12 great unique advantages of LED lighting technology

(A) Energy-saving: LED spectrum almost entirely concentrated in the visible light spectrum, the luminous efficiency of up to 80-90% The author also with ordinary incandescent led outdoor lighting wholesale, spiral energy saving lamps and T5 fluorescent trichromatic do some comparison, results. showed that: ordinary incandescent light efficiency of 12lm / w, life expectancy is less than 2000 hours, the luminous efficiency of 60lm Spiral energy saving lamps / w, less than 8000 hours life, T5 fluorescent lamp was 96Alm / w, life is about 10,000 hours, and the diameter of 5 mm for the white LED 20-28lm / w, can be greater than 100,000 hours life. It was also predicted that the future of LED lifetime limit will be infinite.

It is generally believed that energy-saving lamps can save energy 4/5 is a great initiative, but also energy-saving LED energy saving lamp than 1/4, which is greater reform solid light. In addition, LED also has other advantages, high quality light, essentially no radiation, is typical of the green lighting;. reliable and durable, very low maintenance costs, and so on Because LED light source also has over other solid unmatched features, 10 years after the LED lighting industry will be the main source.

(B) the safety and environmental protection: LED 's operating voltage is low, mostly 1.4-3V; ordinary LED operating current of only 10mA, high brightness but also the 1A LED in the production process do not add "Mercury" and does. not need inflated, no glass shell, impact resistance, shock resistance, unbreakable, easy to transport, very green, known as "green energy."

(C) Long life: LED small size, light weight, shell epoxy resin, not only to protect the chip, but also has the ability to translucent converged LED life generally between 50,000-100,000 hours, because the LED is a semiconductor device,. even frequent switching, it will not affect the service life. Currently mainly used for household lighting is incandescent, fluorescent and energy-saving fluorescent lamps.

(D) fast response: LED frequency response fτ injected minority carrier lifetime τmc related materials such as GaAs LED, the τmc generally within the range of 1-10ns, the response frequency is about 16-160MHz, such a high frequency response of the video signal display 6.5MHz is enough, and this is one of the key factors to achieve large LED video screens.

Currently, LED has reached the minimum response time of 1 microsecond, generally more than a few milliseconds to about ordinary light response of 1/100 times. It can be used in many high-frequency environments, such as automobile brake lights or status lights, you can shorten the time the car brakes of the vehicle, thereby improving safety.




Section 2: LED light source powerful advantage


High (fifth) Luminous efficiency: efficiency of incandescent light, halogen is 12-24lm / w (lm / W), the luminous efficiency of the fluorescent lamp 50-70lm / w, sodium light efficiency is 90-140lm / w, most of the power into heat loss. And the LED light effect can be achieved by improving the 50-200lm / w, and the light color is good, narrow spectrum, no colored filters can be directly emitted visible light.

Small (sixth) LED components: easier to layout and design a variety of devices, and better able to achieve in the night lighting, "I saw the light but not light" effect.

(Seventh) LED light with high energy concentration: concentrated in a smaller wavelength window, high purity.

(Eighth) LED light-emitting strong point: light attenuation is much lower than traditional light sources.

(Ninth) LED low voltage DC to drive: a load of small, weak interference advantages of using a lower environmental requirements.

(Tenth) can better control the emission spectrum consists of: enabling good for museums and galleries in the local or accent lighting.

(Eleventh) can be controlled semiconductor light-emitting layer, a semiconductor material width of the forbidden band size: thus emit various colors of light, and higher saturation.

(Twelfth) high color: No harm to the human eye.

Written in the last: As an emerging technology, semiconductor lighting industry is still in a stage of rapid development, scientific and technological progress makes us feel happy, but we have to realize that both the technical aspects or industry regulations, compared to traditional light sources are not mature unsound. To truly replace traditional light sources with led outdoor lighting wholesale still has a long way to go, I believe that by promoting the healthy and orderly development of the industry, accelerating the pace gradually applied to transform traditional industries, promote the adjustment of industrial structure, will open for the people energy-saving green quality of life.

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