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We are developing artificial retinas using poly-Si thin-film transistors (TFTs), which is suitable for the epiretinal implant on the curved human eyeballs. In this study, we confirmed stimulus performance of poly-Si TFTs in in-vitro experiment for artificial retinas. It is found that correct output waveforms are observed using a CMOS inverter and ring oscillator. This means the stimulus performance...
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 neuron MOS devices using TFTs. We fabricated and evaluated neuron MOS inverter, which can be also utilized as a variable threshold voltage inverter, and neuron MOS source follower, which can be also utilized as a digital-analog converter. The neuron MOS devices indicate that TFTs have great potential for application to artificial neural networks.
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