ashley
Member
This is very easy to understand, because LED is expensive. The 100-inch Sony TV series may cost over $70,000. Now with the increase in size of LED, the price has doubled. If you put it in a movie theater and make it a length of more than ten meters, this cost can't be imagined! If the LED screen is damaged, man-made damage, etc., these costs are quite high.
The delicateness of the LED screen image is still incomparable with that of the projector. Especially digital projectors can now reach a resolution of 2048 * 1080p in technology. effect.
At present, the projector is the most comfortable for the eyes. We usually see that objects in nature will not emit light. Only when natural light is reflected on the object, we can see things. Luminescence is anti-human, and it is not good for the eyes. The projector is to hit the light on the screen cloth. We see that the projection cloth itself does not emit light. Just like looking at objects in nature, it can give people a more real feeling. Why does kindle read a book The eyes are not tired, because the ink screen is not self-luminous, and it is also a reflective screen, so the led cinemas do more harm than good. To make the eyes bright and blind in order to watch a movie, it is not worth it!
Resolution:
For small-pitch LEDs, higher pixel density means that the difficulty of stability design increases geometrically, the pixel pitch decreases by 50%, and the backplane density increases by 4 times, so the resolution of small-pitch LEDs is difficult Further improve. At present, movie theaters have basically reached the 2K level, so small-pitch LEDs cannot meet the standards of movie theaters in terms of picture clarity.
Although the life of LED lamp beads can reach more than 100,000 hours, due to its extremely high density, it is difficult to dissipate heat in a limited space, and local failures are prone to occur. To maintain and overhaul such a behemoth is not a simple matter, and may require a lot of manpower and material resources.
At the same time, in addition to poor heat dissipation, LED display screens often have some problems, such as "bad spot problems". At present, most of the LED screens seen have more or less bad spots. Formation of diffusion, which in turn affects other normal bright spots, eventually results in abnormal display of part or the entire display. Compared with easy-to-care screens, the maintenance and repair costs brought by LED screens cannot be ignored.
In fact, the screen in the theater is also quite expensive, and the projector is also expensive. Whatever the 3D, the laser is very expensive. In fact, many LED screens can be assembled on site, and there is no limit to the size. The pieces are piece by piece, and the cost is not too high. Why is the movie theater not used, mainly because the current machinery of the movie theater is not bad. Replacement increases the cost. The other is laziness and conformity.
The delicateness of the LED screen image is still incomparable with that of the projector. Especially digital projectors can now reach a resolution of 2048 * 1080p in technology. effect.
At present, the projector is the most comfortable for the eyes. We usually see that objects in nature will not emit light. Only when natural light is reflected on the object, we can see things. Luminescence is anti-human, and it is not good for the eyes. The projector is to hit the light on the screen cloth. We see that the projection cloth itself does not emit light. Just like looking at objects in nature, it can give people a more real feeling. Why does kindle read a book The eyes are not tired, because the ink screen is not self-luminous, and it is also a reflective screen, so the led cinemas do more harm than good. To make the eyes bright and blind in order to watch a movie, it is not worth it!
Resolution:
For small-pitch LEDs, higher pixel density means that the difficulty of stability design increases geometrically, the pixel pitch decreases by 50%, and the backplane density increases by 4 times, so the resolution of small-pitch LEDs is difficult Further improve. At present, movie theaters have basically reached the 2K level, so small-pitch LEDs cannot meet the standards of movie theaters in terms of picture clarity.
Although the life of LED lamp beads can reach more than 100,000 hours, due to its extremely high density, it is difficult to dissipate heat in a limited space, and local failures are prone to occur. To maintain and overhaul such a behemoth is not a simple matter, and may require a lot of manpower and material resources.
At the same time, in addition to poor heat dissipation, LED display screens often have some problems, such as "bad spot problems". At present, most of the LED screens seen have more or less bad spots. Formation of diffusion, which in turn affects other normal bright spots, eventually results in abnormal display of part or the entire display. Compared with easy-to-care screens, the maintenance and repair costs brought by LED screens cannot be ignored.
In fact, the screen in the theater is also quite expensive, and the projector is also expensive. Whatever the 3D, the laser is very expensive. In fact, many LED screens can be assembled on site, and there is no limit to the size. The pieces are piece by piece, and the cost is not too high. Why is the movie theater not used, mainly because the current machinery of the movie theater is not bad. Replacement increases the cost. The other is laziness and conformity.
