| Patent application number | Description | Published |
| 20090026452 | Liquid crystal display device and electronic device provided with the same - A liquid crystal display device provided with a thin film transistor with excellent electrical characteristics and reduced off current, for which increase in manufacturing costs can be suppressed while suppressing reduction in yield. A thin film transistor includes a gate electrode provided over a substrate; a gate insulating film provided to cover the substrate and the gate electrode; a first island-shaped semiconductor layer and a second island-shaped semiconductor layer each formed as a stack of a microcrystalline semiconductor layer and a buffer layer with a depression on an upper surface thereof, over the gate electrode with the gate insulating film interposed therebetween; a conductive semiconductor layer; and a conductive layer provided on the conductive semiconductor layer. The conductive semiconductor layer is provided between the first island-shaped semiconductor layer and the second island-shaped semiconductor layer in contact with the gate insulating film. | 01-29-2009 |
| 20090039352 | Display device and electronic device having the display device, and method for manufacturing thereof - To provide a display device including a thin film transistor in which high electric characteristics and reduction in off-current can be achieved. The display device having a thin film transistor includes a substrate, a gate electrode provided over the substrate, a gate insulating film provided over the gate electrode, a microcrystalline semiconductor film provided over the gate electrode with the gate insulating film interposed therebetween, a channel protection layer which is provided over and in contact with the microcrystalline semiconductor film, an amorphous semiconductor film provided over the gate insulating film and on a side surface of the microcrystalline semiconductor film and the channel protection layer, an impurity semiconductor layer provided over the amorphous semiconductor film, and a source electrode and a drain electrode provided over and in contact with the impurity semiconductor layer. The thickness of the amorphous semiconductor film is larger than that of the microcrystalline semiconductor film. | 02-12-2009 |
| 20090078939 | Display device and method for manufacturing the same - To provide a display device which can realize high performance of a field-effect transistor which forms a pixel of the display device and which can achieve improvement in an aperture ratio of a pixel, which has been reduced due to increase in the number of field-effect transistors, and reduction in the area of the field-effect transistor which occupies the pixel, without depending on a microfabrication technique of the field-effect transistor, even when the number of field-effect transistors in the pixel is increased. A display device is provided with a plurality of pixels in which a plurality of field-effect transistors including a semiconductor layer which is separated from a semiconductor substrate and is bonded to a supporting substrate having an insulating surface are stacked with a planarization layer interposed therebetween. | 03-26-2009 |
| 20100044713 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE PROVIDED WITH THE SAME - A liquid crystal display device provided with a thin film transistor with excellent electrical characteristics and reduced off current, for which increase in manufacturing costs can be suppressed while suppressing reduction in yield. A thin film transistor includes a gate electrode provided over a substrate; a gate insulating film provided to cover the substrate and the gate electrode; a first island-shaped semiconductor layer and a second island-shaped semiconductor layer each formed as a stack of a microcrystalline semiconductor layer and a buffer layer with a depression on an upper surface thereof, over the gate electrode with the gate insulating film interposed therebetween; a conductive semiconductor layer; and a conductive layer provided on the conductive semiconductor layer. The conductive semiconductor layer is provided between the first island-shaped semiconductor layer and the second island-shaped semiconductor layer in contact with the gate insulating film. | 02-25-2010 |
| 20100061136 | Semiconductor Memory Device and Semiconductor Device - An anti-fuse memory device includes a plurality of word lines, a plurality of bit lines, and a memory cell provided with respect to an intersecting portion of any of the plurality of word lines and any of the plurality of bit lines. Memory cell includes a PIN diode and an anti-fuse. An anode of the PIN diode is electrically connected to any of the bit lines. A cathode of the PIN diode is electrically connected to a first terminal of the anti-fuse. A second terminal of the anti-fuse is electrically connected to any of the word lines. The anti-fuse includes a silicon layer and an insulating layer which are interposed between electrodes. | 03-11-2010 |
| 20100277443 | Electronic Book - An e-book reader in which destruction of a driver circuit at the time when a flexible panel is handled is inhibited. In addition, an e-book reader having a simplified structure. A plurality of flexible display panels each including a display portion in which display control is performed by a scan line driver circuit and a signal line driver circuit, and a binding portion fastening the plurality of display panels together are included. The signal line driver circuit is provided inside the binding portion, and the scan line driver circuit is provided at the edge of the display panel in a direction perpendicular to the binding portion. | 11-04-2010 |
| 20100277448 | Display Device - The display device includes: a flexible display panel including a display portion in which scanning lines and signal lines cross each other; a supporting portion for supporting an end portion of the flexible display panel; a signal line driver circuit for outputting a signal to the signal line, which is provided for the supporting portion; and a scanning line driver circuit for outputting a signal to the scanning line, which is provided for a flexible surface of the display panel in a direction which is perpendicular or substantially perpendicular to the supporting portion. | 11-04-2010 |
| 20110007042 | DISPLAY DEVICE - To provide a display device including a flexible panel that can be handled without seriously damaging a driver circuit or a connecting portion between circuits. The display device includes a bent portion obtained by bending an element substrate. A circuit for driving the display device is provided in the bent portion and a wiring extends from the circuit, whereby the strength of a portion including the circuit for driving the display device is increased and failure of the circuit is reduced. Furthermore, the element substrate is bent in a connecting portion between an external terminal electrode and an external connecting wiring (FPC) so that the element substrate provided with the external terminal electrode fits the external connecting wiring, whereby the strength of the connecting portion is increased. | 01-13-2011 |
| 20110032227 | ELECTRONIC BOOK - An object is to improve visibility without causing increases in device size and cost. Another object is to improve visibility and reduce the burden on a user without blocking external light when reflection of external light is high. An electronic book includes a display panel having an electrophoretic display element controllable by a pixel circuit of each pixel, and an illuminance sensor, and a display control portion having a circuit configured to correct an image signal for the electrophoretic display element to display a grayscale image in accordance with illuminance that is detected by the illuminance sensor. | 02-10-2011 |