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This is too easy to understand, because LED is expensive! The 100-inch Sony TV has already sold for 500,000 yuan! At present, with the increase of LED size, the price has doubled. If the LED is put into cinemas and made into a length of more than 10 meters, the cost is unimaginable. If the LED screen is damaged, artificially damaged, etc., these will cost an arm and a leg.

Using a projector is usually called watching a movie, will using an LED screen watching TV. What if consumers complain about paying for movie tickets but watching TV?

In fact, it mainly attributes to cost, portability and image quality. The fineness of images displayed on LED screen cannot equal with that of projectors, especially when digital projectors now have technically up to 2048*1080p resolution and can easily achieve high-definition effects.

At present, projection is the most eye-friendly one. Objects in nature, which we usually see, do not emit light themselves. Only when natural light is reflected onto the objects can we see them. If it is dark, nothing is visible. LED, working on self-illumination, is anti-human and is not good for eyes. Projection is to project light onto screen cloth. When we look at projection cloth, it does not emit light. Just like looking at objects in nature, it can give people a more real feeling. The reason why reading on kindle will not make eyes easily tired is that ink screen is not self-luminous but reflective screen. In the same way, LED cinema does more harm than benefit. Blinding your eyes in order to watch a movie, it’s more than worth it!

Theater T700 projector is 1080p in native resolution

TResolution: For small-pitch LED, higher pixels per inch means that the difficulty of stability design increases geometrically, pixel pitch decreases by 50%, and backplane density increases by 4 times, so the resolution of small-pitch LED is difficult to further improve. At present, cinemas have basically reached 2K level, so small spacing LED still cannot meet the standards of cinemas in terms of picture definition.

At the same time, in addition to poor heat dissipation, LED display screens are also prone to some problems, such as "bad spots". At present, most of the LED screens seen have bad spots more or less. If maintenance is not carried out in time, diffusion will be formed, which will affect other normal bright spots and eventually lead to abnormal display of some or all of the display screens. Compared with the easy-to-care screen, the maintenance cost of LED screen cannot be ignored.

In fact, that piece of cloth in the cinema is quite expensive,so is the projector. Items like 3D, laser, etc. are quite expensive. In fact, many LED screens can be assembled on the spot, and the size is not limited. Pieces of LED screens are assembled one by one, and the cost is not too high. Why are they not used in cinemas, mainly because the existing machines in cinemas still work well. New machines will increase costs. The other reasons are inertia and conformity.
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