Super anti-fall mystery - flexible screen science

Moto released the Droid Turbo 2 generation yesterday. The shape of the machine continues the thick and tough style of Moto since the V3 blade era. The pure metal frame and the back cover of the leather/ballistic nylon also demonstrate its top business machine. Identity. In addition to the favorite appearances of successful people, the biggest highlight of this machine is the Shatter Shield technology that Moto has devoted to develop for three years. It claims to have a unbreakable screen. The conference site has repeatedly demonstrated its superior anti-hit ability. In order to publicize, it can be described as mad. At the same time, Moto also promised to provide a four-year broken screen warranty service, showing that Moto has full confidence in the screen's shatterproof performance. So what is Droid Turbo 2's so powerful anti-fall? We need to start with this screen structure with Shatter Shield technology.


The shatter-proof screen adopts a five-layer structure. The outermost two layers are protective glass, and the inner layer is a touch screen and a flexible AMOLED display panel. The bottom layer is an aluminum alloy bottom plate that strengthens the overall strength of the screen.


External protective glass - high-strength protective layer to prevent scratches and wear.

Internal protective glass - high transparency of the anti-fragmentation glass, the hardness is relatively low, but the toughness is better, to prevent the occurrence of fragmentation.

Double Touch Layer - Prevents the touch screen from being touched due to bumps. A two-layer touch sensor is used.

Flexible AMOLED Display Panel - A flexible flexible display panel that absorbs certain buffers.

Aluminum alloy bottom plate - a solid metal bottom plate can increase the overall strength of the screen and increase durability.

In addition to super high overall strength, the biggest feature of this screen is the use of flexible display panels. When the mobile phone is dropped, the general mobile phone screen is hard and hard, although the hardness of the Gorilla glass is very high, but it is relatively brittle and relatively easy to produce fragmentation. The Moto screen uses a flexible AMOLED material for the inner layer. When the mobile phone encounters a bump, the flexible screen will act as a buffer and the screen will not be fragmented.


The flexible screen is commonly referred to as an OLED screen, ie, the organic light emitting diode in the above figure, compared with the complex structure of a conventional LCD screen, and the characteristic that the OLED itself emits light allows it to be independent of components such as a backlight source and a liquid crystal, and is more simple in structure. It can be mounted on a flexible substrate such as plastic or metal foil. Because of the use of a flexible material as a substrate rather than a rigid glass, it has a certain degree of softness in addition to being bent, and it will be distorted and deformed to absorb some of the vibration in the event of a collision, which is more advanced than the traditional LCD screen. obvious. The Shatter Shield shatterproof screen technology on the Droid Turbo 2 was developed based on this feature of the flexible screen.


In addition to improving crash resistance, another major feature of flexible screens is their flexibility. In recent years, Samsung and LG have displayed numerous bendable screens at major electronic fairs. Ergonomic design for mobile phones, wearable devices. In the past two years, with the increasing size of mobile phone screens, some brands of mobile phones have even reached 6 inches or more. Mobile phones are no longer a big dream. In addition to gripping and operating difficulties, such a huge mobile phone has become a problem even when it is put into the pocket of pants. How to improve the convenience of operation has also become a challenge.


At this time, the flexible screen has been used to a place, represented by LG Flex2 and Samsung Galaxy Round, the mobile phone itself has a certain degree of curvature, in addition to more can fit the palm to improve grip, the curved screen can effectively reduce the distance between the fingers The operating distance of the two edges.


In addition to mobile phones, flexible screens can also be used on smart watches, sports bracelets and other devices. Friends who have used this kind of product may know the difficulties of smart watches - the screen is too small to operate, and the screen is too large to wear and feel uncomfortable. The flexible screen is an effective solution to this problem. The curved body is more conformable to the curvature of the wrist, reducing discomfort, and without losing the display area. Fish and bear's paws can also be combined. Slightly regretful, nowadays, these curved screen products are mostly fixed angles and cannot be bent at will. However, with advancements in technology and the growing maturity of flexible circuit boards and flexible batteries, we believe that this day will not be too far away. .


In addition to mobile phones and wearable devices, TV is another battlefield for flexible screens. LG and Samsung have almost reached the battle for ambiguity. Almost every large-scale electronic show can see both curved screen TVs. Compared to flat-screen TVs, curved TVs can provide a greater viewing angle and provide a more realistic "surrounding" presence. In addition, the curved television is more in line with human visual construction features, which can eliminate the visual distortion on the four edges of the screen and make the visual experience more comfortable.


Flexible screens have so many advantages and a wide range of applications. The prospects for the future are immeasurable. Although it is subject to the current technology, we cannot mass-produce truly bendable products. However, with the maturity of technology and the gradual reduction of costs, we believe that in the near future, we can actually roll up the phone and stuff it into our pockets. .

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