The naked-eye 3D technology is mostly in the research and development stage, and its research and development is divided into two directions, one is the development of hardware equipment, and the other is the processing and development of display content. The second has begun a small range of commercial applications. There are not many contacts from the masses.
The biggest advantage of the naked-eye 3D technology is that it is free from the constraints of glasses, but there are still many shortcomings in terms of resolution, viewing angle and visual distance. Of course, there has recently been a simpler naked-eye 3D imaging technology in China, which is the second technology.
It is directly applied to specific needs of 3D effects, such as the posters of the advertising industry, e-commerce products, etc. The use of this technology is launched by the 3D team led by Xu Ke in 2013. On the poster of the new movie "Step by Step".
d is an abbreviation for three-dimensional, which is a three-dimensional figure. The naked-eye 3D technology is a kind of parallax barrier technology, lenticular lens technology or two liquid crystal panels MLD (mulTI-layer display multi-layer display) technology that can be overlapped at a certain interval, so that the text can be viewed without using special glasses. The effect of 3D images presented in the picture. If the naked-eye 3D TV is equipped with parallax barrier technology, it can realize naked-eye viewing of 3D TV.
The naked eye 3D technology includes three types: Barrier, LenTIcular Lens, and DirecTIonal Backlight. The mainstream naked-eye 3D technology currently applied is a light barrier type, also known as a parallax barrier or a parallax barrier technology.
Cylindrical lens 3d technology
The lenticular lens 3d technology is also known as the lenticular lens or microcolumn lens 3d technology. Compared with the light barrier technology, its biggest advantage is that there is no obvious loss of brightness. The principle of the lenticular lens technology is to add a layer of cylindrical lens in front of the liquid crystal display. When the liquid crystal screen displays image light through the lens, each sub-pixel in the image is projected in different directions, so that we can see the display from different angles. , you will see different sub-pixels. Although the brightness is very high, it is not compatible with the current lcd liquid crystal process, so it cannot be widely used.
Parallax barrier 3d technology
Light barrier type 3d technology is also called parallax barrier or parallax barrier technology. The principle is similar to that of polarized 3d technology. It was first developed by engineers from Sharp European Laboratory. The light barrier type 3d product is combined with the traditional lcd liquid crystal process. The implementation method is to add a switch liquid crystal layer, a polarizing film and a polymer liquid crystal layer on the screen, and use the polymer liquid crystal layer and the polarizing film to manufacture a series of Vertical stripes with a direction of 90°. When the user looks at the screen, there will be obvious vertical stripe stripes, and the left and right eyes actually see different screens, so that the 3D screen display can be realized. The advantage of this technology is that it can be compatible with the LCD liquid crystal process, and it is superior in mass production. The lack of brightness will have a very significant loss.
Pointing light source naked eye 3d technology
The pointing light source technology is equipped with two sets of led, with the fast response lcd panel and driving method, so that the 3d content enters the viewer's left and right eyes in a sorted manner to generate parallax, thereby realizing the 3d effect, and its advantage is that the resolution and the light transmittance are very good. High, does not affect the existing screen design architecture. However, this technology is not very mature at present.
Nowadays, 3D technology, whether active or passive, has a common feature that professional glasses must be worn to achieve 3D effects. However, wearing glasses for a long time can easily cause dizziness, fatigue and other discomforts. Therefore, 3D technology for naked eyes It came into being. It will be the development trend of 3D technology.
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