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What Are Working Principles Of The Naked-eye 3D Display Screen? | Enbon

2022/09/14

In recent years, naked-eye 3D big screens have been popular. Hundreds of cities across the country have successively adopted naked-eye 3D giant screens with local culture. At the same time, the naked-eye 3D screen has attracted the attention of many screen companies and has also been cheered by the audience. Although the naked-eye 3D screen looks like a leapfrog breakthrough in the traditional display, it is actually ordinary. On this article, we're going to discuss what are the working principles of 3D display screen.

The domestic naked-eye 3D technology is not a cutting-edge display technology, but this technology allows people to see vivid three-dimensional images with the naked eye without requiring people to wear 3D auxiliary tools. Our naked-eye 3D working principle is to use the left and right eyes of a person to receive images from different positions, and then the brain superimposes and merges the information of the two images to form a picture with not only up-down, left-right, but also front-back and far -Close-up images with a three-dimensional effect.

The common types of naked-eye 3D display technology are divided into shutter type and polarized type. The shutter type means that by dividing the image into two frames corresponding to the left eye and the right eye, two sets of images corresponding to the left eye and the right eye are formed, which are continuously displayed in an interlaced manner. So the eyes can see the corresponding picture at a certain moment. Polarized light uses the principle of “vibration direction” of light to decompose the original image. First, the image is divided into two groups of vertically polarized light and horizontally polarized light, and then the 3D glasses use polarized lenses with different polarization directions on the left and right sides. In this way, a person’s left and right eyes can receive two sets of images, and then synthesize a three-dimensional image through the brain. In comparison between the two, there are more applications for shutter-type glasses-free 3D screens.

The current naked-eye 3D technology is not really like naked-eye 3D display, but the big screen has a strong stereo effect when watching a specific video customized for the big screen at a specific angle, otherwise the image will be distorted. For example, when the audience views a straight line in a plane from any angle, the straight line is a straight line, but when the straight line is placed on a special-shaped screen, the straight line will become a diagonal line when viewed only at the same height as the eyes. the naked eye 3D screens that have become popular in recent years are all composed of two images from different angles. The screen is folded by 90°, using video materials that conform to the principle of perspective. The left screen shows the left view of the image, and the right shows the main image. when people stand in front of the corner and watch, they can see the side and front of the object at the same time, presenting a realistic three-dimensional effect.

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