What kind of mobile phone is a transparent mobile phone? How to make a transparent mobile phone?

What kind of mobile phone is a transparent mobile phone?

A transparent phone is a mobile phone that uses a replaceable glass to achieve a visually transparent effect. Transparent mobile phones use a special switchable glass technology that is re-arranged to form text, icons and other images once the electronically controlled glass is activated by current through a transparent wire. The electronically controlled glass is transparent after being electrically conductive, and turns into a white cloud when it is turned off.

How to make mobile phones transparent

What is opaque inside electronic products? Simply speaking, semiconductors and metals, together with insulating materials, are the three basic components that make up the device. Traditional metals and semiconductors are mostly opaque.

1. Traditional semiconductor materials such as silicon Si, é”—Ge. .

Transparent scheme: Replace with transparent semiconductor materials such as ZnO, GaN, InGaZnO, NiO, etc., as well as some polymer polymer materials. Such research has been relatively mature, and the research on GaN-based LEDs has just won the Nobel Prize in Physics.

2. Metal electrodes, such as gold, silver and copper

Transparent solution: replaced by a transparent oxide electrode, also known as TCO (transparent conducTIve oxide). The most commonly used one is the ITO electrode, which has been widely used in solar cells, touch screens, LEDs and other almost all optoelectronic devices. The Hosono team at Tokyo Institute of Technology in Japan developed InGaZnO (IGZO), which has been very hot in the past two years. Sharp has been mass-produced, see IGZO.

3. Insulation

Since the insulating material is usually transparent (why can the reference metal be transparent? - physics), such as SiO2 (also called glass). Commonly used insulating materials are polymers and the like. This transparency is not difficult.

Due to the maturity of the electrode material ITO, the breakthrough of the current technology lies in the transparent semiconductor.

The main problem of the mobile phone touch screen for the main question is the internal TFT (thin film transistor) layer, which is traditionally made of Si and metal, and the IGZO used by Sharp can control its electrical properties, which can replace Si semiconductor. It can replace the metal electrode. Other oxide semiconductors have also been studied a lot, but they have stopped at the laboratory.

Despite the success of IGZO, there are many other problems with transparent semiconductor devices, such as IGZO, which is too expensive and too high. . .

In addition, transparent semiconductors with practical value are only limited to n-type conductivity, and p-type semiconductor materials are required to be integrated with pn junctions or CMOS. The p-type road is still far away.

Transparent mobile phone is useful

Let's take a moment to think about the future. When you think about mobile technologies for the future, some seem to be a trend. One of the challenges that many vendors are currently solving is how to create a fully transparent smartphone product in the future. In some movies, we can always see some transparent smartphones or tablets, and they seem to display a variety of information on a glass or plastic board, and this has become our future intelligence. A look of mobile phones.

Transparent has unlimited possibilities

Transparency is a great and cool technology that is not only very useful, but also makes electronic devices more portable and practical. It looks like a kind of magic, and even allows information to be displayed in the air, and there is a greater potential for this technology.

With this transparent technology, we can integrate the display and touch unit into any item, windshield, coffee table and bathroom mirror. The main selling point of this kind of transparent technology is that it can be integrated into your life, appear when needed, and be invisible when you don't need it. When the items in your life are covered by transparent display devices, anything that is incredible can happen.

As long as we make the most of our imagination, we can integrate transparent technology into any item, whether it is a smartphone, a tablet, or a wearable device, as long as it can be imagined. At the same time, we can get any information we need anytime, anywhere, not just a simple electronic device with a screen. A transparent screen can cover any item, which is a very powerful presence.

Problem thinking

But even if you want to make information ubiquitous in the future, there are some issues that have to be considered. Do you want to use a transparent touch panel on the toaster and then read the various headlines every day? And this inevitably makes me doubt whether the use of technology will become ridiculous. Watching Netflix videos at the table? Display the last hour of the surveillance camera on the door? I don't know what you think, but if the technology is too rampant, it will be worrying.

In addition, even if you want to use transparent display technology in many places, you should also consider the specific characteristics and conditions of use. For example, the background of different colors also has a great influence on the display effect of the transparent panel. For example, a gray wall is not suitable for displaying black text. At this point you must say, then let the background of the screen become a single color is not enough? Then this is not the meaning of losing the transparent display.

Solutions to the problem

In fact, the biggest benefit of transparent technology is the ability to see the situation behind the screen, so this feature can bring different meanings in different scenarios. So when you're keen to explore transparent display technology, it's better to consider a different solution.

When our smartphones become networkable wearables, we want devices like glasses to become transparent. And transparent technology is more suitable for augmented reality, but before that, I don't believe that a fully transparent smartphone is really so useful.

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