They develop a flat touch screen capable of creating electro-bubble buttons technology

Researchers from the Future Interfaces Group (FIG) have developed a flat touch screen capable of instantly creating real buttons with the ability to adapt to the functions displayed on the screen thanks to a system of electrophoresis bubbles, thus combining a flat touch screen with a push. buttons.

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researchers, Craig Schultz and Chris Harrisonfrom FIG, from Carnegie Mellon University (Pittsburgh, USA) Touch display technologies In order to get Advances in touch interfaceswhether with or without a screen, since it is “They are ubiquitous in the modern world“.

In this sense, as indicated by the group of future interfaces in its group web pageresearchers have created a new type of display Changing the shape of its terrain using electric pumps EEOPs (EEOPs).

These bombs appear on the touch surface or screen in the form of a bubble in a controlled manner, based on the function for which it is configured, and to achieve a The thickness is about 1.5 mm to to rise And between With a diameter of 2 and 10 mm.

The way to get bubbles is through electrical flowwhich is known as Movement of a liquid through a channel of significantly reduced diameter When applying a the electric field around you. That is, bubbles appear by consciously applying voltage, which in turn moves the liquid below the surface of the bubble. the screen made this swell at certain points.

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Voltage is able to move the liquid inward Moment And, to act as a button, submit Resist the usual touch pressure in normal interactions. To do this, according to the developers, he is able to pressure generation to about 50 kPa.

This technology makes it possible They are embedded in devices on a panel less than 5 mm thick, so it will not significantly expand its thickness. Also, it has a file Weight that does not reach 40 grams.

All this makes one Versatile technology which could be useful It applies to almost any device And for several different jobs. One of these functions, as explained by researchers in A Explanatory videois the integration of this technology into a file Flexible OLED display for a flat “smartphone” or tablet. In this sense, the screen will be able to Create keyboard buttons in seconds When sending a WhatsApp, for example.

As the researchers explain, one can, too Quickly switch to buttons for specific functions Its silhouette appears, like that of Open and close or shaped “play” and “pause”, to control the playback of the content. You can even make it appear Highlight an emoji, numbers or decorations.

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Another benefit is Know notifications when they appear on the screen with a file bubble pumping orin the same vein, Highlight the “application” icon In the same way when it requires some kind of interaction.