Technology:
Toray built a supersensitive thin-film transistor (TFT) that detects the change of
faint electric signals. Using a composite material of carbon nanotube, the
company realized the sensitivity that is more than 10 times higher than that of
the existing thin-film transistor made of silicone. It can allow a flat screen
TV to display the video much faster, and can be applied to a biosensor to detect
a tiny amount of protein in the blood. The company plans to put the new TFT into
practical use in
The new TFT adopted a composite material made of carbon nanotube of 95% purity and a polymer molecule. Because the purity is rather high, the composite material can be a thin film uniformly for higher sensitivity. In addition, it can be built by an ink-jet printer, and the production cost is one fifth of that of the existing amorphous silicon transistor. If the change of faint electric signals created when blood is dropped on the TFT can be detected, the new product can be used to examine blood component. And it can be a high sensitive biochip to tell whether a small amount of protein is contained. Toray wishes to practicalize the new TFT as a blood sugar level sensor for diabetic patients.
The new TFT adopted a composite material made of carbon nanotube of 95% purity and a polymer molecule. Because the purity is rather high, the composite material can be a thin film uniformly for higher sensitivity. In addition, it can be built by an ink-jet printer, and the production cost is one fifth of that of the existing amorphous silicon transistor. If the change of faint electric signals created when blood is dropped on the TFT can be detected, the new product can be used to examine blood component. And it can be a high sensitive biochip to tell whether a small amount of protein is contained. Toray wishes to practicalize the new TFT as a blood sugar level sensor for diabetic patients.
Toray's technology on organic TFT liquid crystal display
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