmark night scene. Increased the “light pollution†of the city.
As a professional accountant who specializes in shaping “noble landmarks†in the industry, I see that the reply to this phenomenon is only: my LED is not messy. He said that LEDs are single-wavelength light sources that emit light of any wavelength, that is, light of different colors, which can be mixed with multiple light sources, which is superior to traditional lamps in terms of effect landscaping. Moreover, the LED is easy to adjust the brightness and darkness. Under normal circumstances, 8-level dimming is adopted, and frequent switching and dimming basically do not affect the service life. Traditional light sources are difficult to achieve, and even implementation will affect life. Therefore, when it comes to visual effects, designers like to use LED lighting. In order to highlight the features, Daxie uses dynamic lighting, lest you can't achieve the eye-catching effect of flashing, bright and dazzling in the light ocean.
Often, a good lighting project requires not only visual beauty, but also the cultural connotation of the building. According to the project type, space environment and other factors, designers should carefully use color and dynamic lighting effects. Sometimes the monochrome and static lighting effects are more graded. If you must use color and dynamic lighting effects, you should use the appropriate lighting color in combination with the material and color of the space to avoid the practice of changing all colors. When the dynamic changes, it is also a combination of dynamic and static. It is not possible to use rapid and high-frequency changes, and use softer changes as much as possible to avoid visual fatigue for long-term viewing. Gorgeous high-profile is not necessarily the best, but low-key and gorgeous is even more impressive. The lighting design of the Chanel flagship store in Ginza, Tokyo is a good case. At first, the designer found that the Ginza building was brighter than a building, and the "brighter" was obviously not in line with Chanel's luxurious and stable brand image. So they decided to adopt the idea that 'everyone is bright, I am dark,' and discard the bright colors of LEDs, only black and white. At night, the LED will create a classic Chanel double C pattern, Chanel classic lines, new ideas and so on. In the eyes of tourists, Ginza is very bright, but this building is very dark; other buildings are dynamic and flashy, this building is gentle and classic. Once again, mastering LED performance will be more energy efficient and durable.
In theory, the luminous efficacy of LEDs reaches 100,000 hours, while conventional light sources generally do not exceed 10,000 hours. Traditional lamps can be refurbished to compete with LEDs, and low-power LEDs do not exceed 0.1W per power. Therefore, even if there is an expensive price, many owners still choose to use LED lamps.
In fact, mastering the physical characteristics of LEDs not only enjoys its long life, but also saves power and performance.
In all previous cases, the future lighting tailored a professional lighting system for each customer, creating a perfect night scene effect, while the post-maintenance and monitoring process is no longer cumbersome. At the time of design, the future lighting professional team will reserve for long-term use based on factors such as light source's light decay, color difference and lighting accessories. For example, a 30W luminaire can achieve lighting effects. A 40W luminaire can be considered, and the dimming control is used to properly adjust the brightness. When the luminaire fails, it is adjusted to normal brightness. In the selection of lighting accessories, the future lighting will also be carefully matched for customers and strive for perfection.
In this era of comparison, the LEDs around the building are not a symbol of identity. The LED is a seed that is enriched with scientific and technological content. Through the designer's whimsy and careful cultivation, it can bloom the art and culture.
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