Popular science post: something about borderless mobile phones
Popular science post: something about borderless mobile phones

In my impression, the first time I heard the word "borderless" was Before the official launch, there was a rumor that the next generation iPhone would be a borderless phone. Although it was proved that it was not, the concept of "borderless" still attracted a lot of attention. Including Meizu just released last night Its 3.15mm "narrowest border in the world" has not only become the title of many media, but also triggered controversy on microblog:

In addition to being more beautiful, the popularity of the concept of "borderless" has something to do with the growing screen size of smart phones. The current mainstream model of Apple iPhone 4/4S, the 3.5-inch screen did not feel anything two years ago, but now it is a little less impressive compared with the larger and larger Android.

It is said that one reason why Apple chose the 3.5-inch screen is that the 3.5-inch screen is most suitable for single hand operation. Later, although the iPhone 5 was upgraded to a 4-inch screen, Apple's approach was to lengthen the screen without changing the width of the screen, and users could still flexibly control it with one hand. and The system pays more attention to the improvement of user experience from the large screen. At the same time, the extremely narrow border design and even the "borderless" design can enable the phone to display a larger screen area in the smallest possible size, and achieve balance without affecting the user's grip and operation.

However, the "borderless" we generally say is not borderless, but as narrow as possible, which is determined by the following three factors:

  • At present, most mobile phone screens use LED displays, and the liquid crystal material of LED does not emit light itself, which requires the illumination of the light source on the back of the liquid crystal panel to emit light. To prevent light leakage, the mobile phone screen must have a frame;
  • The touch control board of the capacitive screen has a circle around the screen to locate the wiring and components of the sensing circuit for touch, and a frame must cover these components. Unless there is a new process to remove or remove the wiring on both sides, the frame will still exist;
  • The glass is characterized by high hardness and low brittleness, which is easy to break when the edge is hit. The phone frame can not only effectively protect the glass screen, but also play an aesthetic role.

Nevertheless, we still see the "borderless" design on various concept machines:

1. A foreign designer named Andrew Solesbury (personal website: )The frameless and transparent mobile phone and tablet are designed. These two devices use augmented reality technology. The screens on the mobile phone and tablet are 3D screens, and images can be seen without glasses.

2. Foldable concept mobile phone designed by German designer for HTC:

3. The rumored Samsung borderless mobile phone Galaxy B

4. iPhone borderless conceptual design

5. Spy photos of Motorola's upcoming borderless flagship model

6. The last one: "Concept map of the next generation Meizu mobile phone" produced by netizens

It can be seen that "borderless" design has become a trend, but due to the elements of process manufacturing, it is impossible to achieve borderless design in the short term. However, it is said that Samsung is developing a bendable OLED screen, which is expected to be launched in 2017. If the problems of light source and cable arrangement can be solved by then, frameless phones may really appear in the next few years.

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