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Intelligentization and improvement of resolution are the current means of increasing attention of traditional televisions, but the size of the display panel cannot be made too large. This is not only an inherent limitation of LCD panel technology, but also a limitation of the structure of the Chinese family's residential environment. If the size of the display device continues to expand, the product becomes more troublesome when it enters the home. Some luxury homes now have large-screen rear projection TVs that need to be split before they are assembled in the living room. As for the problem of resolution, since the current display source is not sufficiently exquisite, whether it is 4K or 8K, it is not very significant for home users. 
Based on this environment, no screen TV was born. No screen TV is actually a projection system, but this projection system is more special. Compared to traditional projectors, today's non-screen TVs use more solid-state light sources such as LEDs and laser light sources. On the system, the current non-screen TVs also use smart TV chips, plus Bluetooth and gravity sensing on the remote control. These innovations create the current concept of non-screen TVs.
No screen TV is not a real technological subversion. But we can think of screenless display as a new kind of integration across boundaries. In fact, since the development of the technology industry, the real subversive products have been very few. The monopoly of technology is less common. How to integrate various functions well into one product is a place where skills are needed. Therefore, the concept of screenless TV is worth our discussion.
Non-screen TVs are cross-border products and there are many technical breakthroughs. But after all, this is a product based on projector technology, the brightness problem has not been solved. In particular, screenless TVs prefer to use LED light sources, which themselves have a short board in brightness. The advantages of LED light sources are many. Such long life, pure color, and low energy consumption are the inherent advantages of the development of this light source. However, the disadvantages of LED light sources are also obvious. 
The problem of brightness LED light source can not be solved. Due to the problem of luminous efficiency, LED light sources achieve ultra-high brightness and require many modules. The cost of such a light source is so high that it cannot be accepted by ordinary consumers. At the same time, if the brightness is high, the heat of the LED light source is not small, which requires a large cooling space and a powerful cooling fan. After such a design is realized, the volume advantage of the LED light source projector will disappear. 
Current non-screen TVs have made a lot of efforts in optimizing the brightness of LED light sources, but 900 Ansi lumens is already at its peak. It is still very difficult to expect more than this value. Occasional products achieve higher brightness, but the unit price has broken ten thousand and cannot be paid for by ordinary consumers. It can be said that the brightness is still the biggest shortcoming of the current technology without screen television.
No screen TV is actually built according to the concept of television. This is the biggest difference between a screenless TV and a traditional projector. The system without screen TV uses a smart chip of the TV to enhance the smooth running of the intelligent system. This is different from the smart phone's chip. In addition, in the design of the UI, the system without screen television is also seeking simplicity, optimizing the system interface for the remote control, making the machine interaction easier. 
In terms of color, compared to the 6500K color temperature of conventional projectors, non-screen TVs tend to increase the color temperature, that is, the performance of the cooler color temperature. As a result, the cold color temperature is more pleasing to the daily TV drama and movie watching. Traditional projectors adhere to the standard color temperature more. Manufacturers of screenless TVs believe that the color temperature of 6500K may make the users who are accustomed to cold color temperature performance feel warmer. 
There is also a new trend in the integration of new interactive methods on the remote control. Voice input, Bluetooth on, gravity sensing and other functions make the machine interaction more convenient. At present, the products of such traditional smart TV configuration have relatively few features, and the efforts of the non-screen TV in human-computer interaction are worthy of recognition. In this way, people can have more freedom when searching for content, playing games and listening to music. Especially with many sound units configured without a screen TV, Bluetooth and wireless transmission have a good performance.
What kind of person does the screenless TV suit? I believe this product is suitable for young consumers. With the declining rate of traditional TVs, more and more young people do not have much obsession with buying TV. Even LCD TVs are a decoration for many families. Young people prefer to watch videos online. However, the effects of large screens are still needed by people. For example, applications such as games and video sharing require large screens. At this time no screen TV is a very good optional device. 
Because young people are busy working, there is not much time to watch video content during the day and they need to go out to socialize on the weekends. Therefore, basically watching videos is concentrated in the evening. At this time, the brightness of the screenless TV is not outstanding. The advantage of the big screen is giving users more shock. Whether it is watching a TV show or watching a movie, the oversized size is not comparable to a traditional LCD TV. 
Young people are also better at accepting new products. In fact, no screen TV does not necessarily have to compete with the traditional TV for the living room. No screen TV can be used as a second choice, or it can supplement the traditional TV market. When a large screen is required, screenless TV is a reliable choice for young people to choose from, so that a non-screen TV is meaningful.
Finally, let's take a look at the price trend of non-screen TVs. According to the current situation, there is currently no screen TV in the price, in fact there is no way to compete with ordinary TV. Many 55-inch TVs now cost just over 3,000 yuan. The products with better screenless TV should be 5,000 yuan. Although there are also more than 3,000 yuan products, there will be a lot of discounts in terms of brightness and functionality. Buy a screenless TV, I still recommend buying high-end products. 
Of course, as more manufacturers join this camp, especially the continued involvement of the capital market, the price of non-screen TVs will continue to fall. In the future, the price competition with traditional TVs will become increasingly fierce. At present, many non-screen TV brands have been injected with hundreds of millions of funds. It is believed that the future market operation will still be generous. The current enthusiasm of capital for this potential market is relatively high, and these enthusiasms will eventually translate into price performance. 
Full text summary:
Can a screenless TV subvert a traditional TV? In my opinion, this ambition is basically impossible to achieve. This is determined by the inherent shortcomings of the projector technology and cannot meet the demand of users for all-weather viewing. The ultimate fate of the projection-based screenless TV can only be supplemented by the traditional TV market. However, how much is the amount of this supplement? This is the key to the good survival of screenless TVs in the future. Now screenless TVs are rapidly advancing in brightness, system, function, and even exterior design. Consumers are more concerned about this product. From the current situation, the prospects for the development of non-screen TVs are still good.
Subversion of traditional TV without screen TV put satellites in the end?
The lower the price of traditional television is, the lower this reflects the lack of traditional television innovation. There are no new features to meet the potential needs of users. Traditional TV can only stimulate users' desire to purchase by reducing prices. This situation is actually somewhat embarrassing. The status of TV in the Chinese family's living room has always been very important. How can we allow users to have a new passion for living room products? For home appliance manufacturers, this is not just a question of making more money, but also a question of how the market can sustainably grow.
Subversion of traditional TV without screen TV put satellites in the end?
Non-screen TV with reflective ultra-short focus design
The brightness of the projector is always a short board
Solid-state light sources such as LEDs cannot solve the problem of projection brightness
Minimal UI design elements
Non-screen TV's color temperature adjustment tends to cool color temperature
No screen TV can bring an oversized screen
No screen TV is more suitable for young people
The power of capital makes the price of non-screen TVs more competitive
Non-screen TVs and traditional TVs are not necessarily duel