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"Flexible touch" again you ready?
    Recently, there are many media, Apple's next-generation mobile phones will be used before the industry that "rotten" to the residue of the PFF structure capacitive screen, and vowed that Apple will use plastic touch screen to open "flexible touch" a new era! Plus the previous parties to speculation folding mobile phone and tablet computer will "subvert" the universe, for a time, this had been considered the industry investment mistakes "for the devil" and "flexible touch", as if there is a "yellow robe plus body," the king of eight gas.
    "Flexible touch" concept put forward, perhaps since the touch and display together, many industry vocabulary in both of them have the same prefix. In fact, the realization of these two functions of the hardware itself, almost using the same technical principles and processes to organize the production, then a flexible display, there must be "flexible touch"!
    From 2016 Samsung sold flexible AMOLED display began, flexible display has become the industry's largest piece of tiger, who want to sit on the throne to highlight their own under the "great"!However, this time there is not much touch the field of voice, to express their own "flexible touch" technology so one thing.
    The reason is simple, the first capacitive screen, is the PFF structure of the "flexible touch screen", the flexible touch screen was started from the 90's promotion, in the later nearly a decade, due to various reasons in the industry has accumulated a variety of Negative user experience, can be described as "infamous", was very low-end resistive touch screen can easily beat it.
    Apple's capacitive touch screen until the real application to consumer electronics products, and popular consumer electronics market, the subject of the patent, the reason for non-Apple camp had to use the year of resistive touch screen production technology to produce GFF structure touch screen , In order to ensure that users can have access to similar products Apple experience, contact with the user's operating surface, using the same enhanced glass.
    In the early days of the non-Apple camp to promote the capacitive screen, not no one tried to use the production efficiency and yield better than the GFF structure touch screen PFF structure touch screen, but market cultivation from the G glass cover user experience, so P plastic cover Has been unmatched, and with the LCD display is constantly thinning, LCD display strength is insufficient, but also need to be able to fully fit the G cover to enhance the leather, PFF structure touch screen is ultimately short-lived, disappeared in the industry.
    So, PFF structure touch screen really what bad? Its cover the surface of the user experience really no one to accept it? Not entirely. In the largest shipments in the low-end Tablet PC and flat-panel mobile phone market applications, PG structure capacitive screen has been the mainstream, that is, we believe that the "bad" to the slag P plastic cover!
    Not only that, in fact, there are many customized high-end children's flat, or military flat, and more willing to use PFF structure capacitive screen, the first of these products require drop performance, better protection of product functionality; Is that these products are flat class, the same resolution, the display area of the product is much larger than the phone, so PPI value is much lower, slightly scratches or stains slightly, does not affect the actual display ; Of course, the use of these products than the mobile phone environment in the visual distance, a little far, but also reduces the appearance of P plastic cover defects standard.
    But in any case, even Samsung and LG have launched over the P plastic cover a limited number of repeatable curved mobile phone, Sharp and motorcycle also launched a non-bending P plastic cover phone, so far, the mobile phone industry and end markets are There is still no opportunity to give P plastic cover.
    From this, P plastic cover the problem is not resolved, there will be no flexible touch scenes really appear in the consumer electronics in the. But the flexible display has come, the problem of flexible touch is not resolved, then the whole industry is certainly not reconciled.
    Up to now, P plastic cover the biggest problem is that intolerance scratches. In order to solve this problem, the industry before the two main ways to avoid, increase the hard layer or enhanced self-repair layer.
    The industry's more popular model is to increase the P plastic cover plus hard layer, after forming the coating method, the highest surface hardness can be higher than the glass, the highest value can be close to 9H. However, this hardened P plastic cover, the hard layer of brittle great, and can not bend, a little deformation, it will crack, the actual significance is not too great.
    Similarly, LG and motor had previously used in its mobile phone P plastic cover compound PU self-repair layer of the process, the maximum can repair minor scratches below 0.02mm, basically to ensure the normal use of daily surface quality. But the problem is, it does not guarantee that the daily life, mobile phones and other objects contact or collision generated scratches, but also automatically repair.
    According to the basic chemical raw materials in the research more than twenty years of printing Fu introduced, the current industry to solve the problem of flexible P plastic cover the direction of the application, mainly on the PU repair materials. Xu said that their application in the automotive industry has a long history of PU repair materials in the non-display area can even repair the scratch more than 1MM depth, so the future of automotive electronics industry to solve the flexible display and touch, to achieve The opportunity of time should not be too long.
    Xu believes that as long as the automotive electronics to achieve flexible touch and flexible display, and then they are from the automotive electronics to promote the smart home, there will not be much obstacle. But the automotive electronics market space is less than one-tenth of consumer electronics, and smart home market space is much smaller than the automotive electronics, counting on the outbreak of the two markets to drive the development of the industry, some not reality.
    Other industry participants also expressed the same view, we all think that flexible bending flexible touch, functional materials are basically not much technical barriers to the industry, because the display technology based on complex semiconductor devices can be achieved by flexible bending display flexible , Then only the conductor line process touch screen, to achieve repeatable bending touch is much easier.
    Only the protective cover material, namely to be able to achieve repeatable bending, but also to have a high surface hardness to prevent surface damage, how to deal with these two contradictory performance parameters, is still the industry's biggest problem, Basically have not heard of the industry who has made a real breakthrough.
    So, rumored Apple's next-generation mobile phone will be used in the "PFF structure capacitive screen" in the end what kind of touch screen? In the end is someone's technology? If Apple really realized the "uncompromising" and "flexible touch", the consumer electronics industry, other competitors are ready?