Is the LED light really saving power? The advantages and disadvantages of LED lights are compared!

by:Leimove     2018-12-29

Keyword: LED light

Original title: Does the LED light really save power? LED lamp advantages and disadvantages contrast!

With the enhancement of people's awareness of environmental protection, the lighting source in home life is gradually replaced by LED. LED is a kind of semiconductor solid-state light-emitting device, which has the characteristics of environmental protection, long life, small size and energy saving. It is called green light source. Does the LED light really save power? Let's take a look at the advantages and disadvantages of LED lights together with 'Future Home Improvement Network'!

First, LED introduction

LED is a light-emitting diode that uses a solid semiconductor chip as a light-emitting material. In the semiconductor, a carrier is combined to emit excess energy to cause photon emission, and red, yellow, blue, green, cyan, orange, purple, and white light are directly emitted. . LED lighting products are lighting fixtures that use LEDs as light sources. The application of semiconductor materials in the field of lighting technology is mainly LED lighting technology, and LED is a rapidly emerging semiconductor light emitting device in recent years.

Second, the advantages

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

Long life: LED light source is a solid cold light source, which is encapsulated by epoxy resin. There is no loose part in the lamp body. There are no shortcomings such as filament light-emitting, heat deposition, light decay, etc. The service life can reach 60,000 to 100,000 hours. It is more than 10 times the life of traditional light sources.

Variety: LED light source uses the principle of red, green and basket. Under the control of computer technology, the three colors have 256 levels of gray and can be mixed arbitrarily, which can produce 256×256×256=16777216 colors, forming different light colors. The combination is varied, enabling a variety of dynamic changes and a variety of images.

Environmental protection: no heat, no radiation, small glare, waste can be recycled, no pollution, no mercury, safe to touch, is a green lighting source.

High-tech tip: LED light source is a low-voltage microelectronic product that combines computer technology, network communication technology, image processing technology, embedded control technology, etc. It has online programming, unlimited upgrade, and flexible features.

Third, shortcomings

Higher temperature will work for a longer period of time, which will cause LED to decay. LED is actually a semiconductor PN junction. It will be different due to different manufacturers, equipment models and incoming batches, which will cause a considerable part of LEDs to work in normal operation. Point. In order to obtain high power, multiple parallel use is required, and the price of a single high-power LED is very expensive, thereby causing the current LED price to be higher than the price of the incandescent lamp. The color rendering index is low, and the color displayed under LED illumination is not as true as incandescent lamps. Go back to Sohu and see more


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