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Fukushima R.,Corporate Research and Development Center
Kobunshi | Year: 2012

We have commercialized world's first glasses-free digital 3D television at the end of 2010.1 take a look back at three development stages. In the early stage after maternity leave, I enjoyed painting the picture of ideal 3D display in one's own way. In the pre-mass-production stage, I was able to overcome many difficulties with the aid of the cooperation with many coworkers. Finally, I had a delightful commercial stage, which was greatly influenced by the market trends. Source


Sakai M.,Corporate Research and Development Center | Imai T.,Corporate Research and Development Center
Computer Software | Year: 2015

Boolean SATisfiability problem (hereafter SAT) is the problem of deciding whether there exists an assignment to variables in a given propositional formula that makes the formula true. SAT is a computationally difficult problem as it is a classical NP-complete problem, but development of practically fast algorithms and hardware speed-ups enable SAT solvers to be used in variety of real applications. In this paper, we survey applications of SAT algorithms into broader problem classes, and technical interplays between SAT research and other research fields around those problem classes. © 2015 Japan Society for Software Science and Technology. Source


Nakano S.,Corporate Research and Development Center | Saito N.,Corporate Research and Development Center | Miura K.,Corporate Research and Development Center | Sakano T.,Corporate Research and Development Center | And 4 more authors.
Journal of the Society for Information Display | Year: 2012

We have successfully reduced threshold voltage shifts of amorphous In-Ga-Zn-O thin-film transistors (a-IGZO TFTs) on transparent polyimide films against bias-temperature stress below 100mV, which is equivalent to those on glass substrates. This high reliability was achieved by dense IGZO thin films and annealing temperature below 300 °C. We have reduced bulk defects of IGZO thin films and interface defects between gate insulator and IGZO thin film by optimizing deposition conditions of IGZO thin films and annealing conditions. Furthermore, a 3.0-in. flexible active-matrix organic light-emitting diode was demonstrated with the highly reliable a-IGZO TFT backplane on polyimide film. The polyimide film coating process is compatible with mass-production lines. We believe that flexible organic light-emitting diode displays can be mass produced using a-IGZO TFT backplane on polyimide films. © Copyright 2012 Society for Information Display. Source

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