In April 2012, Google developed a pair of "expanding reality" glasses; in August 2012, a virtual reality helmet Oculus Rift was placed on the shelves of the crowdfunding platform Kickstarter by Oculus; a smart watch called Pebble In the very short period of time, it received initial financing of 10 million US dollars on the crowdfunding platform; at the World Mobile Communications Conference held in February 2014, many companies released the second generation of functions and services on the basis of the previous ones. Many of the products are start-ups that are just starting out with wearables. On September 10, 2014, Apple, the world leader in consumer electronics industry, finally released a new product that everyone is looking forward to - Apple Watch. In just two years, wearable devices have developed rapidly, but nowadays wearable devices seem to be just a scaled-down mobile phone, plus some fixed devices, and there is not much difference between them and traditional smart devices. Is the wearable device? This must be the case? Where is the future development path?
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The development of wearable devices requires new materials
Today's wearable devices still use the traditional materials of smart phones, equipped with low-power microprocessors, a compact operating system, and traditional fixed devices, just like a tribute to smartphones. Looking back on the development of smart phones, the touch screen materials, display components, microprocessors, etc. used in the traditional materials used in traditional PCs are reborn. It can be said that without the great development of basic materials, there is no today's smart phones. . The new wearable device still uses the same components as the smart phone, but the size is slightly smaller, and the fixed device still uses traditional metal materials or polymer materials, which makes it difficult for the wearable device to get rid of the shackles of the smart phone. Become a mature product system. Existing smart phone materials are often rigid, and their performance is not suitable for the use of wearable devices. The lack of basic materials is the pain point of the development of wearable devices, so choose a new type of material to become a wearable device. The primary problem facing development.
The smart material family will be an integral part of wearable devices
A large family of smart materials consisting of shape memory alloys, photochromic materials, electrochromic materials, piezoelectric materials, and smart polymer materials is the perfect match for wearable devices.
The shape memory alloy in smart materials has strong flexibility and can memorize its own shape. The anti-bending frames for daily use, the artificial bones that can be implanted into the human body, and the solar panels of artificial satellites are all shaped by shapes. Made of memory alloy. If this material can be applied to a wearable device, it will be able to automatically remember the human body curve, automatically changing to fit the shape of each human body shape and automatically fix it when it comes into contact with the human body. Even if the current smartphone is made directly on the shape memory alloy, the entire wearable device will be able to fit the human body and achieve a true "fusion with people."
Photochromic materials, electrochromic materials and smart polymer materials will be able to monitor the vital signs of the human body and changes in the external environment, and visually express them through their own changes. People may be able to get enough information without opening the display, for example, they can feel the surrounding temperature, even the degree of air pollution, and express it through color changes. The surrounding environmental changes will no longer be cold numbers, and the way they are presented will be more intelligent. Piezoelectric materials will be even more revolutionary for wearable devices, and they can be implanted into wearable devices to collect the tiny energy of every activity in the human body, which will provide a continuous supply of electricity. Wearable devices will be able to get rid of the battery and achieve true weight and long battery life.
The magnetostrictive material can be used as the power component of the wearable device. The traditional micro-drive device is mainly a micro-electric motor, but the volume is too large compared with the wearable device, and the energy conversion efficiency is not high, and the reaction speed is slow. It is easy to heat up and other disadvantages. Compared with the traditional electric motor, the magnetostrictive material can be used to make millimeter or even micron-sized driving components, and has high energy conversion efficiency, precision and reaction speed. These are all difficult to achieve with conventional motors. The micro motor made of magnetostrictive material can be used in the vibrator of the wearable device, the zoom device of the camera, and the shutter control. In addition, the magnetostrictive material can be used as an excellent active noise reduction device to pass sound waves with noise. Do the reverse vibration to achieve the effect of canceling the noise.
The combination of the two will revolutionize the definition of "intelligence"
Since Steve Jobs "re-invented" the mobile phone, the smartphone storm has swept the world in just a few years, which has profoundly changed people's lifestyle. However, the development of smart devices cannot be stopped, and the pace of human innovation cannot stop there. Smartphones relying on information technology have more "intelligence" in the connection between people and the convenience of information interaction, but this is not the full definition of intelligence, if smart materials can mature and A wide range of promotion will undoubtedly innovate people's understanding of "smart". Wearable devices made of smart materials will feel the different physical characteristics of each person as if they were living, perceive changes in the surrounding environment, and even respond to help humans. This kind of possibility will completely revolutionize people's understanding of the word "smart". It is foreseeable that the future smart devices will no longer be cold, but will be the real "smart" that can be perceived and perfectly matched with people. Wearable device.
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