Is it necessary to film the mobile phone? You have been cheated for so many years.

On the roadside, under the overpass, and even in the subway station, you can see the little brother with film everywhere. There are five, ten or even hundreds of films. Do you sometimes have doubts about whether you should film? With the development of smart phone market, mobile phone film has become a huge industry, but the industry is mixed, and even most users can’t give a definite conclusion about whether the film is useful or not.

Is it necessary to film the mobile phone? You have been cheated for so many years.

The author investigated colleagues and friends, and most of them came to the conclusion that the mobile phone film was useless, and some of them came to the conclusion that the mobile phone film was useful. Therefore, the author personally investigated the physical store that specializes in selling mobile phone film (the address was announced for the inconvenience of protection), and the conclusion given by the store was very unexpected. The conclusion was: "Most mobile phone films on the market are useless", and I was shocked by a sentence to the effect that "the mobile phone screen and the mobile phone film are stuck together, and the two equally fragile things are.

In the spirit of seeking truth from facts, the author bought several very distinctive mobile phone membranes online and came back to test them. Please read them patiently and I believe I will give you a satisfactory answer.

Data from Tmall shows that (m means millions):

In 2016, the sales volume of Tmall mobile phone film was 180M pieces, and the sales volume was 2245M RMB.

In 2017, the sales volume of Tmall mobile phone membranes was 240M pieces, and the sales volume was 3608M yuan.

In January 2018, the sales volume of Tmall mobile phone film was 26 million pieces, and the sales volume was 434M million yuan.

In 2018, the sales volume of Tmall mobile phone film is expected to reach 300M pieces, and the sales volume can reach 5000M yuan.

Is it necessary to film the mobile phone? You have been cheated for so many years.

Sales Table of Mobile Phone Film Tmall in 2016, 2017 and 2018 (data in 2018 is forecast)

The data from Taobao shows (m means millions):

In 2016, the sales volume was 114M pieces and the sales volume was 705M yuan.

In 2017, the sales volume was 98M pieces and the sales volume was 707M yuan.

In January 2018, the sales volume was 8M pieces and the sales volume was 67M yuan.

In 2018, the annual sales volume of Taobao is expected to reach 90M pieces, and the sales volume can reach 700M yuan.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Mobile phone film Taobao sales table in 2016, 2017 and 2018 (data in 2018 is forecast)

To sum up, the Internet mobile phone film market is growing steadily, and most people still stick mobile phone films, which has not been affected by the useless theory of film.

The data from Tmall in January showed that the sales of tempered glass film accounted for 59.4% of the total sales, and the data from Taobao in January showed that tempered glass film accounted for 80% of the total sales. It was concluded that most people would still choose tempered glass film to buy.

Mobile phone films are mainly made of pp, pvc and pet. Among them, pp has poor light transmittance and can’t play a protective role. pvc is soft, but some thick light transmittance is not very good. Pet has high light transmittance, no residual glue when it is torn off, and it is not easy to appear small bubbles. The technical terms are too unfriendly. The author will turn on the speaking mode below, so don’t get excited.

There are all kinds of mobile phone films in the search market, such as toughened film, frosted film, blue film, anti-peeping film, ultra-thin transparent film, etc. It is really difficult to list them all. The author selected several most representative mobile phone membranes and tested them.

Quality evaluation of four different mobile phone membranes

The first paragraph: tempered glass HD film

Is it necessary to film the mobile phone? You have been cheated for so many years.
Toughened glass HD film

This high-definition tempered film, when compared with the other three films, is indeed better than the other three high-definition. When tested on the mobile phone, it is found that the high-definition is true, and its influence on the screen display of the mobile phone is extremely subtle and negligible.

Is it necessary to film the mobile phone? You have been cheated for so many years.
From left to right, the third one is high-definition tempered film.

Compared with the yellowing phenomenon of the leftmost and rightmost mobile phone films, the high-definition toughened film performs very well. The test results show that it is basically indistinguishable from the film pasted on the mobile phone.

The second paragraph: blue film

 

Is it necessary to film the mobile phone? You have been cheated for so many years.
Blue light film

Blue light is a kind of visible light, with short wavelength and high energy, which can directly penetrate the lens and reach the retina, resulting in deepening myopia and visual fatigue, which is not conducive to normal sleep.

After testing, the blue film of mobile phone does have a certain anti-blue effect, but the effect is not very good. If you really want to prevent blue light, the best way is to wear anti-blue glasses or turn on the anti-blue mode that comes with the mobile phone.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Is there any contrast between anti-blue films?

The results show that the anti-blue film will distort the picture of the mobile phone, and the overall display effect will be yellow, which will cause disgust when used for a long time, especially when it is attached to the mobile phone with a white border at the bottom. Finally, I tore off this film.

The third paragraph: frosted film

Is it necessary to film the mobile phone? You have been cheated for so many years.
Frosted film

When the frosted film is held on the mobile phone for the first time, there will be a strong sense of resistance to it, because the outside world will look very blurred through the frosted material. However, after the film is attached to the mobile phone, it is found that the display of the mobile phone is very small and not as exaggerated as expected.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Look at objects through frosted film.

The main effect of matte film is that it can effectively prevent fingerprints from sticking to mobile phones, and it has only a little effect after testing. And it will affect the feel of the mobile phone sliding screen, and the sliding screen is more astringent than before after pasting.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Compared with not sticking a frosted film.

It turns out that the frosted film has little influence on the screen display of mobile phones, but it can also be seen that it has influence. And the test shows that the frosted film can effectively reduce the viscosity of fingerprints, but the effect is not obvious, and it is not easy to distinguish the difference under normal use.

Paragraph 4: Anti-peeping film

Is it necessary to film the mobile phone? You have been cheated for so many years.
Anti-peeping film

After testing, the anti-peeping film is very effective. After testing, only a range of about 90 can clearly see the contents of the mobile phone. For students who often squeeze the subway but don’t want to be peeked at by others, this is indeed a very useful artifact. However, after sticking the anti-peeping film, the brightness of the mobile phone will be lower than before, the overall screen will be dark, and the thickness of the mobile phone will be increased.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Contrast before and after film pasting

The test results show that the anti-peeping film can effectively prevent others from peeping, and will not affect their own use. Under normal use, there is no situation that the screen cannot be seen clearly.

Should I film it — — The final decision has come.

The author comes to the conclusion that, for the mobile phone a long time ago, due to the technical limitations at that time, the anti-falling ability of the mobile phone screen was really not strong. However, with the continuous upgrading of the mobile phone screen, especially the emergence of the new generation of the industry-leading Corning Gorilla mobile phone screen, the anti-falling ability of the mobile phone screen in flagship machine is very strong now, and most of the film pasting publicity is a problem left over from history, which is the seller’s consumer guide. In fact, in many cases, it is not necessary to paste the mobile phone film.

From the point of view of preventing the mobile phone screen from being broken, cheap and inexpensive mobile phones belong to the type with high cost performance, and you can choose to stick a mobile phone film. flagship machine, which is a little more expensive, can use a relatively solid screen, which can withstand most of the falling. However, in order to prevent more serious situations, compared with the high price in flagship machine, I suggest buying a broken screen insurance is the best choice.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Broken screen insurance option

For the need of functional film, the function similar to the anti-peeping film is still very effective. As for the blue film, its effect is not obvious. It is recommended that you wear blue glasses when facing the mobile phone and computer screen for a long time, especially for mobile phones with Night Shift function similar to iPhone.

Data from Corning official website show that:

A recent global consumer survey in Toluna shows that people drop their mobile phones seven times a year on average, and more than half of them fall from a height of 1 meter or less. In order to further improve the durability of cover glass, Corning scientists have developed, designed and tested brand-new materials to meet the challenge of repeated falls.

In the laboratory test, the sixth-generation gorilla glass can withstand an average of 15 drops from the height of 1 meter to the rough surface, which is twice as good as the fifth-generation gorilla glass. Under the same test conditions, other competing glasses, such as soda-lime glass and aluminum-silica glass, were damaged when they first fell.

Is it necessary to film the mobile phone? You have been cheated for so many years.
Corning gorilla screen

Summary:   

The author predicts that after the continuous improvement of mobile phone screen technology, I believe that the market of mobile phone film will be greatly reduced in the near future. After all, mobile phones without film are more comfortable to use. Finally, it is also suggested that the purchase of mobile phone films should vary from person to person. There is no mobile phone film that is excellent in everything. It is the wisest to choose the most important demand.