Does your phone really need a foil?

In the introduction of some mobile products, it is often mentioned that they use a certain brand such as Corning Gorilla cell phone glass, as if the cell phone glass as its own product highlights. So what do they say about cell phone glass? In fact, this cell phone glass refers to the phone screen and touch screen on the lens, mainly to the screen and touch screen protection. For most products, this layer of lenses are made of glass material, so handset manufacturers call them cell phone glass.

More than 6 mo hardness, cell phone glass is actually very hard

Cell Phone Glass is the first hurdle to protect the screen.

As a mobile phone glass, it is not a piece of ordinary glass, taking into account the volume, weight, touch and light and other aspects of the requirements, The thickness of the cell phone glass is generally controlled between 0.5mm and 2.0mm, the surface must be very smooth and smooth, light transmittance performance, the overall must have a certain toughness, under pressure will not appear cracks, and the Mo hardness at least 6 or more, so as to ensure that the phone glass has enough surface strength, wear-resistant is not easy to scrape flowers.

Different levels of Mo's hardness represent minerals

What is the hardness of Mo? The MO hardness is 1812 by the German Mineralogy Moss first proposed that the MO's hardness has made the definition to the natural mineral and the common synthetic product's hardness in the nature. In the hardness of the hardest material is the hardness grade of 10 diamond, and the lowest hardness is graphite, hardness level of 1, these two substances are natural minerals in the highest hardness and the lowest hardness. The hardness of glass in the hardness level of 6, processed mobile phone glass general hardness level of 6 or more, such as Corning Gorilla Glass of the Morse hardness can reach level 7.

Need to mention is, in addition to glass material, some mobile phone glass will also use acrylic material, but compared with the orthodox glass material, acrylic in the wear-resistant ability to a lot lower, even after the surface hardening treatment, its MO hardness grade is probably between 5 and 6, lower than glass material, but the cost is lower, And toughness is better than glass material, not easy to break, so the acrylic material of mobile phone glass most used in low-end products, this time we do not carry out in-depth discussion.

With cell phone glass still need foil?

We already know that cell phone glass exists to protect the phone's display and touch screen from damage, but its own is not indestructible, even if the level of higher levels of hardness products, the use of a long time there will always be some accidents, so many players to the mobile phone glass affixed with a protective film to protect the cell phone glass.

However, the practice of sticking protective film will have some influence on the transmission of the glass and the feel of the mobile phone. So some of the high-end mobile phone glass publicity will be mentioned "no need to film" this point, and in order to make their propaganda more convincing, they will often take out the key or even the knife in the phone glass cutting, When you see the use of keys and art knife carved without leaving traces, it is believed that the glass is really wear-resistant, no film.

However, after a long time, these high-end mobile phone glass is still inevitable small scratches, many users at this time will be greatly heartache, with the film to "Mend." In fact, this kind of wear-resistant glass demonstration does not have strong persuasive, the key and the knife is hard, But their level of Mo hardness is about 5.5, while the high-end mobile phone glass most of the glass material, ordinary glass of the MO hardness is basically in the level of 6, the original key and the knife will be difficult to scratch ordinary glass, not to mention the strengthened cell phone glass.

Therefore, this demo can only show that the glass material of the mobile phone glass than the strength of the cell phone glass has a better wear-resistant, because the acrylic material cell phone glass is more than 5 degrees of hardness, will be the art knife or key metal objects such as scratches. Then what is it that can make Morse hardness in 6 or more of the cell phone glass damage?

This quartz sand is the bane of cell phone glass.

The existence of this substance in our living environment, called quartz, this is an inorganic mineral, the main ingredient is silica, is the most widely distributed in the nature of a mineral, but also widely used in a variety of industrial products, small to a handful of dust, large to every corner of the world, there will be quartz or quartz particles exist. In the Mo-type hardness, quartz hardness level of 7, such hardness enough to the cell phone glass caused scratches. When our clothing pockets or bags, purses mixed with quartz particles of dust or sand, it will inevitably damage to the cell phone glass.

So, again good cell phone glass is not completely do not need to foil, when the environment is relatively poor, dust more, to put a protective film on the phone is still necessary. Of course, the film or not is the user's own will, there is no mandatory requirements.

Production of cell phone glass

Cell phone glass production can be divided into material cutting, grinding, strengthening, electroplating and many other processes, for some high-end cell phone glass, they are more in the raw materials to achieve improvements, production methods may be different, but the approximate process is basically the same.

First, manufacturers will be mobile phone glass raw materials in accordance with the "larger than the size of the finished product," The requirements of cutting, this process called "open material", after the components will be finished in accordance with the final product specifications for trimming, coarse grinding, polishing and other precision treatment, some products even need to open hole carving, finished and then to strengthen and coating treatment, So that the surface strength and overall toughness of the glass to achieve the final finished product requirements, in the cleaning and packaging can be shipped behind.

Type of cell phone glass

We already have a general understanding of the requirements and the production process of cell phone glass. So now there are many types of mobile phone glass? If from the brand and material, this estimate to be divided into many kinds, but from the integration level, we can be divided into two kinds, one is the integration of the touch screen ogs cell phone glass, the other is the ordinary cell phone glass.

In understanding the two kinds of glass before we talk about the structure of mobile phone screen, the current mobile phone screen can be divided into three parts, respectively, cell phone glass, touch screen and display screen, in which the phone glass and touch screen is close together, and then combined with the display. And the mobile phone glass/touch screen and display of the combination can be divided into two ways, one is the frame fitting, is simply the mobile phone glass/touch screen and the four sides of the display screen fixed, this is the current mainstream mobile phone screen fitting way, its advantage is the process is simple, low-cost, but because of mobile phone glass/touch screen and display between the gap , so the light will appear multiple refraction, the quality of the phone will have a certain impact.

And the other way to combine is a full fit, mobile phone glass/touch screen and display seamless fit, forming a whole, so that not only the number of light refraction decreased, the thickness of the phone screen is also controlled, and because the phone glass/touch screen and display between the gap, dustproof effect better.

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In the full fit screen, the In-cell, On-cell and ogs three technology products are the most lightweight, where the In-cell screen and On-cell screen time touch screen integrated in the display, cell phone glass in a fully fitting way with the display, The OGs screen integrates the touch screen on the phone's glass. And these three kinds of full fitting technology products, OGS technology is relatively simple, but it has a larger disadvantage, once the cell phone glass unfortunate rupture, integrated in the inside of the touch screen is likely to be damaged, and the probability is very high, in contrast, the common frame of the product or ic-cell/ On-cell technology products, because the cell phone glass and touch screen is independent of the two parts, so the glass damage, touch screen may not be with the fault, if necessary, can be used for some time.

Who else but the gorilla? Introduction to the famous mobile phone glass

At present, mobile phone glass is more famous in the market is mainly Corning Company's "Gorilla (Gorilla)" Glass and Asahi AGC Company's "Dragon Track (Dragontrail)" Glass, of which the Gorilla Glass belongs to sodium silicate glass, and the Dragon trace glass belongs to silicic acid aluminum chemical tempered glass, The two representatives are the Apple iphone series and Sony's Xperia Z mobile phone.

The table set up the current use of the Gorilla Glass and the most popular mobile phones, we can see the Gorilla Glass camp accounted for the majority of dragons, although not lost to the Gorilla Glass, but as an up-and-comer, the current size can not be compared with Gorilla Glass. It should be noted that there are many manufacturers have not disclosed the specific use of their products which kind of glass, such as the very popular millet, millet 2 and Millet 2S did not release the specific mobile phone glass model, but there is news that they are using the Dragon trace Glass. In fact, most of the high-end mobile phone is not using Gorilla Glass is the Dragon trace Glass, we do not need to worry about their cell phone glass quality.

Gorilla Glass

Corning Gorilla Glass, formerly known as the world's largest glass supplier, Corning's specialty bulletproof glass, has made the bulletproof glass thinner in 2010 by improving technology to suit small-size products like smartphones. The first generation Gorilla glass thickness is relatively uniform, with 0.7mm to 2.0mm of different specifications. The second-generation Gorilla Glass, which was launched in 2012, is 20% lower than a generation of products, and enhances toughness, so the gorilla 2-generation glass is not only strong enough, but also more frivolous, even if vigorous press does not appear fragmented.

After a study of the atomic structure and adhesion properties of glass, Corning introduced the third generation of Gorilla Glass, making the product more difficult to crack and scratch. It is alleged that the Morse hardness of 3-generation glass is theoretically up to 9, so only diamonds in nature can cause damage. Of course, given the many factors, the final product may not reach this level, but Corning says the gorilla 3-generation glass can reduce the apparent scratch rate by 40% and increase the screen's ability to resist damage by 50%.

Dragon Trace Glass is the world's second largest mobile phone glass manufacturers Asahi AGC Company's products, its main rival is Corning's Gorilla Glass. The Dragon Trace Glass belongs to the aluminum silicate chemistry strengthens the glass product, is used in the TFT liquid crystal glass substrate before the factory in the manufacture of the manufacturing process, the use of special solution immersion, through the glass material and solution between the sodium and potassium ion exchange, forming a compressive stress layer on the glass surface, thereby enhancing strength.

The strength of the Dragon trace Glass is 6 times times the ordinary sodium-calcium glass, the thickness can reach 0.28mm, can withstand the static pressure equivalent to 60kg, even if from the height of 6m fall will not be fragmented. In terms of the parameters, it is better than the first generation and even the second generation of Gorilla Glass, so in many high-end mobile phones will use the Dragon trace glass, especially Sony's Xperia series of products especially favorite.

In the end, we remind you that good quality cell phone glass, in essence or a piece of glass, the face of dust and sand is not indestructible, so unless you really care about the screen picture and feel, otherwise it is still more to spend some time to put a protective film on the phone glass bar! If you don't bother to do it yourself, do you have any ancestral stickers? ?