At present, smart phones have entered the mature stage of industrial development. Domestic mobile phones have developed strongly and continue to remain in the first echelon. Full-screen and artificial intelligence have become the focus of development. The second echelon has intensified competition and manufacturers with weak follow-up development will be eliminated. The future development of the smart phone market will have the following aspects: 1. Full screen may become mainstream Full screen has become one of the main selling points of mobile phones in 2017. From iPhone X to Redmi 5/5Plus, the concept of "full screen" has penetrated from flagship phones to entry-level phones, with price coverage ranging from 800 to 9,000 yuan. From low-end to high-end, the full screen has basically gradually penetrated from high-end models to mid-range and low-end models in the fourth quarter. In the next 5 years, it is expected to become the standard configuration of smart phones (1000 yuan and above). The penetration rate of full-screen phones is expected to increase from 24% to more than 60% in 2018-2020. By 2020, the shipment of full-screen mobile phones is expected to reach 1 billion, and the compound annual growth rate in the next four years is expected to exceed 100%. Therefore, in 2018, as the complete solution of screen technology in the supply chain matures, the full screen will not be limited to the high-end machine market. 2. Curved screens and folding screens are beginning to take shape The flexible, light and thin characteristics of flexible screens give it more possibilities in product design, and it has become the vane of the entire screen manufacturing industry for a while. The subsequent development of curved mobile phone screens is only Samsung alone. Although Honor Magic and Xiaomi Note2 also use curved screens, they cannot be compared with Samsung in terms of magnitude. Samsung's revolutionary new product, the folding screen Galaxy X, which is being closely researched, is expected to be unveiled at the CES exhibition that opens on January 9, 2018 at the earliest. However, it is said that this product will be produced in limited quantities. The first batch will be only 100,000 units and will only be sold in Korea, while the global release will be postponed to 2019. Perhaps in 2018 we will usher in the peak of the full-scale development of curved screens, and folding screens will also begin to take shape. 3. Artificial intelligence has become the focus of the development of smart phones The development of artificial intelligence provides new development opportunities for smart phones. Voice recognition, computer vision and other technologies are applied to smart phones. From voice assistants, fingerprint recognition, to facial payment, smart home control, smart phones begin to bear more Human-computer interaction function. In recent years, iPhoneX and Samsung S8 have taken the lead in launching artificial intelligence mobile phones, opening the face ID era. Huawei launched the artificial intelligence chip-Kirin 970, which is carried in Mate10/pro/V10 mobile phones and supports AI smart eye recognition, AI high zoom and other functions. In the future, the combination of artificial intelligence and smart terminals such as mobile phones will be more intimate. While smart phones provide more styles of human-computer interaction, mobile phones as smart terminals and sensors can further dig into the user’s attributes and behavioral data, and transform the analysis conclusions into high-quality service feedback to consumers, thereby providing users with personality High-quality and intelligent services. 4. AR technology brings new development opportunities to smartphones With the release of AR development tools by Apple and Google, developers are encouraged to explore AR products, and high-profile Apple phones and Android phones have become new carriers of AR technology. Based on smart phones equipped with AR technology, consumers can realize applications such as navigation, entertainment, education, and shopping. As a next-generation computing platform, AR realizes the effective combination of information and real-world scenarios and becomes a portable personal assistant. When consumer-grade AR glasses have not yet become popular, mobile phones have become an effective carrier of AR technology. The development of AR technology will also promote the optimization of smartphones in terms of cameras, sensors, and chips. By adding new ways of human-computer interaction, AR Bring new development opportunities for smart phones. 5. Security plan upgrade Although iPhoneX uses facial recognition to replace fingerprint recognition in 2017, it cannot "prevent" other manufacturers from continuing to use fingerprint recognition technology. Judging from the trend of full screens in 2017, Android will continue to make a fuss about fingerprint recognition technology. Synaptics has developed the first under-screen fingerprint sensor. This Clear ID FS9500 will be directly encapsulated in the AMOLED display module, using the same optical materials and processes as standard OLED, and the final thickness can also be achieved within 1.5mm. FS9500 has been provided to a TOP5 mobile phone manufacturer for cooperative mass production, and it is expected to be one of Samsung, Apple, Huawei, OPPO, and vivo. If fingerprint recognition has opened the first step of biometric technology in the consumer market, then the face recognition technology brought by iPhoneX will be more technically mature and more popular. The most recognizable part of the iPhone X is the face recognition on the top of the head. Although the "bangs" are an eye-catcher, it has to be temporarily compromised in order to compromise the technology. It is reported that up to 8 components are integrated in the "forehead" area, which can instantly perceive the user's facial features and identify the user. Currently, there are three mainstream technical solutions in the field of depth perception: time of flight (TOF), structured light, and binocular vision. PrimeSense uses a structured light solution, and there is no doubt that Apple also uses an improved version of the solution. Nowadays, domestic Android manufacturers are conducting face recognition tests in the assembly factories to prepare for the application of 3D vision on Android phones in 2018. 6. Wireless charging will become standard speed Wireless charging is no longer a new technology. Samsung has supported wireless charging since the Galaxy S6 edge, but from market feedback, it has not been widely used. However, the emergence of Apple iPhone 8/8 Plus/X in 2017 has allowed the wireless charging technology to appear in front of everyone again. It is understood that Apple uses the Qi (Chee) wireless charging standard, in addition to two mainstream wireless charging standards: PMA and A4WP. Among them, Qi was launched by WPC, the first industry standard organization for wireless charging, and PMA and A4MP were merged into the new AirFuel Alliance. The Qi wireless charging standard supports up to 15W. Perhaps in 2018, we can see a large number of mobile phones that adopt Qi technology and support wireless fast charging on the market. 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