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3D TV, also known as three-dimensional television, is a technology that allows viewers to experience visual content in a three-dimensional format. Unlike traditional television, which presents images in a two-dimensional perspective, 3D TV immerses viewers in a lifelike and realistic entertainment experience. By creating depth perception and simulating the perception of depth, 3D TV aims to enhance the viewing experience and bring content to life. Whether it is a movie, sports event, or video game, 3D TV aims to captivate audiences and make them feel like they are part of the action. In this introduction, we will explore the technology behind 3D TV, its history, as well as its advantages and disadvantages in order to gain a comprehensive understanding of this innovative entertainment medium.
Currently on the market, TV manufacturers such as Samsung , Sony , LG , etc. are promoting 3D technology fortheir 3D smart TV lines. Sowhat is 3D TV? What technologies does 3D TV have? What is active 3D and passive 3D? The following article Thptlaihoa.edu.vnwill help you explain those questions.
What is 3D TV?
3D TVs are different from regular TVs in that they are capable of viewing 3D images. The principle of operation of 3D TV is that, the screen will display 3D content that is played at the same time with two frames, one frame for the left eye and one for the right eye.
When watching 3D TV, users use 3D glasses, vision will be deceived by the illusion caused by the image and that image will be merged to create a hologram, so the most important thing when watching 3D TV. watch 3D movies glasses are 3D glasses. (There are still some manufacturers offering the concept of 3D TV without glasses, but the price is very high and has not been officially introduced in Vietnam for commercial purposes.)
Accordingly, 3D technology is divided into two categories: active 3D technology and passive 3D technology.
What is Active 3D?
Active 3D technology uses glasses with shutters (glasses) made from liquid crystal and these glasses are battery-powered . When in operation, the glasses will continuously open / close both sides of the glasses to create 3D images.
The advantage of active 3D technology is that the image will have Full HD image quality and true. However, active 3D glasses are large, heavy and require the viewer to always keep in a balanced position, the cost is high, on the other hand, you must not move while watching, the viewing angle is quite narrow.
TVs using active 3D technology can be mentioned as FullHD W800B series, X9500B 4K TV series,Sony’s X9000B,Samsung’s H6400, etc.
What is passive 3D technology?
Passive 3D technology uses polarized glasses (the kind of glasses found in cinemas). Passive 3D glasses filter the image in each eye, so the left eye only perceives half of the image and the right eye sees the other half. Televisions equipped with passive 3D technology will have a layer of FPR film coated on the outside of the screen to create a different image between the eyes. It is for this reason that you cannot use active 3D glasses to watch passive TV and vice versa.
Comparison of active and passive 3D glasses: According to many people’s comments, the picture quality of passive 3D TVs is somewhat lower than that of active 3D televisions (3D passive only achieves HD resolution). However, due to the fact that passive 3D glasses are light, do not need to be charged and are cheap, passive 3D is becoming a trend for many people.
Today, famous TV brands such as Sony, LG … are selling on the market passive 3D TV models with mid-range prices such as 42-inch TV model 42LB650T, 49-inch TV model 49UB850T or up to 84-inch 84UB980TfromLG. .
What are the benefits of 3D technology?
Since Samsung 3D TV products , LG 3D TVs , Sony 3D TVs , Toshiba 3D TVs ,… were born, users have the opportunity to enjoy 3D entertainment space at home without going to the theater. Bringing you great comfort right inside your home.
Not only that, 3D technology also marks a new development of televisions, creating opportunities as well as challenges for competition among manufacturers, through which customers will have more choices in terms of price brands. as well as quality.
Cheap 3D TV models today
Currently, in addition to high-end 3D TVs (more than 50 inches in size, costing over 20 million), electronic companies are also aiming to produce some cheap 3D TVs to suit the needs of consumers. From a variety of customers, you can name the cheapest 3D TV models today such as: 40-inch SMART TV 3D LED TCL L40E5700 priced at VND 13,300,000, SMART TV 3D LED LG 42LB650T 42 inches priced at VND 14,400,000 or SMART 3D LED TV SAMSUNG UA40H6400 40 inch for 14,900,000 VND.
The article has just given you the simplest view of 3D TV with passive and active 3D technology. Do you have any questions about 3D TVs and accompanying technology? Leave your comments for Thptlaihoa.edu.vn right in the comment section below.
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In conclusion, 3D TV is a technology that revolutionized the way we experience visual entertainment by providing depth perception and creating a more immersive viewing experience. By using special glasses, viewers are able to perceive the content displayed on the screen in three-dimensional form, giving the illusion of objects and characters coming to life. Although initially met with excitement and high expectations, 3D TV failed to gain widespread popularity and eventually declined in the consumer market due to various factors such as high costs, limited content availability, and issues with discomfort and potential health risks associated with prolonged usage. However, the impact of 3D TV paved the way for advancements in other virtual reality and augmented reality technologies, laying the foundation for new and exciting possibilities in the field of visual entertainment. Despite its decline, 3D TV remains an important milestone in the history of television and serves as a reminder of the constant innovation and evolution in the realm of technology and media.
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