Led Bright

LED lighting market formidable than any other application – PEM Fastener Supplier

LED lighting in the next few years will have explosive growth, the growth rate will be much higher than the other two mature application. It has the following characteristics: 1. Efficiency, the current LED luminous efficiency of 70% or more basically a; 2. Long life LED’s light the general life of the one hundred thousand hours or so, basically, a LED lighting can be 10 to 20 years or more; 3. low power consumption, a 200W of LED lighting and brightness far greater than the existing halogen lamps with power, and if with solar panels, micro wind power generation, long-life battery, Basically, you can create a separate long-life miniature green lighting; 4. spread the cost low, while a separate LED front lighting system investment very green, but if the power consumption, maintenance cost-sharing to count each and every day In fact, much lower than the existing lighting system. These characteristics are signals LED lighting in the next few years will gradually become the mainstream of the emerging green lighting.

    While LED lighting products in its infancy, but there are many foreign companies have invested heavily in this area, basically no technical barriers. This is reflected in: 1.LED luminous efficiency gains quickly, in two years time, a single LED luminous efficiency from 50% to 70% raise; 2. A single LED Power upgrading soon, 2 years monomer power from 0.5 W to 2 wadhi rose 3 watts to 5 watts; 3. complementary products is not a problem, LED driver, solar batteries, rechargeable batteries in recent years have very refined. The next few years there will be more and there perfect lighting solution, LED driver is only a small part.

    Feng Bao on LED lighting and backlighting will focus on two areas. LED backlight driver is now in addition to the program, the new introduced for low power (less than 100 watts) driving lighting program. Our small size LCD module backlight LED driver is a complete set of solutions, using high-performance 4-channel white LED drivers and other high-quality devices. This program has the following characteristics: 1. Power conversion efficiency up to 80%; 2. Operating voltage range, the 2.2V ~ 5.5V; 3. Circuits simpler than similar products, lower cost. In the low-power lighting, we have a complete LED driver switching power supply design program, which also has a lot of features: 1. In the input AC 95V over time, power conversion efficiency higher than 87%; 2. Wide range of AC voltage, 90V ~ 264V; 3. designed to be simple, circuit than similar products by 10% to 20% of the components, lower cost.

    Market segments that domestic distributors more in-depth knowledge of the market, while the market for LED support for different applications and efficiency will be greatly improved.

    Display, backlight and illumination of the driver is different. LED Display Drivers need to achieve through a large number of LED lights must be displayed by the corresponding graph, the function to transmit information, mainly by switching regulator with the main chip to achieve. LED backlight driver need to implement uniform LED brightness, stability, usually by providing constant current to the LED be achieved, such as the use of step-up DC / DC converter circuit to drive the series of LED. Of course, there are step-by charge pump drive to achieve, it needs to drive the LED IC controlled parallel between the current balance. LED lighting drivers need to be resolved output power and luminous flux, the second optical design, thermal design and power system design problems, this drive circuit is more complex and need to be considered is larger. LED driver according to different functions implemented in the development of the solution will be quite different.

    Driver IC used in different ways just drive a different drive functions in order to achieve it, there is no comparability between them. Switching regulator suitable for LED displays and LED lighting, charge pump and the constant current source suitable for LED backlight, low dropout voltage regulator suitable for portable LED lighting. Used in MCM or SoC products will be a large-scale systems (such as large screen LED display), the general sense of lighting and backlight LED drivers are not these two products.

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