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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 have evaluated the wireless power supply to the artificial retinas using poly-Si TFTs. From simulation, it is found that the transmission efficiency can be 0.43 % currently. This value should be improved but acceptable because...
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 evaluated an artificial retina using thin-film devices driven by wireless power supply. It is found that the illumination profile can be correctly detected as the output voltage profile even if it is driven using unstable wireless power supply. Particularly in this presentation, we confirm correct working of pattern recognition.
Artificial retinas have been ardently desired to recover the sight sense for sight-handicapped people. We have verified that an artificial retina using poly-Si TFTs can be driven by wireless power supply. It is confirmed that the irradiated light distribution can be reproduced as the output voltage distribution owing to the parameter optimization of the wireless power supply system.
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