LED lights really save electricity?

LED lights really save electricity?

With the enhancement of people's awareness of environmental protection, the lighting source in home life is gradually replaced by LED, LED is a semiconductor solid light-emitting device, with environmental protection, long life, small size, energy saving and other characteristics, known as the green light source. That LED lights really save electricity? Here and take a look at the advantages and disadvantages of LED lights comparison!

LED light advantages and disadvantages of comparison

A, LED introduction

LED is a light-emitting diode, the use of solid semiconductor chips as a light-emitting material, in the semiconductor through the carrier complex release of excess energy caused by photon emission, directly emitting red, yellow, blue, green, cyan, orange, purple, white light. LED lighting products is the use of LED as a light source manufactured lighting fixtures. The application of semiconductor materials in the field of lighting technology is mainly LED lighting technology, LED is the rapid rise of semiconductor light-emitting devices in recent years.

Second, the advantages

Energy saving: DC drive, ultra-low power consumption (single tube 0.03-0.06 watts) electric and optical power conversion close to 100%, the same lighting effect than the traditional light source energy saving more than 80%.

Long life: LED light source is a solid cold light source, using epoxy resin package, there is no loose part of the lamp body, there is no filament luminous easy to burn, thermal deposition, light decay and other shortcomings, the service life of up to 60,000 to 100,000 hours, is more than 10 times the life of the traditional light source.

Variable: LED light source using the principle of red, green, basket three primary colors, under the control of computer technology to make three colors with 256 levels of gray and arbitrary mixing, can produce 256 × 256 × 256 = 16777216 kinds of colors, the formation of different combinations of light colors change endlessly, to achieve a variety of dynamic changes in the effect and a variety of images.

Environmental protection: no heat no radiation, glare is small, waste can be recycled, no pollution does not contain mercury elements, safe to touch, is a green lighting source.

High-tech: LED light source is a low-voltage microelectronics products, integration of computer technology, network communication technology, image processing technology, embedded control technology, etc., with online programming, unlimited upgrades, flexible and versatile features.

Third, the disadvantages

Higher temperature working for a longer period of time will cause LED light decay, LED is actually a semiconductor PN junction, which varies depending on the manufacturer, equipment model, and incoming batches, which can lead to a significant portion of the LED can not work at the normal operating point. In order to obtain high power, the need for multiple parallel use, a single high-power LED prices are very expensive, resulting in the current stage of LED prices higher than the price of incandescent lamps. Low color rendering index, the color shown under the LED irradiation is not incandescent true.
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