What's the difference between laser projection and ordinary projection?

1, laser projection works differently from ordinary projection. Laser projectors use laser beams to transmit images. Among them, the optical elements of the laser projector are mainly composed of red, green and blue light valves, beam-combining X prism, projection lens and driving light valves. In normal projection mode, the light passes through the color wheel and rotates at high speed, then the colors are mixed and finally transmitted through the prism.

2. The service life of laser projection is longer than that of ordinary projection. Laser projector is to make up for the defects of ordinary projection. That is, the working life is long, the screen brightness will not darken due to long-term work, and the color gamut is wide, which is about 2 times that of ordinary projectors.

3. The prospect of laser projection is better than ordinary projection. The comprehensive performance of laser projectors is very good, and laser projectors with few products in the retail market have appeared for many years. It is not an emerging technology, and it is mature in all aspects.

Extended data

We know that the current mainstream projector schemes are DLP and 3LCD, in which 3LCD magnifies the red, green and blue LCD panel through a lens and transmits it through a mirror.

The DLP working mode is that the light passes through the color wheel and rotates at high speed to mix colors. Finally, it is transmitted through a prism. Although each has its own advantages and disadvantages, it should be noted that both methods use light bulbs, which have a long life, and the brightness and color purity of the picture can only be considered sufficient.

From this year's industry's largest Jingmei InfoComm exhibition, we can see that laser, 4K, AV and so on. Are the most eye-catching highlights in the audio-visual world. It can be seen from the comprehensive adoption of laser as the projection light source by LCD projector manufacturers that although its own advantages are irreplaceable in their respective fields, the inevitable laser light source is also an inevitable trend accepted by all manufacturers and users.

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