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What new technology is used in mobile phones? In the next two quarters. May 29, 2018

Time came to June 2018, after a few years of smooth period, the intelligent machine market led the new round of revolution by the full screen. In the past six months, we have seen the attempts of mobile phone manufacturers in artificial intelligence and HDR display technologies. We have also seen the full popularity of dual-lens and fast charging technologies. New technologies bring new experiences. Then in 2018, what kind of technology will be developed in the field of smart machines, and what latest technologies will emerge?

OLED screen becomes mainstream choice

All along, the field of mobile phone screens are both LCD screens and OLED screens. However, with the emergence of full-screen and heterogeneous screens, the demand of mobile phone manufacturers for OLED screens will further expand in the coming year. According to data from market research agency IHS Markit, the market share of OLED screens in the smartphone handset panel market increased from 34.1% in the second quarter of 2015 to 44.4% in the second quarter of 2017. According to another report from IHS Markit, the global smart phone OLED market value has increased to US$4.7 billion in the third quarter of 2017, a significant increase of 29.4% compared to the same period in 2016. It is foreseeable that OLED will exceed LCD in 2018 to become the first place in the smartphone panel market.

While the market demand for OLED screens surged, we also saw a bottleneck in the 2017 OLED screen production capacity. With the advent of the iPhone X and its follow-up models, the competition for OLED screen capacity in 2018 seems to be even fiercer. However, given that current screen suppliers are increasing their horsepower to start new production lines, in 2018, the OLED screen production capacity will increase significantly compared to 2017, which can meet market demand.

Taking the iPhone as an example, the OLED screen currently used on the iPhone X is entirely provided by Samsung. According to earlier information, LG Display has invested 3.5 billion US dollars for the construction of the new OLED screen factory E6, and a large part of this sum of money is from Apple.

Although LG Display "denied" this rumors at this stage, according to LG Display's first quarter earnings report in 2018, the company's first-quarter operating profit fell by 95% year-on-year. This is due to the downward adjustment of the panel price, on the other hand due to the company’s unexpected investment in the development and production of small OLED screens. Based on the above reasons, we can infer that LG Display's investment in small OLED screens is still very impressive.

3D facial recognition technology has been widely used

As iPhone X abandons fingerprint recognition to 3D facial recognition, it is foreseeable that more handset manufacturers will follow suit in 2018. Thanks to Apple's strong market influence, supply chain manufacturers will also increase investment in 3D perception technology. It can be inferred that in 2018 we can see the Android flagship machine equipped with 3D facial recognition technology, and we may also see Apple's new generation facial recognition sensors.

The Android camp's 3D facial recognition technology comes from Qualcomm. Its solution is similar to Apple's TrueDepth. Through the structured light technology, the invisible infrared light is hit on the object, and then through the lens to receive the reflected light to recognize the depth of the object, and then the 3D model of the object is calculated by the algorithm.

Earlier, Qualcomm announced that it will work together with Qijing Optoelectronics, TSMC, and other manufacturers to accelerate the development and commercialization of high-resolution, low-power, active 3D depth sensing camera systems. Zhang Jianzhong, vice president of engineering at Qualcomm, said that Qualcomm’s 3D sensing technology is currently mainly used for face recognition. The wonders of the CEO also said that the company's 3D sensor solutions can provide the next generation of mobile user experience.

The controversy surrounding the “inductor” on the iPhone X is enormous, both of which are concerns about its recognition accuracy and dissatisfaction with its size. In order to bring about a better user experience, Apple has teamed up with TureDepth camera supplier LG Innotek to develop a new generation of face recognition technology, and strive to reduce the "bangs" area. It is reported that the upgrading of this technology is to integrate the front camera camera with the infrared camera. If it can succeed, the length of "bangs" will be reduced by 20%.

According to the investment plan submitted by LG Innotek to the South Korean regulatory section, it will invest 873.7 billion won (approximately US$820.9 million) for the expansion of its mobile camera module and next-generation module business. According to analysts, a large part of this money comes from Apple. It can be inferred that the development of the new generation of TureDepth cameras has begun. The latest iPhone 2018 with the next-generation TureDepth camera is also entirely possible.

Under the screen fingerprint recognition technology still occupies a certain market

As the iPhone X turned to face recognition technology, the fiery screen fingerprinting technology that was once fired was suddenly "cold." But is the truth just like this? Obviously negative. With the advent of the full-screen era, fingerprint recognition technology under the screen is becoming an alternative to facial recognition because of its own characteristics.

At present, the screen fingerprint identification technology generally has the following solutions. One is Qualcomm's ultrasound identification program. Earlier vivo demonstrated the vivo Xplay6 prototype based on Qualcomm's ultrasound fingerprinting technology, but eventually it failed to achieve mass production. It is inferred that the research and development of ultrasonic fingerprinting has encountered difficulties, and it is difficult to see products equipped with this technology in 2018.

The second solution is optical fingerprinting technology. Currently Synaptics has successfully developed and produced the first clear optical fingerprint sensor Clear ID FS9500. And vivo has used this technology to launch the world's first mass-market fingerprint recognition mobile phone vivo X20Plus screen fingerprint version. From the display of CES2018, the fingerprint identification technology under the screen does not lose the traditional capacitive fingerprint identification product in the experience, and will surely become the mainstream in the future.

The third solution is from display manufacturer JDI. On January 23, 2018, JDI published an article on its official website that JDI has successfully developed a transparent capacitive fingerprint sensor based on glass material. The sensor is based on the JDI Pixel Eyes technology and is transparent, so it can be directly integrated into the LCD display (breaking the OLED's monopoly on fingerprint recognition technology under the screen). The company plans to begin formal production by March 2019.

Faster and better 5G mobile phone come out

The next human information revolution is the 5G technology revolution. For now, 5G is growing faster than we expected. In late November 2017, U.S. telecom operator Verizon announced the launch of its first commercial 5G fixed wireless access broadband network service in California in the second half of 2018, and will advance to 2-4 other markets by the end of the year.

U.S. telecommunications operator AT&T also announced that it will launch mobile 5G services in 12 cities by the end of 2018. AT&T announced in August 2017 that it will cooperate with Ericsson, Samsung, Nokia and Intel to extend 5G fixed wireless broadband testing to Waco, Texas, Kalamazoo, Michigan and South Bend, Indiana. Commercial/residential customers.

As telecom operators in many countries began to conduct 5G experiments, the research and development speed of 5G equipment also accelerated. As an expert in communications, Qualcomm’s investment in 5G is also very large. On October 17, 2017, Qualcomm successfully implemented the world's first 5G data connection (Gigabit speed) based on its Snapdragon X50 5G modem chipset. At present, Qualcomm has announced that the Xiaolong X50 5G modem is expected to be commercially available in the first half of 2019. Of course, it does not rule out the possibility of speeding up the listing. Considering that Qualcomm has already exhibited a reference design for a 5G smart phone, maybe in the second half of 2018, we will be able to see the official launch of the 5G mobile phone.

More efficient fast charging technology

With the formal promulgation of "Requirements and Test Methods for Fast Charging of Mobile Communication Terminals", the standards for fast charging have finally been determined. The test method shows that fast charge is a charging system consisting of an adapter, cable, and terminal, starting from the initial state of charge, until charging for 30 minutes, during which the average current into the battery is greater than or equal to 3A or the total charge capacity is greater than or equal to the battery rated capacity 60% of the charging methods.

The test methods stipulate that the five fast charge protocols currently recognized by the industry are the Qualcomm protocol, the Huawei fast charge protocol, the USB PD protocol, the MTK protocol, and the VOOC flash charge protocol. With the gradual clarification of standards, we should be able to see more efficient and safer fast charging technology in the second half of 2018.

Optical Zoom and Variable Aperture Production

The introduction of the dual cameras enabled the smart machine to truly achieve a 2x optical zoom function, but how to break through the bottleneck of 2 times has become a question for all handset manufacturers. OPPO previously exhibited 5x lossless zoom technology. It is based on the industry's first periscope dual lens to achieve 3 times HD zoom imaging, combined with OPPO exclusive research and development of image fusion technology, and ultimately achieve 5 times lossless zoom. It is foreseeable that today, with 2x zooming, the 5x lossless zoom technology has a great chance of debut.

Another technique similar to the 5x lossless zoom technique is the variable aperture technology from Samsung. Samsung introduced variable aperture technology for the first time on the flagship W2018, allowing consumers to adjust the aperture from F2.4-F1.5. It is reported that the principle of this technology is to control the lens through the lens by adding a polygonal or circular, and variable area aperture grating.

The emergence of variable aperture technology means that smart machines have taken a step forward in catching up with SLR cameras. It is reported that Samsung 2018 annual flagship Galaxy S9 is expected to carry variable aperture technology. As for its actual performance, I believe we will soon have the answer. While Samsung can all lead the new round of technological revolution in variable aperture, this should remain optimistic.


2018 is a revolutionary year for smart phones. After a few years of smooth periods, smart phones will usher in a new round of revolution in 2018. Under the impact of new technologies, the next half year, the competition in the smart machine market will intensify. This not only poses a challenge to the technology of mobile phone manufacturers, but also puts forward higher requirements on the management of the supply chain.