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In the forthcoming ambient electronics era, multiple electronic objects are scattered on walls, ceilings or in imaginative locations and interact each other to enhance safety, security and convenience. For implementation of many electronic objects in our daily life, large-area, flexible devices, which would be printed on plastic sheet, cloth, and/or paper, are expected to play an important role. In...
We have successfully manufactured a large-area power transmission sheet by using printing technologies. The position of electronic objects on this sheet can be contactlessly sensed by electromagnetic coupling using an organic transistor active matrix. Power is selectively fed to the objects by an electromagnetic field using a plastic MEMS-switching matrix
Organic FETs (OFETs) are integrated with actuators, and a Braille sheet display is demonstrated. A newly developed back-gated OFETs SRAM and the circuits technology for the Braille sheet display to enhance speed, yield and lifetime are presented, which will be essential for future large-area electronics made with OFETs
Organic FETs (OFETs) are integrated with actuators and a Braille sheet display is demonstrated. A back-gated OFET SRAM and the circuit technology for the Braille sheet display to enhance speed, yield and lifetime are presented along with essential elements for future large-area electronics made with OFETs
We report the recent progress and future prospects of organic field-effect transistors and their applications to flexible, large-area sensors and actuators such as pocket image scanners for mobile applications, stretchable electronic artificial skins (E-skins) for robots, and Braille sheet display with plastic actuator arrays
A flexible, shock-resistant, and lightweight Braille sheet display has been successfully manufactured on a plastic film by integrating a plastic sheet actuator array with a high-quality organic transistor active matrix. This is the first demonstration, to the best of our knowledge, to integrate plastic MEMS (microelectromechanical systems) actuators with organic transistor active matrices, which opens...
An AlGaAs/GaAs graded-index-waveguide separate-confinement-heterostructure (GRIN-SCH) single-quantum-well (SQW) laser has been monolithically integrated with a couple of field-effect-transistor drivers on a semi-insulating GaAs substrate. The adoption of the GRIN-SCH SQW laser has enabled an improvement in the laser/FET performance, exhibiting a low laser threshold current (12 mA) and a high sensitivity...
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