New concept of LED modular design
Light-emitting diode (Light EmitTIng Diode; LED) is a tiny solid-state (Solid-State) light source, its main basic performance and properties have been widely known, including a small specific volume, power saving, long life, no glass, mercury Or other toxic gas solid-state lighting technology, with various emerging application needs, is already a light source everywhere in daily life. For example: road signal lights, traditional 150-watt incandescent bulbs have been replaced by LED lamps with a power consumption of only 12 watts, which not only reduces maintenance and maintenance costs, but also greatly reduces their power consumption, which has a huge impact on the entire energy market. There are very obvious benefits. On the other hand, with the advent of white LEDs, the luminous efficiency has improved year by year, the color rendering performance and color temperature performance have been gradually improved, and the price has been reduced, which has made the LED lighting application field wider. Under the issues of energy saving and environmental protection, LED industry This kind of luminous performance, constantly investing in research and development energy, and vigorously promote the lighting application level and break through the current traditional lighting usage habits.
However, since LEDs are low-voltage, low-current driving components, the primary problem is how to provide a high-efficiency voltage conversion method. Whether it is a handheld device, automotive, lighting, display and other applications require a high-efficiency buck or boost regulator; in addition, the thermal energy generated by the LED must also be minimized. At present, many IC manufacturers around the world have begun to provide various optional LED drivers to the industry to meet the operating voltage requirements, thus accelerating the popularity of LED applications.
As an alternative to fluorescent lamps, LEDs are becoming more and more likely to be the next generation of lighting sources. Leaving aside the above-mentioned LED price factors and LED attenuation issues, the existing technical framework is still around High Power, which is expensive, has a short life, and is not easy to dissipate LED and other applications.
Therefore, this method and application will not be elaborated. It is understood that there are currently other solutions developed by manufacturers in Taiwan that can respond to many undesirable factors of High Power LED. This is the first module developed by Uter Technology Design concept. The modular concept designed by Youtel has the following characteristics:
1. Large-area lighting is composed of modular connected LED lighting devices.
2. The power supply is a switch-type power supply, which can be connected in series and parallel, which is suitable for voltages of various countries.
3. The LED is LAMP 5Φ white light, which can improve the heat dissipation efficiency.
4. Use LED DRIVER to improve luminous efficiency.
5. Each module has its own AC power supply.
In addition, the R & D technicians of Uter said that once the LED modular design is introduced, the demand for unlimited expansion of the lighting range can be obtained, and the power supply of each module is a switched power supply, which can also meet the power supply of countries around the world, and the power consumption is low , Not hot, long LED life and many other advantages. 
â–² Circuit design block diagram, circuit series connection, circuit series (parallel) connection.
Jufan's current technological developments today, the biggest premise of manufacturing is the requirement of green environmental protection. Because of this, LED lighting equipment has become a new hope for the future lighting market. LED lighting equipment with many advantages seems to mean The author will replace traditional lighting products. In the past, it may be because of the high price of LED, the characteristics of use, and the monopoly of patent rights that caused a slight delay in the promotion progress.
In recent years, such as: Nichia Chemical, Cree and LED manufacturers of various countries have mutually authorized the use of patents, replacing the previous monopoly blockade by competitive cooperation, the mass production capacity of LEDs in various countries has been greatly improved, causing LED prices to decline rapidly; With the advent of LEDs, their luminous efficiency potential is better. Once the LED breaks through the threshold of the lighting source, it reaches the basic conditions of luminous efficiency of 100Lm / W, cost reduction to US $ 10 / kLm and stable mass production. Based on the current development status, the industry is optimistic that LED will start to replace incandescent lighting in 2007 and make LED enter the next generation of lighting market. Just like the contribution of fluorescent lamps and HID lamps to lighting and energy saving in the past 10 years, the LED lighting era will also provide better energy saving benefits and a completely different lighting concept from the past.
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