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According to Samsung Global Newsroom
A 3D version of the Cinema LED Screen has been unveiled to the world. Samsung Electronics formally debuted its latest product at ISE (Integrated Systems Europe) 2018, the largest commercial display exhibition in Europe, which began on February 6 in Amsterdam, Netherlands. This is the second time that Samsung showcased a ‘first of its kind’ screen after its first-ever Cinema LED that made its first appearance last March.
Samsung Cinema LED Screen has been acclaimed for overcoming the limitations of existing film projectors in theaters. Viewers have praised the screen for making them feel as if they are watching a 3D film, with its crystal-clear 4K (4,096 x 2,160) resolution picture quality, infinite ‘true black’ HDR, and non-distorted visual imagery.
In less than a year, Samsung turned the viewers’ ‘feeling’ of watching a 3D film into a reality. The true 3D technology was incorporated into the Cinema LED Screen, which gives the ultimate 3- dimensional experience by utilizing the brightness and quality of Cinema LED as it is. Samsung Newsroom met with Dongsoo Koo, from Samsung Visual Display Division’s Enterprise Product Planning Group, who participated in the whole process of bringing the 3D Cinema LED into the world.
Long History of 3D Films that Began from the ‘Binocular Disparity’
“It is the movie ‘Avatar,’ the box office hit of 2009, that usually comes into people’s minds when thinking of 3D movies. However, 3D technology already existed in the 1890s. In fact, it was in 1832 when the physicist Charles Wheatstone first discovered the principle of 3D, which makes it a more than 180-year-old technology. During the 1950s, about 40 3D films were produced in Hollywood.”
The principle of a 3D video is quite simple. There’s a gap between our two eyes, the 65mm disparity between the right and left eye. This ‘binocular disparity’ adds three-dimensional sense to the visual information that our eyes receive. The mechanism of a 3D video is essentially the same. 3D cameras are mounted with two different lenses. For the visual information taken with the two lenses of a 3D camera to be delivered to our two eyes, there should be two screens, too. But since only one screen can be installed, we need a technology to realize 3D video on that screen. Halving the scanline1 to deliver the video to our two eyes respectively can be one way or making the two videos intersect with each other at an extremely high speed can be another.
Catching Both Birds: Brightness and Resolution
Likewise, there are various ways of realizing 3D on a screen. However, the number one priority in 3D Cinema LED development was that no matter which method is adopted, the best level resolution of Cinema LED Screen should be maintained. This was what kept Samsung up at night.
“The existing 3D cinemas had to compromise between brightness and resolution. The screen is dark as if the viewers are wearing sunglasses in the theater. The brightness is already halved, and with the 3D glasses that audience must wear, it becomes a one-third level compared to other 2D films. The resolution is halved too. It is inevitable as the videos for the left and right eye are overlapped and reflected.”
The evident limitation for existing 3D theater clearly revealed the path for 3D Cinema LED. “The brighter the visual information is, the more our eyes receive the three-dimensional impression. Therefore, we had to develop a new product that delivers the same brightness of Cinema LED, which is 48 nits, even while wearing the 3D glasses. We also could not sacrifice the resolution. It’s clear that lower resolution equals a lower sense of reality.”
It was not an easy goal. But Samsung’s know-how on 3D TV and the knowledge of Cinema LED created the synergy for the company to overcome the limitation on brightness and resolution of the existing 3D movie theaters’. 3D Cinema LED’s full and precise color refuses comparison any premium movie theaters.
Less Dizziness in 3D Film Experience
3D technology makes movies to be more immersive, but it can also cause inconveniences such as dizziness and headaches. The 3D Cinema LED screen has significantly improved dizziness that specifically involves 3D.
There are two reasons for the dizziness. The dizziness from the content itself occurs due to the mismatch between the reality and what our brain recognizes. That is, our body is sitting still but our brain thinks the body is moving. In addition, when we stare at a certain screen for more than two hours in a dark room, it is natural to develop a headache.
However, Koo proudly told that 3D Cinema LED has no degrading of brightness and improves the display-related dizziness by eliminating many of the triggering factors except those coming from the content itself. Therefore, the viewers experience less dizziness. “The left video should be seen only by the left eye and the right video only by the right eye. But there are moments when our eyes receive overlapped imagery. This is called ‘crosstalk,’ and the repetition of crosswalk causes the dizziness and headache. Fortunately, our developers came up with an algorithm for 3D Cinema LED to completely get rid of any crosstalk from happening, therefore dealing with the dizziness and headache issues.”
Less Distortion, No Matter Where You Sit in the Theater
The 3D Cinema LED has the same viewing angle as the Cinema LED. The 3D Cinema LED provides the opportunity to enjoy the film with less distortion no matter where the viewer is seated, just like the Cinema LED did. “When watching in the conventional 3D theater, the image becomes darker or distorted as people go to the edge of the theater, but 3D Cinema LED has significantly improved the problem.”
For theaters to be a space that continuously delivers new experiences, the 3D Cinema LED is expected to play a bigger role. “People say ‘Seeing is Believing.’ One might not believe until seeing something, but once seeing it, there’s no denial. I think this applies to 3D Cinema LED, too. Before experiencing it, some might doubt whether there is an actual difference. But once they experience the new technology of ours, people will believe and understand that it is totally different. This year’s ISE will be the first moment of that unique experience,” said Koo, adding that soon people will be able to enjoy the ultimate 3-dimensional experience through 3D Cinema LED Screen.
While nothing can compare to actually being there, this video captured the 3D cinema LED screen over 3D glasses. The film is a trailer for “Valerian and the City of a Thousand Planets”.
1 a line or a row of pixels from a television screen
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