Electronic ink (e-ink) displays rule the digital reading devices segment - they are easy on the eyes and don’t require much power, allowing a Kindle, for example, to last weeks on one charge. Apart from e-book readers though, the technology hasn’t spread to other gadgets much. A few smartphone manufacturers made attempts to integrate e-ink displays in their devices, bringing phones like the Motorola F3 and the Yota Phone to the market, but they failed to gain much popularity.
Now the Shenzhen-based company Waveshare used the specific characteristics of the technology to develop a new way to interact with and power e-ink screens, SlashGear reports. Waveshare created a whole slew of battery-free displays, getting power through the NFC wireless interface instead. Typically, NFC (Near-Field Communication) is used for transferring data between devices at short distances - for making payments with your smartphone on a POS terminal or signing digital documents. This type of connectivity can transfer small amounts of power too, and it appears to be enough to change the image on an e-ink display.
The Chinese company is already selling 2.13-, 2.9-, 4.2-, and 7.5-inch models, along with the necessary equipment for OEMs to make it work. The technology can lead to e-ink signposts, supermarket labels, medical records, and office boards, which won’t require power to operate and can be updated from any NFC-capable device. Putting such a display in a smartphone case or a back cover will give you an integrated e-book reader, getting power from the phone’s NFC antenna, so there’s also that.
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Mariyan, a tech enthusiast with a background in Nuclear Physics and Journalism, brings a unique perspective to PhoneArena. His childhood curiosity for gadgets evolved into a professional passion for technology, leading him to the role of Editor-in-Chief at PCWorld Bulgaria before joining PhoneArena. Mariyan's interests range from mainstream Android and iPhone debates to fringe technologies like graphene batteries and nanotechnology. Off-duty, he enjoys playing his electric guitar, practicing Japanese, and revisiting his love for video games and Haruki Murakami's works.
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