With the continuous development of wearable devices, more and more electronic components are constantly refreshing people's attention. Even some ultra-thin electronic phototubules can be implanted into the skin without causing discomfort to the human body. They can be used to monitor the state of human body and health information, and can also be used to display the body's signal. Recent "Science Advances" introduced a new kind of electronic technology, based on ultra-thin electronic phototube, representing a new generation of wearable devices. Scientists have developed an ultrathin, flexible three-color photodiode (PLED) and organic photodetectors (OPDs) that can be used to display electrical and optical information on human skin and even to detect the condition of the human body.
Long-term problems with modern electronic equipment include the wear and tear of electronic devices, mechanical bending, etc., which can lead to a drastic reduction in the useful life and usability of electronic equipment. Developed a new type of wear-resistant, flexible materials, can effectively improve the scalability and life of electronic devices. Flexible electronic materials will be the new darling of wearable devices. If you effectively optimize the manufacturing process, to maximize production and reduce costs, the future of new wear devices is very important.
The Austrian scientists team has developed a new type of phototube and sensor with ultra-thin features, as well as good mechanical flexibility and extensibility and stretch characteristics, which have proven to be extremely durable. Combined with the red and green light sources in the tri-colored diode and the light-sensitive elements that detect the intensity of different light sources, the researchers developed a super-soft, reflective oximeter. This detector illuminates the blood vessels of the fingers and by examining the data collected by the light-sensitive elements, the oxygen content in the oxygen can be measured and the ultrathin element assembly of various elements can be implanted through the skin on the hand Display a number of seven diodes. Films with a wide range of miniature tubes and light-sensitive elements can be ultra-thin and ultra-soft. The electronic component consists of a substrate consisting of a substrate and a surface layer with a total thickness of only 3 microns, which is even an order of magnitude thinner than the skin of a human body. And can have good histocompatibility, does not cause allergic reactions, which can be called organic optoelectronics. Although the thin layer of the photovoltaic element is very soft, the material does not distort the deformation of the material in the body due to the presence of an ultra-thin passivation layer.
The material can not only collect the information of the human body, but also can output the collected information with the intuitive data so that the body information can be visualized on the body surface. This material has been used by scientists to monitor oxygen levels in the blood of patients after surgery, which has become the first practical application of the organic phototube, the future wearable and implantable devices based on the principle should be more and more more.
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