Patent application number | Description | Published |
20080290344 | Image Display Device And Method For Manufacturing The Same - An image display device manufactured by using a polycrystalline semiconductor film. The polycrystalline semiconductor film is composed of crystal grains with a region free from crystal grain boundaries of at least 2 μm in width and at least 3 μm in length, small crystal grain boundary groups each composed of three or more crystal grain boundaries arranged substantially in parallel to each other and with an interval of not greater than 100 μm are included in a part of the region, and the small crystal grain boundary groups are partially eliminated. | 11-27-2008 |
20080299693 | Manufacturing method for display device - A manufacturing method for a display device having a first conductive type thin film transistor and a second conductive type thin film transistor, comprising the steps of: in formation regions for a first conductive type thin film transistor and a second conductive type thin film transistor forming a semiconductor layer, a first insulating film covering the semiconductor layer and a gate electrode disposed on the first insulating film so as to intersect the semiconductor layer, on substrate having first conductive type impurity regions on both outer sides of a channel region of the semiconductor layer below the gate electrode forming a second insulating film, in the second insulating film and the first insulating film forming a contact hole for a drain electrode and a source electrode, in the formation region for the second conductive type thin film transistor forming electrodes and a second conductive type impurity region. | 12-04-2008 |
20080316385 | Liquid crystal display device - Three layers are formed on a TFT substrate SUB | 12-25-2008 |
20080316400 | Liquid crystal display apparatus - A liquid crystal display apparatus includes pixel electrodes each supplied with a video signal from a drain bus line through a thin-film transistor driven by a scanning signal from a gate bus line. The pixel includes at least a light reflection film within its area, the light reflection film is flush with the drain bus line, having its surface formed with concave and convex ruggedness segments, the pixel electrode is formed on the top of an insulator film formed to cover the light reflection film and having its surface flattened or leveled and an electrode overlapping the light reflection film and insulated from the pixel electrode is intervened in the insulator film. | 12-25-2008 |
20090040411 | Liquid crystal display - A liquid crystal display, having an improved application of electric field to the molecules of liquid crystal, includes a substrate and a pixel array bonded to the surface of this substrate, and the pixel array includes at least a thin-film transistor and a pixel electrode connected with this thin-film transistor, and the pixel electrode is formed in a layer higher than the thin-film transistor in relation to the substrate. | 02-12-2009 |
20090101895 | DISPLAY DEVICE - A display device includes a pixel including: a gate line; a gate insulating film; a substrate; a data line; a pixel electrode; a semiconductor layer formed on the gate line and the gate insulating film; a protective film formed on the data line, the pixel electrode, and the semiconductor layer; and a thin film transistor. A portion of the gate line also serves as a gate electrode of the thin film transistor. A portion of the data line also serves as a drain electrode of the thin film transistor. A portion of the pixel electrode also serves as a source electrode of the thin film transistor. The semiconductor layer is formed of an oxide semiconductor layer. The oxide semiconductor layer is directly connected to the drain electrode and the source electrode, and the data line and the pixel electrode are formed of different conductive films. | 04-23-2009 |
20090104737 | METHOD FOR MANUFACTURING TFT SUBSTRATE - To provide a method for manufacturing a TFT substrate in which a channel length can be stably formed while the number of masks is reduced, and a method for manufacturing a TFT substrate which can individually control impurity concentrations for channels of an n-type TFT and a p-type TFT without increasing the number of masks. A method for manufacturing a TFT substrate includes processing a gate of the n-type TFT, a gate of the p-type TFT, and an upper capacitor electrode by using a half-tone mask instead of some of normal masks to reduce the number of masks, and changing impurity concentrations of semiconductor films located in regions which become a channel of the n-type TFT, a source and a drain of the n-type TFT, a channel of the p-type TFT, a source and a drain of the p-type TFT, and an lower capacitor electrode, by using a pattern of the half-tone mask and a normal mask. | 04-23-2009 |
20090128518 | Screen-input image display device - The screen-input image display device has a touch panel for outputting touched locations of a finger or the like in contact with a display panel screen; and a sensing circuit for sensing coordinates of the touched locations based on the output of the touch panel. The touch panel has a transparent conductor film which is single layer on a transparent substrate, the transparent conductor film being patterned into numerous electrode pads arranged in rows and columns of a two-dimensional matrix, and surface areas of the electrode pads vary depending on the location of the touch areas. Coordinates of the touch locations are sensed based on the proportion of charge signals of the touch locations due to differences in surface areas of the electrode pads. | 05-21-2009 |
20090261325 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A metallic oxide semiconductor device with high performance and small variations. It is a field effect transistor using a metallic oxide film for the channel, which includes a channel region and a source region and comprises a drain region with a lower oxygen content than the channel region in the metallic oxide, in which the channel region exhibits semiconductor characteristics and the oxygen content decreases with depth below the surface. | 10-22-2009 |
20120074415 | LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device, in which: the gate lines include a first gate line and a second gate line for respectively outputting the scanning signals at two different scanning timings for each of scanning lines; and a unit pixel for color display, constituted by three pixels corresponding to a red (R) pixel, a green (G) pixel, and a blue (B) pixel arranged side by side, is formed in a region surrounded by the first gate line, the second gate line, and the drain lines, and the three pixels corresponding to the red (R) pixel, the green (G) pixel, and the blue (B) pixel are arranged in matrix for the each unit pixel. | 03-29-2012 |
20120261668 | DISPLAY DEVICE - A display device for improving an aperture ratio of the pixel is provided. In the display device, a transparent oxide layer, an insulating film, and a conductive layer are sequentially stacked on a pixel region on a substrate, the conductive layer has a gate electrode of a thin film transistor connected to a gate signal line, and a region of the transparent oxide layer other than at least a channel region portion directly below the gate electrode is converted into an electrically conductive region, and a source signal line, a source region portion of the thin film transistor connected to the source signal line, a pixel electrode, and a drain region portion of the thin film transistor connected to the pixel electrode are formed from the conductive region. | 10-18-2012 |
20120268678 | LIQUID CRYSTAL DISPLAY DEVICE - An object of the present invention is to enhance transmissivity and the luminance of a screen in an IPS liquid crystal display device. To achieve the object, in the IPS liquid crystal display device according to the present invention, a counter electrode is formed flatly and solidly on an organic passivation film, a pixel electrode having a slit is formed on the counter electrode via an interlayer insulation film, and an alignment film the orientation of which is controlled by optical orientation is formed on the pixel electrode. The transmissivity is enhanced by also making the inside of the contact hole function as a transmissible area for image formation by applying optical orientation to the alignment film in the contact hole to result in enhancement of the luminance of the screen. | 10-25-2012 |
20140106490 | DISPLAY DEVICE - A display device for improving an aperture ratio of the pixel is provided. In the display device, a transparent oxide layer, an insulating film, and a conductive layer are sequentially stacked on a pixel region on a substrate, the conductive layer has a gate electrode of a thin film transistor connected to a gate signal line, and a region of the transparent oxide layer other than at least a channel region portion directly below the gate electrode is converted into an electrically conductive region, and a source signal line, a source region portion of the thin film transistor connected to the source signal line, a pixel electrode, and a drain region portion of the thin film transistor connected to the pixel electrode are formed from the conductive region. | 04-17-2014 |
20140248748 | DISPLAY DEVICE - A display device for improving an aperture ratio of the pixel is provided. In the display device, a transparent oxide layer, an insulating film, and a conductive layer are sequentially stacked on a pixel region on a substrate, the conductive layer has a gate electrode of a thin film transistor connected to a gate signal line, and a region of the transparent oxide layer other than at least a channel region portion directly below the gate electrode is converted into an electrically conductive region, and a source signal line, a source region portion of the thin film transistor connected to the source signal line, a pixel electrode, and a drain region portion of the thin film transistor connected to the pixel electrode are formed from the conductive region. | 09-04-2014 |
20140362320 | LIQUID CRYSTAL DISPLAY DEVICE - Gate lines are arranged in a first direction. Drain lines are arranged in a second direction. A first electrode has slits formed therein. Aperture regions surrounded by the drain lines and the gate lines include an aperture region including the slits having a first inclined angle and an aperture region including the slits having a second inclined angle, the second inclined angle being different from the first inclined angle. The aperture region including the slits having the first inclined angle and the aperture region including the slits having the second inclined angle are alternately formed in the first direction. Within the aperture regions arranged adjacent to each other in the first direction, a first region and a second region forming a pair by being arranged so as to be opposed to each other via one of the gate lines form one of pixels. | 12-11-2014 |