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The Impact Factor Caused by the Temperature of the LED Street Lamp

  Author :Green earth– LED Strip Lights manufacturers

It is said that I am going to summer, and the LED streetlight is used for a long time after the summer is open. It will gradually increase the temperature inside the LED luminaire. If it is not possible to generate the heat generated, the life of the light lamp will be used. It has a great impact, which will seriously damage LED street lamps and street lamps.

Like the LED light source, the semiconductor light emitting diode (LED) also generates heat during operation, which depends on the overall luminous efficiency. Under the action of external energy, electron and hole radiation composite generates electroluminescence, and the light radiated in the vicinity of the PN junction also needs to pass the semiconductor medium and the package medium of the chip itself to the outside (air). Integrated current injection efficiency, radiation light-emitting quantum efficiency, chip external light extraction efficiency, etc. Form transformation thermal energy.

Green Lighting believes that the LED lamp is stable, the quality is good, it is crucial with the lamp itself, and the high-brightness LED lamp is heat dissipation, often It is not ideal for heat dissipation by natural lapse radiators.

The main structure of the LED lighting using the LED light source is composed of: LED, heat dissipation structure, driver, lens, etc. Therefore, heat dissipation is also an important part. If the LED can't cool well, its life will also be affected. Heat management is the main problem in high brightness LED applications. Due to type III nitride p-type A miscellaneous solubility of Mg is limited to the solubility of the Mg, and the heat is particularly easy to generate in the P-type region. This heat must be dissipated through the entire structure; the heat dissipation pathway of the LED device is mainly heat transfer and Thermal convection; the thermal conductivity of the substrate material results in an increase in the thermal resistance of the device, producing a severe self-heating effect, and the effect of devastating the performance and reliability of the device. The impact of heat on high brightness LEDs. The heat is concentrated in a small size, the chip temperature rises, causing the non-uniform distribution of the thermal stress, the chip luminous efficiency and the fluorescent powder efficiency drop; when the temperature exceeds a certain value, the device loss efficiency is present The index law is increased.

According to a research data: the element temperature is 2 C, the reliability is 10%. When multiple LED strings, in parallel arranging, in the LED lighting system, heat The problem of elimination is the problem that has been concerned in the industry. Solving heat management issues have become the primary factor for high brightness LED applications.

The above is the influencing factor caused by the temperature of the LED street base. If you want to know more about the LED street lamp, you can pay attention to Dongguan Green Land Lighting: Http: // 呜呜. Rhyme beauty .com /

The Impact Factor Caused by the Temperature of the LED Street Lamp 1

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