The application principle of the naked eye 3D advertising machine? In recent years, with the rapid development of 3D display technology, 3D products have begun to enter the lives of ordinary people. However, since most 3D products still need to wear 3D glasses and other auxiliary equipment to display stereoscopic visual effects, the popularity of 3D products has been seriously affected. Restricted, in the face of this problem, naked-eye 3D display technology came into being and received wide attention. The 3D holographic fan display is the product of this technology.
Whether it’s the stunning scenes in Hollywood movies or the cute shots in Disney’s animations, I believe many viewers will be impressed by the realistic stereoscopic display and can sit in front of the TV at home. These stereoscopic effects are not a pleasure, but the restraint of glasses has blocked consumers' enthusiasm for 3D TV. The possibility that glasses-type 3D TVs have adverse effects on vision can not be ignored, and wearing 3D eyes for a long time to watch the program brings The dizziness, bad habits and other bad feelings are also the experience of many viewers, and the patients with myopia are suffering from wearing "double" glasses. Therefore, we must admit that the past glasses-type 3D movies or movies can only be used as a transitional product for the development of 3D technology, and now 3D holographic display will be the inevitable destination of the future development of 3D technology.
The naked-eye 3D display or the autostereoscopic display refers to a series of display technologies that can sense the three-dimensional depth of field through a display device such as a screen without using an auxiliary device such as a person's left and right eyes. . As early as the 1990s, Holliman of Durham University in the United Kingdom began research on electronic autostereoscopic display devices; in 2000, Sharp introduced a 3D display device based on parallax screen - SH25liS mobile phone, which is a consumer naked eye. An important step in the history of 3D equipment development. In 2009, PureDepth of the United States developed a multi-layer display technology that utilizes the front and rear alignment of a multi-layer LCD to form a corresponding front-to-back depth by separately displaying the foreground and the back. In view of the fact that many previous 3D display solutions are not well applied to mobile devices, David Fatal et al. proposed a naked-eye 3D display solution based on multi-directional diffraction backlight technology in 2013, using LED-based guided wave illumination. The technology can generate a multi-view color image by a thin planar transparent light guide, thereby ensuring high resolution, wide viewing angle and appropriate visual distance of the naked eye 3D display, which is beneficial for use on a mobile platform.
The naked-eye 3D display technology is not only a research hotspot of scientific research institutions, but also the focus and research direction of many domestic enterprises. Since the naked-eye 3D display technology can be applied to entertainment, education, medical, commercial and many other aspects, Shenzhen Weiwei Intelligent Technology Co., Ltd. has invested a lot of energy in research and development in this area, and has achieved great results in 3D holography in 2018. The fan screen came out and was highly sought after by consumers.
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