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This magic touch screen, can generate the key

Touch screen is indeed a kind of convenient and easy to operate the equipment, but their smooth surface for some tasks -- such as fast and accurately play an email - become tasteless, especially when your eyes are occupied with other things.

Under the premise, mainly from the Technical University of Berlin, Germany's research scholars have set up a model of the top floor of the touch screen, it can be smooth and soft when the beat is hard, which makes it possible to create arbitrary shapes of temporary keys, users can also feel the screen, and interact with them. And this technology can make the use of the vehicle equipment, smart phones and wearable devices more convenient, can receive an urgent reminder, or do not have to see the screen can enter information (touch screen do not do).

Can generate the touch screen button

This is known as the GelTouch seven inch touch screen model, the researchers will be new materials made of three different basic shapes: grid buttons, slider and single finger use joystick buttons. At the same time to phone number, slider and a joystick game to show the three functions.

In order to make the GelTouch forming, the researchers used a thermal responsive hydrogel material on the display, which is a transparent material like jelly at about 32 degrees Celsius.

Heating will cause the water to evaporate from the colloid, make the material become hard 25 times, at the same time become white. The researchers placed a layer of indium tin oxide in the new material, which is commonly used in a transparent conductive film, to connect the new material and the following electrode. Then they used several different methods to heat the colloid, which included the conduction current between the electrodes and the heat of the intermediate.

When temperature is transmitted to the colloid, it begins to change from a white point or shape. The longer the heating time, the greater the change. Remove heat, change instantly disappear. In order to obtain the high resolution of the shape, the researchers also carved a number of square in ITO. They say it can be stacked with layers of ITO material to make different shapes.

In the existing model, the deformation of a hardness of about two seconds after heating, and the same time, the same time, the same time to cool the edge of the soft. "That's a bit slow," said Professor Tan Hong, a professor of research at the Purdue University. At the same time, she believes that the cooling of the material is the most difficult to solve. But she thought, "this is one of the flexible use of the touch screen, very cool and very practical".

Yairi Micah the emergence and disappearance of the keys is very clear: he is the co-founder and chief technology officer of Tactus Technology (Tactus technology is a micro fluidic technology to produce iPad screen buttons, they are the key is the projection of the kind of smooth and clear screen. Yairi believes that this GelTouch technology sounds very good, but he still points out that in the real market before use, there are still many problems to be solved.

One problem is that if you want to have a key to keep the shape, you need to know how to apply and adjust in an environment where you can't keep the heat up. There is a habit of using the problem, this soft screen, and we have long used to sliding and typing of hard touch screen is very big difference.

This new material also has a lot of problems to be solved, compared to the commercialization of the product, but it has been said that researchers have had the idea of the relevant solutions, we will wait and see.

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