3D TVs in Ghana

This information is for 2011. In fact, 3D technology on TVs has ceased to exist. All manufacturers have stopped producing 3D TVs since 2017. While there was competition between conventional LCD and LCD TVs with LED backlighting, manufacturers began to produce 3D TVs. Wanting to keep up with each other, the world's leaders in the production of LCD TV set to the development and production of surround television systems. B8. Some countries have even started broadcasting programs in 3D on cable and satellite channels. Contracts are concluded for the production of such content and the sale of films in 3D. Japanese leaders in the production of televisions, Sony and Panasonic, decided to seriously compete for the 3D TV market with Korean competitors LG and Samsung. B9. All this suggests that manufacturers are investing heavily in the promotion of surround television products and this gives reason to expect a serious reduction in price. All the 3D   3D TVs in Ghana TVs shown at the shows have Full HD resolution, as well as the means of delivering 3D content. These exhibitions aroused great interest among visitors. And if the possibilities of 3D imaging are already implemented in projectors and televisions, then HD 3D television is a different technology. Three-dimensional image in movies has long been possible to watch in cinemas. At the first viewing, glasses with multi-colored lenses were used. Here the principle of separation of the image for the left and right eyes was used. The glasses were also with red and green lenses. A big success in 3D cinema was the use of polarizing glasses. This technology was called IMAX 3D. Then two projectors were used and two images were obtained on the screen, one with horizontal polarization and the other with vertical polarization. With special glasses, the left and right glasses let through only the image with its own polarization and a three-dimensional image was obtained. With this method, it was possible to obtain a high-quality and bright image. The disadvantage was that when the head was tilted, the brightness of the picture and quality changed. A newer surround cinema technology is RealD. According to this technology, one digital projector was used, which projected frames for the left and right eyes alternately at a high frequency. So that the quality of the picture does not depend on the tilt of the head, circular polarization was used. One frame was polarized clockwise and the other was polarized counterclockwise. With this method, the three-dimensional image turned out to be more high-quality and natural. Only due to technological features, this technology can be used only in small halls with the preservation of quality. With all these methods, cinemas use special silver-plated fabrics for screens and sophisticated equipment for projectors. Such technologies are not rational to use at home, and even more so in television technology. The use of polarization in televisions is not possible on the entire screen area. In the previously used models of surround video (CRT TVs, projectors), the principle of dividing the image resolution by two was used. And one frame of the stereo image was displayed on even lines, and the other frame on odd lines. With this method of dividing the image, the vertical resolution of the CRT TV was reduced to 300 lines. And in the case of Full HD, the reduction will be up to 540 lines at a native resolution of 1080 vertical pixels. An image was displayed for each eye separately, and at one point in time one eye saw its own half-frame, while the other eye did not see anything at that point in time. In the next half-frame it was the other way around, and already the other eye saw the image, but the first one did not. To ensure HD resolution in 3D TVs, that is, 1080 vertical dots, you can apply the same principle as before: display frames for each eye one by one. At the same time, make sure that only one eye sees each frame, and the other eye already sees its own, that is, the next frame of the image. https://tonaton.com/s_17-3d-tvs