Do you have a big screen? Three questions about the development of laser television!

The size of LCD TVs is getting bigger and bigger. Now many families have upgraded their 55-inch products, but if they want to meet the demand for larger sizes, I believe there is no way to satisfy LCD TVs. Although LCD TVs can do more than 100 inches, they are very expensive and can even buy a good family car. Basically no ordinary people will consider such LCD TVs. Therefore, the projector becomes a large size choice. Many projectors are familiar, but now there are such products as laser television. What kind of product is this? Why does this product also meet the large size?


The principle of laser television

In fact, laser television is a kind of projector. This is not a special comparison of this kind of projector. The special place of this kind of projector is reflected in two places: the first is the lens, the lens used in the traditional projector, even the short-focus lens of fish-eye, it needs the longer projection distance, in order to achieve the projection of a large screen. . The lens of the laser television is a projector light path system using a reflective ultra-short focus. In this way, a screen size of about 100 inches can be achieved at a distance of half a meter.


This light path system is actually quite understandable. Through a special process, the reflected light path can be produced so that large-sized images can be projected over a short distance. Of course, this is not as simple as putting a few mirrors in the light path. Because this light path needs to ensure that the brightness of the picture cannot be greatly attenuated, and at the same time, the color of the picture is guaranteed to be normal, and distortion must not occur. Therefore, only advanced optical processing can produce such a light path. Of course, only the light path is not enough, and the laser light source must be configured at the same time. So why must use a laser?

Why use a laser

Traditional projectors use bulb light sources. The brightness of such light sources is not very high. Therefore, the requirements for the environment are high. This is why the cinema is always dark and the picture becomes unclear when the brightness is high. It is impossible to use such a light source for the conditions of the family, because the brightness of the living room is still relatively high. So the projector system must use a high-brightness light source, so the laser has become the first choice. Laser light source is a new light source that has risen in recent years.


Laser features high brightness, longevity and low energy consumption

In addition, the traditional light source has a large heat generation. In order to dissipate a lot of fans, the noise is also very large. High-brightness projectors, such as many engineering projectors, are so large in size that they actually place more light bulbs and also ensure heat dissipation. At such high temperatures, the lamp's life span is only over 2,000 hours, which is too short for home use. While satisfying the high brightness, the laser also solves many problems such as low energy consumption, long use time, and so on, thus becoming the basis for the development of laser television.


There are also restrictions on the size of laser televisions

Laser TV size

So how big can a laser TV be? From the current situation, in fact, 100 inches is almost the limit. Although you can adjust the distance to achieve a larger size, but the user to configure the large screen price is too expensive, and second, the projection size is too much lower screen brightness, and third, the projection distance increases, the projector is also a problem, It is obviously very inconvenient in the middle of the living room. So I think 100 is a practical size. Now that you buy a laser TV, there aren’t many specific problems. I think this product is still suitable for young people more often.

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