Perhaps no one thought before this, the first to achieve 'true comprehensive screen', turned out to be OPPO, vivo two in many people's traditional impressions, and there is not much overlap with innovation manufacturers. In everyone think 2018 The mobile phone circle should be thoroughly calmed by the 'Liu Haiping' rule. The appearance of Find X and vivo NEX is like throwing a stone into the calm lake, and it is a circle of ripples.
Everyone wants a cell phone that is in his hand and is all-glass on all sides, isn't it?
▲ Pioneer on the borderless road: Nubia
The history of people's competition with the screen starts from the border. Before the concept of 'full screen' was invented, it dominated the 'narrow border' at that time. The reason why the screen can be displayed is because the internal power of the mobile phone drives the screen IC. Applying voltage stimulation to the liquid crystal in the screen, the deflection produces points, lines, and surfaces. However, the liquid crystal in the screen has a certain fluidity, so part of the screen frame is used to prevent the screen liquid crystal from leaking out, and also to ensure that the screen does not leak light. Situation, etc.
Due to the advancement of technology, people are gradually dissatisfied with narrowing the width of the frame, and they are also thinking about the forehead and chin of the previous 'indispensable'. For the various sensors on the forehead of the fuselage, there is now a set of comparisons. A complete and concealable solution, and to be truly 100% 'full screen', 'chin' is the key.
In the traditional mobile phone, in addition to the exposed display area, a part of the driver IC and the screen cable are extended, usually arranged in the 'chin' of the body. To get rid of the 'chin', the screen needs to be technically The driver IC and the cable are solved, which requires higher screen packaging technology, which is the two most commonly used packaging technologies for full screens: COF and COP.
The COF package refers to packaging the driver IC under the screen onto a flexible circuit board, which can be folded to the other side of the screen, and can continue to leave a gap of about 1-1.5 mm. And if an AMOLED flexible screen is used, for the COF It will be a little easier, and the LCD material uses the COF process, which has a greater challenge on the design of the screen backlight module. Therefore, we can see that the Vivo NEX adopts the AMOLED screen in the COF package to achieve the purpose of narrowing the screen chin as much as possible.
But even with COF technology, you still need to leave a place for the soft board. So if you want to make a real full screen on the screen, you need to fold back the part that the COF package can't fold back. Just the OLED screen. The substrate material and the flexible circuit board are made of Pi film, so the terminal area under the screen can be directly folded back directly to the back of the screen by flipping. Make a true full screen. This package is called COP. Currently only iPhone X and OPPO Find X do.
Camera that can't be opened
After completing the upgrade of the screen technology, the rest is to eliminate the components on the 'forehead' of the traditional mobile phone. At present, for the traditional distance sensor, the handset has a relatively mature hidden method, only the camera is a circumvention. Therefore, vivo Both OPPO and OPPO have adopted the goal of hiding the front camera by adding mechanical structure to complete the 'last mile' of the full screen.
In the evolution of mobile phones, the mechanical structure is not a novel design. From the initial definition of the mobile phone's 'slidable' mobile phone, through a simple and simple slide rails and springs and buckles, you can make a mobile phone screen The mechanical structure of ascending and descending. In the era of intelligent machines, the mechanical structure has become more advanced. OPPO N1, N3, firstly using the mechanical structure driven by the motor, the rear camera can be reversed. However, the thickness of the main camera module And as the front-facing camera becomes better and better, this alternative design becomes unnecessary.
Vivo NEX realizes the front camera lifting through the 5mm micro-bubble motor, which makes the module automatically rise when the front camera needs to be called. The precise control algorithm behind the mechanical mechanism makes the transmission and buffering in the limited space of the smartphone. Implementation of the function;
OPPO Find X's dual-track periscope structure is the pop-up of the middle structure of the entire mobile phone sandwich structure, including front and rear lens, flash and 3D structured light module.
Although their implementation is not the same, but under the current limited technology, the mechanical structure is used to reduce the occupation of the screen by cameras and other modules, and to achieve a more radical attempt to make a comprehensive screen.
The future has come?
▲ Is this the future you want?
The law of technological product evolution is like art, but also 'less but better' Higher technology should be made with less sense of design. For example, the fingerprint unlocking module that once occupied the front or back of a smartphone has now been 'revolved' through screen fingerprinting technology. The more advanced products, there must be an industrial design scheme that will do 'subtraction'.
Therefore, compared with the current vivo NEX and OPPO Find X to add mechanical structure to the mobile phone to install the camera's 'addition', the future mobile phone must be a 'subtraction' scheme, it is likely to use a transparent screen, the camera, etc. The device is placed at the bottom of the screen to achieve a true 'full screen' without realizing the screen surface area while achieving its normal function.
With the development of core component technologies such as screens and CMOS image sensors, this kind of solution to achieve 'full screen' through transparent screens also has a realistic basis. First, transparent Oled displays of various specifications and characteristics have been used. Manufacturers have created that the display screens in sci-fi movies have come into reality; secondly, the smaller, more advanced CMOS image sensors needed to embed the front camera under the transparent screen have also been introduced.
The next problem to be solved is the transparent screen, the smaller front camera, the screen fingerprint module, and even the 3D structured optical module. The design of the internal space of the mobile phone. Once there is a good solution, with a transparent screen, The screen fingerprint, the hidden front camera under the screen is more like the future mobile phone's 'full screen' mobile phone will be manufactured. Or, when the flexible screen can be bent freely to the commercial day, even you carry it with you Smart devices, not necessarily mobile phones, are not known.
Why are they both?
For OV, we are more familiar with the blue-green logo in the streets and lanes. What is more familiar is the title of variety show, strong marketing... often makes us look at vivo, OPPO and its products, even back. To the question mentioned at the beginning of our article: Why is it?
Maybe this is just a way to express surprises. It is not malicious. But it is undeniable that we have put on colored glasses to look at things. It is accustomed to vivo is what we think of vivo, OPPO is what we think of OPPO. In the past few years, the accumulation of technology has enabled the two to achieve 'thickness and thinness'. The X series alone, the R series is not enough to support the thickness of the two brands, in the same period of the consumer and the market requirements, vivo NEX and Find X also appeared in front of us at the right time.
Although for vivo NEX, OPPO Find X, I don't want to say 'the future has come', because I don't think that a comprehensive screen will be the way to develop a mobile phone by adding a mechanical structure; but they still Deserved respect, OV is like 'external branching' on both sides of the 'skill tree' trunk of the mobile phone development, but the courage of this exploration brings a refreshing feeling to the mobile phone market.