OFweek smart home network news laser TV's attention is getting higher and higher, but many people do not understand laser television. Although there are many articles on the Internet that explain the advantages of laser television and technical principles, there is no article that touches the actual product, or that there is no real purchase of a friend who has used a laser television. The pain points of this product are still inaccurate. Through the communication with many brand manufacturers and the opinions of many netizens, the author summarized the five major pain points of laser television. A friend who wants to buy a laser television can come to understand.
Can you buy it or not?
Product can not touch the installation is very difficult
Laser TV is an ultra-short-focus product, which means that placing a laser television on a TV cabinet can project a screen that is closer to 100 inches, so the laser TV does not need to be lifted. However, there is also a drawback in using the cabinet, which is that the machine is easy to move. Especially children with children at home, many children are full of curiosity, so it is likely to move laser television products. Once the laser television has moved, it is more difficult for the screen to relocate.
Laser TV is often placed on the table
The size of the laser television screen, and the fit of the screen edges and the curtain are all determined by the position of the laser TV. Therefore, once the position of the laser TV is moved, the user needs to re-adjust the position of the screen edge and the curtain. This process is not as simple as imagined, especially for the users who are not familiar with the projector. The reflective ultra-short-focus projection method causes the laser television screen to not display the rectangular shape of Zhou Zheng. The laser television may coordinate with the keystone adjustment when adjusting. Such functions, so the adjustment process of laser television is more tedious.
The location of the laser TV cannot be easily changed
how to solve this problem? Users can use their own equipment to laser TV fixed, and some manufacturers provide a tray, the tray can be fixed with the TV cabinet, and then the laser TV and the tray connection. This will solve the problem of laser TV's easy movement.
Wireless screen shooting function is not even?
Many consumers tend to overlook such a feature when they purchase laser televisions. This is the function of the wireless projection screen. Although the function of directly projecting the mobile phone's desktop directly onto the big screen is not yet mature, many of them will experience delays or stalls, but the use of video software such as APP to achieve the screen-casting function is very reliable.
Screen copy features often delay and stall
The difference between these two functions is that the former can project all the screens of the mobile phone screen onto the large screen, and the process of the user operating the mobile phone can be displayed on the large screen; the latter can only project the video resources in the APP and cannot be displayed. Pictures and videos from mobile phones. However, the latter is actually the most practical in daily use, and it is also the most reliable. The former's "screen copy" function is not only unstable, the screen often has a delay, and the user's mobile phone can't close the screen after the screen is projected. The function of the "APP projection" function is very stable, and after the projection is completed, the mobile phone can go Deal with other things, even if the screen does not affect the projection process.
This screen-casting function is the most reliable
With the function of APP projection, for example, we have purchased members of a specific video platform, then we can directly use the mobile phone to watch resources on a big screen, and do not need to purchase VIP members on the laser TV platform. This not only saves money, but also Enjoy the large screen and have a wealth of resources. Now many laser televisions do not have this function. In fact, this is very unwise. Therefore, when purchasing laser televisions, consumers must consider buying products that support wireless projection. In this way, the resources in the later period are abundant enough.
What to do if the laser highlights the child's eyes
Some consumers have children at home, so there is concern about the safety of laser televisions. Although the security of laser televisions has been tested, many national agencies have confirmed that normal viewing of laser televisions does not cause physical harm to the user's eyes. However, many children do not take the unusual route. They are likely to direct their eyes directly at the camera. The so-called “curiosity kills the catâ€. What happens if this happens?
Laser TV lens is located on the body
There may be no problem viewing the picture of the laser television, but when the eyes directly aim at the lens of the laser television, the energy of the laser is much greater. Children's eye structures are not yet fully developed, so if they do, they may cause some damage to the eyes. Many laser televisions do not deal with this issue.
Sensor design prevents child eye injury
However, some products have begun to consider this issue. They provide a reliable solution. That is, sensors are installed on both sides of the lens, and only obstacles appear in front of the lens of the laser television. Then, the laser television will be automatically blanked. In this way, even if the child's curiosity comes over, there will be no laser light to injure the eyes. Friends with children in the family should pay more attention to this feature when purchasing laser TVs.
The interface is too inconvenient to insert and insert
The current form of laser television is basically the same, the lens is located on the top of the fuselage, while the interface is located in the back of the fuselage, so that in the normal use of laser television, laser television interface must be directed against the wall. The problem with this kind of design is that when inserting and inserting various data lines, users often do not see where the interface is. When moving a laser television, the problem of recalibration that we mentioned at the beginning will arise.
Usually the interface of the laser TV is located behind the fuselage
And now people's output devices are increasing. There are Blu-ray players, cable TV boxes, game consoles, and so on. So many output devices cannot all be connected to laser televisions. Many times when it is necessary to use, people will connect the wire, which requires the frequent operation and removal of the interface. Many netizens responded to the interface of the laser TV. It was very troublesome to operate.
Laser TV interface should be properly laid out on the side
The author believes that frequently used interfaces, such as HDMI and USB interfaces, need to be designed on the side of the fuselage, so as to facilitate the user to operate the interface. Some infrequently operated interfaces can be designed behind, such as movie interfaces, audio input and output interfaces, and so on. This design is reasonable.
Focusing is not convenient Manual is very troublesome
Another problem is the problem of focusing on laser televisions. Many laser television products provide manual focusing. This focusing method is not very convenient. Users need to be close to the laser television to adjust the focus. The current price of laser television is not cheap, and for a high-end product, providing auto-focus is appropriate. After all, the price of tens of thousands of yuan, but also allows users to always run back and forth when operating, it is not should be.
Automatic focusing function should be introduced into the field of laser television
In addition, due to the principle of the projector, the definition of the screen may change after a long time. Therefore, the laser television needs to be adjusted at regular intervals. And when installing, it is more convenient to watch the picture in the distance and adjust the focus. The user can view the overall situation, so that the detailed display of the picture is even more vivid. The author believes that the auto focus function is still necessary for laser television products.
Although laser television is a kind of new product, it is developing at a faster rate and there are already many consumers concerned about this product. Many brands have also begun to enter this market. However, the history of the birth of laser television is not long afterwards. Many manufacturers consider this product based on the perspective of a traditional projector, and the understanding of the appeal of ordinary consumers is not thorough enough. The author summarizes some of the current pain points of laser television use, hoping to help manufacturers and consumers understand laser television products.
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