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Taiwan's sapphire substrate factory said that it has indeed heard this rumor. However, the current production capacity of sapphire large-scale introduction of 5-inch mobile phone protection cover is still insufficient, but the Apple Watch, which will be launched in 2015, is the first to introduce sapphire material. After that, it is expected that the sapphire application will be greatly expanded to the sea.
The sapphire substrate factory pointed out that as the LED industry is in the traditional off-season in the fourth quarter of the next season, it seems that the demand in January 2015 is still relatively weak. It is expected that the Lunar New Year will be gradually upgraded around the Lunar New Year, in line with the growth of LED lighting in 2015. Fast, the original sapphire LED market is not weak.
And with Apple Watch expected to launch, brand manufacturers interested in following up are gaining momentum, and market demand in the second quarter is expected to increase significantly.
As the smart phone brand factory focuses on product differentiation, the sapphire protection cover has also become a hot topic in the market in 2014. As the market expects that the iPhone may introduce a sapphire cover, in early 2014, the Japanese manufacturer Kyocera and the US telecom operator Verizon It has cooperated to launch the first mobile phone model with the first sapphire protective cover.
Kyocera sapphire uses its own products. Subsequently, mainland mobile phone brands Vivo and Huawei have also launched smart phones with sapphire covers. However, the market has once again spread, and Xiaomi 5 will also adopt sapphire covers.
It is rumored that Xiaomi has recently been pressured by the mainland brand Meizu to catch up. In order to regain a city, it is speculated that the Xiaomi 5 flagship model will adopt a 5.7-inch screen, and the panel resolution reaches 2K. The protective cover may even introduce sapphire. As a topic.
Previously, the Korean sapphire supplier received Xiaomi's request for accelerated supply to cooperate with the delivery schedule at the end of the year. However, according to Xiaomi's 2014 mobile phone sales target of 60 million units, Xiaomi 4 caused 2014 due to insufficient initial capacity. In the third quarter of the year, shipments were lower, but the estimated shipments of millet 4 in the fourth quarter were 19 million units. If the millet 5 is covered with sapphire protective cover, the existing sapphire capacity may be difficult to cope with. It is expected to be available in limited editions.
The size of the smartphone is constantly enlarged, which does not cause productivity difficulties for the existing tempered glass. However, the sapphire is manufactured by artificial crystal growth. If the crystal column is to be cut into a protective cover of the size and thickness of the mobile phone, the volume of the crystal column needs to be enlarged, not only The growth time is elongated, and the growth rate of the crystal column is also reduced. In addition, the processing and cutting technology also needs to be changed, the difficulty is greatly increased, and the cost is bound to remain high.
In addition, although the material properties of sapphire have advantages in surface hardness, but the brittleness is high, the test for bending resistance cannot be compared with the tempered glass, and it is difficult to match the requirements of traditional burrowing and diating. The industry believes that the sapphire material is imported into the mobile phone. Protective glass still has concerns about the use characteristics. 
Although the Apple iPhone 6 series is not as expected, using sapphire as a protective cover, the heat of sapphire into the smartphone is cooled, but recently the new 5.7-inch millet 5 flagship phone may use a sapphire protective cover. And published at the 2015 CES Exhibition.