Driven by Apple, Force Sensing technology has quickly caught the attention of the market. Many mobile phone manufacturers have already expected this technology to be launched in the flagship model launched in 2016. However, the research institute believes that Whether Google will support natively in the new Android operating system is the key to the expansion of the technology.
According to Xie Zhongli, director of IHS research, the smart phone with built-in touch pressure sensing function in 2015 only accounts for 24% of the total smart phone market. Apple iPhone 6s is the majority, and the Android system is smart. Mobile phones are relatively rare. The reason is that Android systems do not have native support for touch pressure sensing, so mobile phone manufacturers or application developers must spend a lot of effort to develop related applications, and these applications only It can support the use of specific models. For example, Huawei's object weighing application using touch pressure sensing technology on its Mate S smart phone is realized by the proprietary application software developed for this model.
Xie Zhongli believes that once the new Android operating system natively supports touch pressure sensing technology, it will sweep away the concerns of hardware manufacturers and software developers about the technology, which will lead to the blooming of touch pressure sensing applications.
Therefore, at the I/O conference in May 2016, Google announced whether the next-generation Android operating system supports touch pressure sensing technology, which is an important observation indicator.
Xie Zhongli said that Android native support touch pressure sensing technology can provide a standardized application interface (API) and software development kit (SDK), which will attract more chip and mobile phone manufacturers to invest in the technology, and software developers also It can quickly develop related applications for touch pressure sensing, strengthen the Android smart phone ecosystem's ability to support this technology, and eliminate the market's doubts about the lack of touch pressure sensing applications.
After establishing a good touch pressure sensing application environment in the Android smart phone ecosystem, the next step is to think about how to reduce the cost. Xie Zhongli revealed that the current implementation cost of touch pressure sensing is much more expensive than touch sensing. Taking a 5-inch smart phone screen as an example, the touch pressure sensing function and the touch panel module not included, the price difference is about 8 to 10 US dollars, so the technology will be further popularized, and the cost reduction will be another Important level.
Xie Zhongli pointed out that to reduce the cost of touch pressure sensing can be started in three directions, the first is to develop new material technology, and the second is to start from the design structure of the touch pressure sensing module, such as adjustment The position of the touch pressure sensing electrode layer is finally achieved by the economic scale of mass production and market competition.
It is understood that touch chip vendors play an important role in the implementation of touch pressure sensing technology. If a mobile phone factory wants to build this function, it will probably first contact the touch chip manufacturer, and the chip maker will provide the chip and In addition to the toughness, the recommended touch pressure sensing electrode pattern is also provided to achieve the best matching performance. Then, the touch wafer chamber of commerce and the mobile phone factory and the sensing electrode bonding factory cooperated with each other to complete the touch pressure sensing function.
At this stage, including STMicroelectronics, FocalTech, SynapTIcs, Hydis, all have touch pressure sensing solutions, while other touches such as Sili Wei and Goodix Technology (Goodix) The chip industry is also expected to join this market battle this year. After more and more touch chip makers invested, Xie Zhongli estimated that the loading rate of touch pressure sensing technology in the smart phone market in 2016 could climb to about 30%.
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