3D display effect is what many users are pursuing, and immersive is the best visual enjoyment. A large number of 3D movies have been released on the market, and various 3D displays, 3D TVs and 3D projectors have already been sold. With the maturity of the technology, the active shutter 3D technology and the polarized 3D technology that we have learned before have begun to make some users scream, and 3D glasses should be worn for watching 3D display devices, which makes many users feel trouble. Therefore, the emergence of naked eye 3D is the best solution, that is, users can see 3D pictures without 3D glasses.
So, what is naked eye 3D? What about the development of naked eye 3D at this stage? This article will give you a comprehensive analysis of the naked eye 3D technology.
There are many ways to implement naked-eye 3D. We have heard that the naked-eye 3D technology of Zui is the four naked-eye 3D technologies of cylindrical lens, pointing light source technology, visual barrier grating and multi-layer display. Later, I will explain these four naked-eye 3D technologies.
LR lens and visually impaired bare-eye 3D technology analysis
Among many 3D solutions, the naked-eye 3D technology currently popular in the market is cylindrical lens type. Pointing light source technology, multi-layer display and visual barrier grating also have their own advantages. Here we analyze these four mainstream naked-eye 3D technologies.
What is lenticular lens naked eye 3D technology? As the mainstream representative of the naked eye 3D technology, the principle of the lenticular lens naked eye 3D technology is very simple. That is, a columnar lens is further added to the liquid crystal panel, and the focus on the lenticular lens corresponds to the pixel on the liquid crystal panel, so that the liquid crystal pixel points transmit the sub-pixels in different directions. After the transmission of the lenticular lens, the pixels are stretched and enlarged, and the image is repeatedly projected by reflection to form a certain angle, so that both eyes can see the parallax images composed of different sub-pixel points. Nintendo's N3DS uses the naked-eye 3D display of this technology.
What are the advantages and disadvantages of lenticular lens naked eye 3D technology? The advantage of the lenticular lens naked-eye 3D technology is that it is inexpensive and does not affect the brightness of the liquid crystal screen. The disadvantage is that the lenticular lens affects the resolution and fineness of the screen.
The low cost of technology is the biggest driving force for the advancement and popularity of this technology, but the inability to provide high-resolution and fine-grained images has also plagued many users. At this time, the visually impaired grating naked-eye 3D technology brings new ideas to everyone.
What is the visually impaired bare-eye 3D technology? The naked eye 3D technology is composed of a liquid crystal panel, a polymer liquid crystal layer, and a polarizing film. The polarizing film and the liquid crystal layer are used to produce a vertical channel with a direction of 90° (width is several tens of micrometers), and the light of the backlight system forms a vertical thin strip grating through the channel, and the strip grating automatically blocks no image in the 3D mode. The side that is displayed, that is, the left side of the 3D picture is light-transmissed on the left side (the light is not opaque on the right side), and the right side of the image is output on the right side (the left side is opaque). This rapid alternating makes the left and right eyes separate, forming a visual difference, and a 3D picture appears.
What are the advantages and disadvantages of the visually impaired naked-eye 3D technology? This technology has higher compatibility with current liquid crystal display products, so it has advantages in terms of finished product yield and production cost. The light of the backlight system needs to be used to manufacture the grating, so the brightness of the screen is reduced, the presence of the grating, and the resolution is not high.
Multi-layer display and pointing source naked-eye 3D technology analysis
The high resolution and high brightness of liquid crystal displays are also pursued by many consumers. Therefore, the liquid crystal display device supporting the naked-eye 3D technology not only has a naked-eye 3D display effect, but also has high resolution and high brightness. Then, this requires a multi-layer display naked-eye 3D display technology.
What is the multi-layer display naked-eye 3D display technology? Simply put, the multi-layer display naked-eye 3D technology uses a two-layer LCD liquid crystal panel to display the left and right eye images through two LCD liquid crystal panels, providing complete resolution and high brightness.
What are the advantages and disadvantages of multi-layer display naked-eye 3D technology? The naked-eye 3D technology uses two LCDs, and the refresh rate of each screen is not too high, and there is no problem such as dizziness, and 3D and 2D images can be displayed at the same time. The shortcomings are also very obvious. The cost of two LCD panels is very high, and the thickness of the fuselage is currently very difficult to achieve.
The naked-eye 3D technology is either low in brightness, low in resolution, or high in price. Is there a more compromised naked-eye 3D solution? Pointing to the light source technology The naked eye 3D technology is such a very compromise.
What is the naked eye 3D technology that points to light source technology? In fact, it is not difficult to point to the light source technology naked-eye 3D technology, and the brightness of other naked-eye 3D solutions is not enough? The two-point LED is added to the light source type, and the LED panel and the optimization algorithm are driven by the fast-responding LED. The sorting method displays the 3D content to the left and right eyes of the viewer, causing the difference of the left and right eyes to form a 3D picture.
Pointing to Light Source Technology What are the advantages and disadvantages of naked eye 3D technology? The advantage is that pointing to the light source technology naked eye 3D technology can not affect the brightness and resolution of the screen, and is suitable for use on mobile devices. The naked-eye 3D solution has no obvious shortcomings. It is only that the program has been proposed for some years now, and there is no mass production equipment on the market.
The shortcomings of naked-eye 3D technology exist but are trying to overcome
With so many naked-eye 3D solutions, are the naked-eye 3D devices already on the market popular with consumers? What are the drawbacks of naked eye 3D?
First, the adverse reactions of the audience. A lot of news has already reported dizziness and vomiting when viewers watched 3D TV. This phenomenon also occurs in the naked-eye 3D technology. The reason for causing such a phenomenon to the user is actually very simple, because the flickering of the 3D picture is too strong. Fortunately, various manufacturers are currently working on solving this problem, and look forward to the future performance of naked-eye 3D.
Second, when viewing 3D images, the viewer's position is directly opposite the screen, and both eyes should be level with the screen. In other words, when using the naked eye 3D, you can stand as you like when you are not watching the 2D picture. This makes the audience very limited and affects the experience. However, there is currently a solution to this problem, that is, the built-in camera of the naked-eye 3D device tracks the face to correspond to the good 3D picture of Zui.
The advancement of technology always makes users feel better in life. The naked eye 3Dzui will eventually occupy the 3D market (the naked eye 3D on mobile devices has developed some scale). Which 3D technology is used does not make much sense to the user. What the user asks is that Zui has an excellent naked-eye 3D experience and the price they can afford.
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