Patent application number | Description | Published |
20080303028 | THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - A thin film transistor comprising a gate electrode, a gate insulating layer, an active layer, and source and drain electrodes is provided. The gate electrode overlaps with a channel region of the active layer, the gate insulating layer is provided between the gate electrode and the active layer, the source and drain electrodes overlap a source region and a drain region of the active layer, respectively, and a thin film of SiN | 12-11-2008 |
20090206346 | TFT LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - The present invention discloses a method for manufacturing a TFT LCD array substrate by utilizing the gray tone mask technology and the photoresist lifting-off technology with only two masks in two photolithography processes, and to a TFT LCD array substrate manufactured by the same. In the resultant array substrate, the gate line and the data line are perpendicular to and intersect with each other to define the pixel area, and one of the gate line and the data line is continuous and the other is discontinuous. The array substrate is covered with a passivation protection film. The disconnected gate line or the data line is connected together through the via holes formed in the passivation protection film and the connecting conductive film formed on the passivation protection film. The data line and the source electrode and drain electrode of the TFT are made of the same conductive film, and the connecting conductive film and the pixel electrode are made of the same conductive film in the same photolithography process. | 08-20-2009 |
20100157187 | TFT LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT LCD array substrate and a manufacturing method thereof. The TFT LCD array substrate includes a substrate and a pixel array on the substrate. Each pixel has: a gate line and a gate electrode formed on the substrate; a gate insulating layer formed on the gate line and the gate electrode; a semiconductor layer formed on the gate insulating layer disposed on the gate electrode; an ohmic contact layer having two parts, which are disposed on two sides of the semiconductor layer respectively and are apart from one another; an isolation insulating dielectric layer covering the substrate and the gate insulating layer except a portion on which the semiconductor layer is formed; a pixel electrode formed on the isolation insulating dielectric layer and the ohmic contact layer over the semiconductor layer; a source/drain electrode formed on the pixel electrode over the ohmic contact layer, and a passivation layer at least covering the semiconductor layer. The TFT LCD array substrate can be manufactured with a 3Mask technology, thereby the process steps are reduced and the utilization ratio of the equipment is improved. | 06-24-2010 |
20100165227 | TFT-LCD ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a method of manufacturing an array substrate of TFT-LCD. The method includes the following steps. In step | 07-01-2010 |
20100214518 | TFT-LCD ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor liquid crystal display (TFT-LCD) array substrate and a method for forming the same. The thin film transistor liquid crystal display (TFT-LCD) device, comprising gate lines and data lines that intersecting with each other to define pixel regions, wherein a pixel electrode and a thin film transistor are formed in each of the pixel regions, and wherein the data lines each have a mirror-symmetry structure so that coupling capacitance between one data line and the pixel electrodes in an upper adjacent pixel region and a lower pixel region that are adjacent changes oppositely. | 08-26-2010 |
20100220254 | TFT-LCD ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A thin film transistor liquid crystal display (TFT-LCD) array substrate comprising a gate line and a data line formed on a base substrate. The gate line and the data line intersect with each other to define a pixel region, in which a pixel electrode and a thin film transistor (TFT) are formed, and a first insulating layer and a second insulating layer are interposed between the gate line and the data line, and the pixel electrode is disposed between the first insulating layer and the second insulating layer. A method of manufacturing a TFT-LCD is also disclosed. | 09-02-2010 |
20100245735 | ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - An array substrate comprises a substrate; a plurality of pixel regions in a matrix arrangement on the substrate, and a plurality of signal lines disposed on the substrate and extended parallel to each other. Each pixel region comprises a pixel electrode and a drive switch. At least part of a first signal line and a second signal line of the plurality of the signal lines connected to pixel electrodes in adjacent lines of the pixel region matrix are formed between the pixel electrodes in adjacent lines of the pixel regions matrix. The first signal line and the second signal line are at least partially overlapped in a direction perpendicular to the substrate. An insulating layer is disposed between the overlapped portion of the first and second signal line. | 09-30-2010 |
20100270556 | TFT LCD ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT LCD array substrate and a manufacturing method thereof. The TFT LCD array substrate comprises a substrate. A gate line and a gate electrode that is formed integrally with the gate line are formed on the substrate. A first insulating layer and a semiconductor layer are formed sequentially on the gate line and the gate electrode. A second insulting layer covers sidewalls of the gate line and the gate electrode, the first insulating layer, and the semiconductor layer. An etching stop layer is formed on the semiconductor layer and exposes a part of the semiconductor layer on both sides of the etching stop layer. The TFT LCD of the present invention can be manufactured with a four-mask process. | 10-28-2010 |
20110223700 | THIN FILM TRANSISTOR LIQUID CRYSTAL DISPLAY ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT LCD array substrate and a manufacturing method thereof. The manufacturing method includes the steps of forming a thin film transistor on a substrate to form a gate line and a gate electrode connected with the gate line on the substrate; forming a gate insulating layer and a semiconductor layer on the gate electrode; forming an ohmic contact layer on the semiconductor layer; forming a transparent pixel electrode layer and a source/drain electrode metal layer in sequence on the resultant substrate, wherein the transparent pixel electrode layer is electrically insulated from the gate line and the gate electrode, and the transparent pixel electrode layer forms an ohmic contact with two sides of the semiconductor layer via the ohmic contact layer; and performing masking and etching with a gray tone mask with respect to the resultant substrate to form a transparent pixel electrode, a source/drain electrode and a data line simultaneously. | 09-15-2011 |
20120033149 | ARRAY SUBSTRATE, LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY - An array substrate comprises a first substrate and a plurality of gate lines and a plurality of the data lines provided on the first substrate, the plurality of gate lines and the plurality of the data lines define a plurality of pixel units arranged into a matrix form. Each of the plurality of pixel units comprising: a first electrode having slits, comprising two or more regions where the slits have the different tilt degrees; a second electrode; and a thin film transistor switch, wherein the first electrode and the second electrode are used to form a horizontal electric field for driving liquid crystal molecules, the gate line and the thin film transistor switch are arranged between each two regions of the first electrode, and the thin film transistor switch is controlled by the gate line to operate each region of the first electrode. | 02-09-2012 |
20130056739 | TFT ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT array substrate and a manufacturing method thereof, where the TFT array substrate includes a substrate; a gate line and a gate electrode integrated therewith, which are covered by a gate insulating layer, a semiconductor layer, and a ohmic contact layer sequentially. An insulating layer is formed on the resulting substrate and on both sides of the gate line and the gate electrode, the gate insulating layer, the semiconductor layer, and the ohmic contact layer. A trench is then formed in the ohmic contact layer to divide the ohmic contact layer over the semiconductor layer. A data line and first and second source/drain electrodes are then formed on the insulating layer and the ohmic contact layer. | 03-07-2013 |
20130122622 | TFT-LCD ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A thin film transistor liquid crystal display (TFT-LCD) array substrate comprising a gate line and a data line formed on a base substrate. The gate line and the data line intersect with each other to define a pixel region, in which a pixel electrode and a thin film transistor (TFT) are formed, and a first insulating layer and a second insulating layer are interposed between the gate line and the data line, and the pixel electrode is disposed between the first insulating layer and the second insulating layer. A method of manufacturing a TFT-LCD is also disclosed. | 05-16-2013 |
20130122624 | THIN FILM TRANSISTOR LIQUID CRYSTAL DISPLAY ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT LCD array substrate and a manufacturing method thereof. The manufacturing method includes the steps of: forming a thin film transistor on a substrate to form a gate line and a gate electrode connected with the gate line on the substrate; forming a gate insulating layer and a semiconductor layer on the gate electrode; forming an ohmic contact layer on the semiconductor layer; forming a transparent pixel electrode layer and a source/drain electrode metal layer in sequence on the resultant substrate, wherein the transparent pixel electrode layer is electrically insulated from the gate line and the gate electrode, and the transparent pixel electrode layer forms an ohmic contact with two sides of the semiconductor layer via the ohmic contact layer; and performing masking and etching with a gray tone mask with respect to the resultant substrate to form a transparent pixel electrode, a source/drain electrode and a data line simultaneously. | 05-16-2013 |
20140038371 | THIN FILM TRANSISTOR LIQUID CRYSTAL DISPLAY ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - A TFT LCD array substrate and a manufacturing method thereof. The manufacturing method steps are: forming a thin film transistor on a substrate to form a gate line and a gate electrode connected with the gate line on the substrate; forming a gate insulating layer and a semiconductor layer on the gate electrode; forming an ohmic contact layer on the semiconductor layer; forming a transparent pixel electrode layer and a source/drain electrode metal layer in sequence on the resultant substrate, wherein the transparent pixel electrode layer is electrically insulated from the gate line and the gate electrode, and the transparent pixel electrode layer forms an ohmic contact with two sides of the semiconductor layer via the ohmic contact layer; and performing masking and etching with a gray tone mask with respect to the resultant substrate to form a transparent pixel electrode, a source/drain electrode and a data line simultaneously. | 02-06-2014 |
20140160418 | ARRAY SUBSTRATE OF LCD DISPLAY AND A MANUFACTURING METHOD THEREOF - The present invention relates to an array substrate for an LCD display and manufacturing method. The array substrate comprise a transparent substrate, gate lines and data lines disposed on the transparent substrate, a transparent conducting bar and a gate short-circuit bar. The transparent conducting bar is disposed below the gate short-circuit bar with the gate short-circuit bar and data lines arranged in the same layer. The present invention avoids the problem of burning the gate short-circuit bar due to the occurrence of static discharge and electrical defects in the array substrate are detectable and repairable in the array test process, improving the product rate of the LCD array substrate. | 06-12-2014 |
20140168559 | Array Substrate, Manufacturing Method for the Same and Display Device - According to one aspect of the present invention, the provided is an array substrate. Specifically, the first conductive strip that is coupled to the first data shorting bar and the second conductive strip that is coupled to the second data shorting bar are formed on the array substrate. The width of the first conductive strip is greater than the width of the first data shorting bar. The width of the second conductive strip is greater than the width of the second data shorting bar. The first conductive strip is overlapped with the second conductive strip. Such a structure of the array substrate effectively increases the overlapped capacitance between the data metal layer and the gate metal layer. | 06-19-2014 |