LED movie screens have more advantages in picture display. Since the birth of movies in 1895, projection has always occupied the main market of film projection equipment. With the process of industrialization, the technology of film projection equipment has been continuously improved, and the hardware facilities have been continuously strengthened. In 2018, the first LED movie screen launched by Samsung was used in theaters. This is a milestone achievement in the technological revolution of movie projection. It has broken the century-long monopoly of projectors in the film projection equipment market, marking the entry of the film into the era of no projector, and the application of LED displays in the film field has officially kicked off. Compared with the latest technology in the projector industry-laser projection, LED movie screens have certain advantages in display technology. Laser projection is greatly affected by environmental factors, since the angle between the laser projection projector and the screen is small, and the ability to resist the influence of ambient light is poor, it can only be used in low-brightness scenes at present. Based on the self-luminous characteristics of LED display screens, LED movie screens have more advantages than laser projection in application scenarios. In terms of resolution, laser projection is affected by the projection chip. At present, the resolution can reach 4K, while the LED display can be higher. In recent years, leading enterprises in the LED display industry have invested in research and development of ultra-high definition display technology, and the resolution of LED display can reach 8K or even higher in the future.
From the perspective of market demand, with the improvement of people's living standards, the pursuit of material has gradually turned to the pursuit of spirituality. The entertainment industry is developing rapidly, and the market in the field of film should not be underestimated. According to incomplete statistics, China will add 5,794 new movie screens in 2020, bringing the total number of screens across the country to 75,581. After the epidemic is effectively controlled, the market will return to normal order, and it will continue to maintain a relatively rapid growth rate in the future. In the future, if the LED display can replace the projector as a new movie projection equipment, it will be a huge blue ocean.
Facing such a vast market, many LED display enterprises why have not entered this field? First of all, to realize the application of LED display in theaters, screen companies must obtain DCI certification. According to the DCI standard, all digital cinema systems and products that enter theaters must first pass DCI certification. Products in the LED display industry must also meet the corresponding standards before it is possible to replace traditional movie screenings. In other words, DCI certification is a passport for companies to enter the cinema market. However, because it is not easy to apply for DCI certification, not only the film system and equipment must meet the DCI standards and specifications, but also high costs. In desperation, many companies' certification plans have to be temporarily shelved.
As long as I get the DIC certification standard, will the "all the way be smooth"? the answer is negative. In order to realize the wide application of LED movie screens in theaters, advanced technology is needed to match it. First of all, technically, highlighting is one of the advantages of self-luminous LED movie screens, In terms of brightness, the peak brightness of the LED display is as high as 146fL, which is 10 times the brightness of the current cinema screen. However, according to relevant data, the best viewing brightness of the current theater is 15-20fl. Is the brightness of this value for the 10 times the peak LED movie screen the best brightness? And because of the self-luminous characteristics of LED movie screens, people have also raised questions about the safety of watching movies. At present, many studies have pointed out that the luminescence of LED will inevitably produce blue light. Blue light is more harmful to human eyes, especially in a completely dark environment. During the two-hour viewing process, will the LED movie screen produce blue light and cause damage to the eyes? In addition, the dark environment of the cinema allows the audience to avoid interference from external factors and devote themselves to the plot of the movie, In the face of LED movie screens, the feature of turning on the lights can be realized, although it provides more possibilities for the diversified operation of the cinema, but will it affect the audience's immersive viewing experience?
In terms of cost, LED movie screens have higher performance requirements for pixels and size, In order to meet the requirements of LED movie screens, the cost of materials will also increase, there are currently two common screen size ratios in theaters, 1:2.35 or 1:1.85, this is the size that has been specified, and the pixels of the LED display must match this size. On this basis, LED movie screens can only be used in theaters, which greatly limits the production output of LED movie screens.
Compared with projection, LED display has the characteristics of high brightness, high definition and bright picture quality, however, LED display with excellent picture quality is often more expensive than projection products. In today’s unfavorable market environment, many theaters have no incentive to introduce it. Some conditional theaters are more just to demonstrate the advanced and high-end theater facilities, but for the mass market, whoever has a cost advantage can better occupy the market. Facing the cost of tens of millions of LED movie screens, most theaters are more willing to choose relatively cost-effective projection equipment.
It is understood that the LED movie screen is a product mainly subject to the cost of LED semiconductor light-emitting components, and its price follows "Moore's Law" to a certain extent, and a decline is an inevitable trend. As LED display companies continue to increase investment in research and development, LED display technology has developed rapidly. Therefore, we have reason to believe that the price of LED movie screens will come down someday. At that time, LED movie screens will serve as a new form of cinema projection and become a new operating format infrastructure for cinemas.
Regardless of the market space or technological advantages, the entry of LED displays into the film field is a direction worthy of attention. Coupled with the unremitting market promotion and technology investment of the leading LED display companies, it has given the industry confidence and motivation to a certain extent. We must believe that in the future, integrating the advantages of the upper, middle and lower reaches of the industry chain can provide more and better solutions for the application of LED displays in the film field. At the same time, the cost will be reduced, and the LED movie screen will be popularized as soon as possible, so that more people can enjoy the excellent visual experience brought by the LED display technology.