The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
We are developing hybrid-type temperature sensors using poly-Si thin-film transistors (TFTs). In this study, first, we evaluate the characteristic change of the off-leakage current of the TFT by changing the temperature several times. It is found that there is no historical effect even if the temperature changes very much. Next, we evaluate that by applying the actual driving condition. It is found...
We have evaluated temperature dependences of transistor characteristics in n-type and p-type poly-Si TFTs with and without visible light illumination. It is found that the temperature dependences of the off-leakage currents in the n-type and p-type TFTs are much larger than those of the on currents. Moreover, the temperature dependences change with visible light illumination, and the changes are different...
We have developed a frequency modulation-type capacitance sensor using amorphous In-Ga-Zn-O (α-IGZO) thin-film transistors (TFTs) for integrated touchpanels. This capacitance sensor consists of a ring oscillator, whose one stage is replaced by a reset transistor, sensing transistor, and sensing electrode. The sensing electrode becomes one terminal when the other terminal is added by finger to form...
We have developed a hybrid-type temperature sensor using thin-film transistors generating rectangle output waveform. The advantages of the hybrid-type temperature sensor are that the large temperature dependence of the off-leakage current can be utilized, and simultaneously only a digital circuit is required to count the digital pulse. However, the conventional hybrid-type sensor has a disadvantage...
We have developed a hybrid-type temperature sensor using thin-film transistors. First, we evaluate temperature dependences of transistor characteristics and find that the temperature dependence of the off-leakage current is much larger than that of the on current. Next, we combine a transistor, capacitor, and ring oscillator to develop the hybrid-type temperature sensor and detect the temperature...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.