The LED street lamp is different from the conventional high pressure sodium lamp. High-power LED street light source using Low-voltage DC power supply, by Gan Power type blue led and yellow phosphor synthesized high-performance white light-emitting diode, with high efficiency, safety, energy-saving, environmental protection, long life, fast response, color index high unique advantages, can be widely used in urban road lighting. Housings can be made of PC tube, high temperature up to 135 degrees, low temperature up to 45 degrees. LED Street Light
The Light-emitting diode (abbreviated as LED) is a highly efficient solid-state light source that is based on a semiconductor PN junction that glows with a faint power. In a certain positive bias voltage and injected current, the cavity injected into the P region and the electrons injected into N region emit photons after being diffused to the active region by radiation, which converts the energy directly into light energy. LED Street Light
The advantages of LED street lamps: 1, the characteristics of the LED street light itself-one-way, no light diffuse, to ensure the efficiency of light. 2, LED street lamp has a unique two optical design, will be led street lighting to the required illumination area, further improve the lighting efficiency, in order to achieve energy-saving purposes. 3, LED light source efficiency has reached 110-130lm/w, and there is a great development space, theoretical value of 250lm/w. The luminous efficiency of high pressure sodium lamps increases with the increase of power, therefore, the overall luminous efficiency LED street lamp is stronger than the high pressure sodium lamp; (This overall light effect is theoretically, in fact, more than 250W high pressure sodium lamp light efficiency is higher than LED). 4, the light color of LED street lamp is much higher than the high pressure sodium lamp, high-pressure sodium lamp color index is only about 23, and led street color index to more than 75, from the visual psychological point of view, to achieve the same brightness, LED street light illumination can be compared to the average of high-pressure sodium lamp lower than 20%, (referring to the British principle of lighting standards). 5, light decay small, one years of light decay less than 3%, the use of 10 years still meet the requirements of road use, and high pressure sodium light, one years has dropped more than 30%, therefore, led street lamps in the use of power design can be lower than the high-pressure sodium lamp. LED Street Light
