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The light source of the projector-Alice factory

December 03, 2021

The technical solutions adopted by mainstream projectors on the market are basically divided into digital light processing (DLP) technology and 3LCD technology.

The light sources used in the projector include traditional high-intensity gas discharge light sources (such as ultra-high pressure mercury lamps, short arc xenon lamps, metal halide lamps) and new light sources represented by LED light sources and laser light sources. Traditional light source projectors will usually darken and yellow the projected image as the light emitted by the light source attenuates after a period of use (such as brightness attenuation, color saturation and contrast reduction, etc.), which is used in occasions with higher image quality requirements. , Even if the light bulb is still glowing, the light bulb has to be replaced because of this. Therefore, light decay has become a major obstacle that cannot be surpassed by projectors using traditional light sources. With the development of semiconductor lighting technology and laser technology, LED light sources and laser light sources have not only developed rapidly in the field of lighting, but also have been widely used in the field of display. LED is the earliest product used in projectors among the new light sources. Because LEDs can make the imaging structure of the projector simpler, the smaller size, easy-to-carry, and simple-to-use projector products bring to teaching, business and personal entertainment. Great convenience. At the same time, as a brand-new projection light source, the emergence of laser solves the defects of projectors using traditional light sources in brightness attenuation, color, power consumption, etc. At the same time, because it is a cold light source, it has the ability to turn on and turn on immediately. Features, fundamentally eliminate the need to wait for power on and stable light emission when using traditional light sources.

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We (Alice) are a manufacturer specializing in the production of nameplates for office appliances. We have 21 years of experience in making furniture signs. We can produce zinc alloy, aluminum alloy, stainless steel, copper, brass, iron, and titanium. , PC, PET, PE, pvc and other different labels.

Contact us E-mail: sales03@alicelogo.com

WhatsApp: +86 132 6564 6796

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