Party A asked for colorful black. I removed the back cover of Android machine and gave it to him

In front of Party A's request, Party B looks like a stupid straight man in love. Even if he thinks the other party is a bit unreasonable, he should find his own mistakes. However, it has to be acknowledged that every modification opinion of Party A exudes the flavor of traffic and data, and Party B has to doubt whether it is not enough practice if it cannot get through. Having seen dozens of revisions but using the first draft is the father's aesthetic return to simplicity.

Qualified Party B's advancement is accompanied by scratching one's head and scratching one's cheek. Every night when Party B struggles for copywriting, Party A is also accompanying you to lose your hair. However, what we can't fully understand is the tone and feeling that Party A wants. Aesthetics and typesetting are not important, and conventional Chinese words are not enough to describe it.

After thinking for a long time, maybe the answer of lost Party A is hidden in the back shell of Android.

Why not Apple? Although Apple has launched various large-scale iPhone Plus， There are also big screens, double cards, Tuhao Gold, etc. The technology veteran Apple has offered too many special products in China, but the color is slightly conservative. IPhone 5c and iPhone XR Although there are many colors, capitalism obviously can't give more.

（ iPhone XR The multiple color matching of is reminiscent of the iPhone 5c, and the picture is from Apple's official website)

01 Android camp rising on the glass shell

The color is gorgeous, but also Huawei. The gradient back case is not Huawei's first creation, but its strong brand carrying capacity makes Huawei take customers as the main force. The gradient back case, like Huawei's powerful photography technology, becomes another business card.

After opening the official website of Huawei, we have to admit that our understanding of color is so shallow mobile phone The humanistic atmosphere was so blind. Each name of "Sakura Pink" and "Midsummer Purple" seems to contain a love story.

If all kinds of gradient colors focus on the color of the glass shell, then the main elegant low-key is another idea. The glass material can still polish the metal texture, and the feeling of holding hands is not obscure at all, but the flash of light under the change of light still reveals the ambition in the color field.

One plus 7 Pro The back shell gives a deep and advanced feeling

However, there is not much mystery behind the dazzle technology, and the increasingly convergent mobile phones are encouraging manufacturers to differentiate on the back. How similar can the front face be? Even if all the straight men can collectively identify the export red number, they can't just look at the front to identify the mobile phone brand.

As an outstanding representative of the fade color class Huawei P20 For example, the back shell of aurora color adopts magnetron sputtering coating technology. In a word, The optical coating is stable and accurate. The thickness and number of layers of the coating on the glass differ by nanometer, which has no effect on the grip. However, under different light angles, the mysterious aurora color is achieved 。

02 The Decline of Metal Backshell

The replacement of metal material by glass back shell is due to the better interpretation of color by glass, as well as many technologies such as ribbon transfer and dye gradient, which can make the glass back shell dazzling, colorful and beautiful. The colorful color on the back shell is the soul of the flagship machine, and the mobile phone shell is undoubtedly an affront to the popular color system. Remove the phone case The beauty of the glass back cover is beautiful. You can't avoid crazy diving once you touch the fingerprint In the color revolution of the back shell, the metal back shell of the previous generation is reminiscent.

Compared with the whole glass, metal has the advantages of lighter weight, easier processing and higher hardness. In particular, the aluminum alloy material widely used in the metal back shell iPhone7 Ceramic texture has also evolved in the series. But after all Problems such as scratching off paint make the metal back shell not so durable. The most fatal problem is the impact of metal materials on communication signal transmission 。

Electromagnetic shielding prevents the possibility of wireless charging of mobile phones with metal back cases; Limited by the processing process and cost, the metal back shell has basically said goodbye to the back fingerprint, which is exactly the advantage of the glass back shell. The product renewal cycle is like the last bus in the late night, and the metal back shell obviously has no time to catch up.

03 The plastic material has never left

Before the history of metal back shell, it is naturally plastic. The lightweight holding feeling is the ultimate goal pursued by mobile phone manufacturers. Polycarbonate is every person who has experienced the era of Nokia and Motorola's full understanding of plastic body. Whether it is sanding treatment or carving lines, plastic is obviously easier to handle, and it is easier to give color, but also to get rid of the cheap feeling of the material itself.

Today, plastic is still used in various mobile phone entry models. Although there is a cost consideration, lightness is still the most basic demand for mobile phones as a plaything between palm sizes. However, the glass body with large battery, together with increasingly advanced zoom camera module, has surpassed the whole weight of the mobile phone 200g , especially iPhone XS Max Then put on the mobile phone case, and the "half a kilogram of fruit" bricks in hand, not only to pull wind but also to defend yourself.

04 Where will the back shell go in the future

Make a bold prediction. It is obvious that the mobile phone can no longer be re used. After all, it really hurts to hit your face when you sleep and play with your mobile phone at night. However, the upcoming 5G network will definitely require the signal transmission capability of mobile phones, and wireless charging is the current trend, so metal materials will obviously not be re enabled.

After the wave of "color" in the glass back, the development direction of double-sided screen appears again. Another screen is added to the glass back, such as vivo NEX The dual screen version is also a new attempt.

    The secondary screen on the back is very recognizable

In addition, Xiaomi has explored the ceramic fuselage, but the rigorous manufacturing process is doomed to its mass production; Both carbon fiber and bamboo materials have been tried by mobile phone manufacturers. Considering the snap on structure adopted by most mobile phones at this stage, for the above two materials, the groove with fine size is an insurmountable difficulty in production.

It is not impossible to replace glass with plastic before the new battery technology is conquered. The plastic material is easy to be molded and colored, which also means that it has more possibilities. However, we can see that the gradient color and curved screen elements are now applied to the flagship models. Beauty is fluid and diversified, and gradient color is the "advanced" selected by manufacturers who currently hold the right to produce. If one day the plastic meets with new technology, the portable incarnation is advanced, will you pay for it?

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