Auto Light is a LED: LED is a semiconductor PN junction diodes, when a forward bias when imposed on the PN junction at both ends, so that PN junction system has been stimulated, carrier transition from the low-energy state to a high-energy state, when in high-energy state Back to the instability of low-energy state carrier compound, in accordance with the principle of conservation of energy, excess energy will be released as photons, it is converted into electrical energy LED light principle. It is not an object through the fever can heat up and glow, is a direct conversion of light energy, emission wavelength depends on the energy difference of carrier state and low energy states that energy difference.

As for the interior light source, the use of LED growing number of cases, especially the auxiliary lighting of the LED interior lights, as well as the instrument version of the LED backlight and so on.

LED car lamp's basic structure consists of five parts: 1.LED array, 2. Reflective mirror, 3. With light microscopy, 4. Radiator, 5. Drive circuit.

LED auto lamps and LED light sources are directly associated with the development, only when technological advances LED lighting, LED light sources used in car headlights only more popular. With LED the quality of the next LED will raise prices, LED light source there will be another outbreak of revolution in lighting, epoch-making significance, it will further affect the car lights change.

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