What is the difference between the past and present of iPhoneX/iPhone8 black technology? Wireless charging, OLED, AR and machine identification

On the morning of September 13th, Beijing time, there were already many fruit powders to witness the classic moment of the 10th anniversary of the iPhone. After Cook took over Apple, the iPhone became bigger and added many new features that the average consumer expected. However, in this process, there is no shortage of “fruit powder” criticizing the iPhone for lack of new ideas: Qualcomm fast charge program has evolved from QC2.0 to QC4.0, but the iPhone has been a constant 5V1A “slow charge”, and some people even suspected three defenses. The function is also a function that was added to the Samsung S7 edge. On the other hand, Android camp vendors have been experimenting with various novel concepts over the past few years, from hyperbolic screens to full screens, from voiceprint recognition to pupil recognition...

This Apple conference finally gave the fruit powder a sigh of relief: "We are all looking forward to it!" From this point, we can easily see how savvy Apple is. In the past, I got consumer-recognized selling points on Android phones, and now I have added new brains.

So where do these new selling points of Apple come from? We are now fully traceable to the past and present of this iPhoneX technology.

Black Technology One: Full Screen


When the first generation of Xiaomi MIX was released, many “rice noodles” had already exclaimed the screen ratio of 91.3%. Xiaomi MIX's first generation of products can be called the "wave creator" of the full-screen craze, and can also be called the "first full-screen mobile phone" - but with the word "domestic".

Because readers who have a little research on mobile phones are definitely familiar with Sharp's "Crystal" series of mobile phones. The Sharp AQUOS Crystal, released three years ago, is the true full-screen ancestor. At the time, the phone was only sold in Japan and later entered the US market. As for the Chinese market, it was not seen.


Sharp AQUOS Crystal

Like the Xiaomi MIX, it places the front camera on the bottom of the phone. The biggest problem with the camera placed at the bottom of the phone is that when you take a picture, the general grip is a vertical shot. For those who like to take a selfie, the inconvenience is self-evident - "Looking at the face is big (the face is small). The second generation of Xiaomi MIX still puts the front camera on the bottom in pursuit of the extremely narrow "forehead", and the sharp return to China by the comprehensive screen concept is smarter this time, putting the front camera back to the forehead. As for whether this practice is superior or inferior, it is not praised. However, in this case, in order to pursue the narrowest forehead, both Sharp and iPhone use the opposite sex screen - put the camera into the area that is usually displayed.

Although they are all shaped screens, Sharp still uses the LCD screen, and the iPhone X finally uses the OLED screen - like the SUPER AMOLED screen used by Samsung phones, this screen has been on Samsung's recent mobile phones. Received recognition. The biggest advantages of OLED screens are low power consumption, high contrast, fast response and light weight. For mobile phones, the internal space of the fuselage is “insize”, and the power consumption is also the same.

The OLED screen is the best choice for mobile phone screens in any dimension. At the same time it has a very high contrast ratio - in short, it makes the black display more pure, just like there is no light on the phone screen.


The camera is still located below the millet MIX2

The problem, however, is that the OLED screen process is more complex than traditional TFT screens, and the yield is low, especially for small screens. There are very few mobile phone manufacturers using OLED screens on mobile phones. Currently, mobile phone manufacturers using OLED screens are only Huawei, Jinli, OPPO, Vivo and a few.

Even if you get the OLED screen supply, the training is also a big problem. Another big feature of OLED screens is the wide color gamut, which is wider than the LCD screen used by the iPhone 7. Therefore, when the iPhone user changes to a Samsung mobile phone, the first reaction to the screen is “too bright”. The professional point is that the color saturation is high, causing the eyes to be unaccustomed. How to tune the OLED screen so that it can accurately reproduce each color?

For mobile phone manufacturers, this is a new challenge. Last year, the same mobile phone with OLED screens added 3 in this respect - "The price/performance and experience are great, but the display has become its only short board." Many media commented.

In terms of color display, Apple has always been recognized by many designers. On the iPhone 7 last year, the new color gamut standard DCI-P3 was introduced, which is a widely used display technology in the film industry. With the foundation of the new gamut standard last year, although the color management system was only mentioned in the color management at the press conference, the iPhone, which has always been proud of the screen color reproduction degree, is using the OLED screen. There should be no problems with the color standard.

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