Patent application number | Description | Published |
20090039354 | TFT ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - Provided are a thin film transistor (TFT) array substrate and the method manufacturing thereof. The TFT array substrate comprising: a substrate, and a gate line and a data line formed on the substrate, the gate line and the data line being separated by a gate insulating layer therebetween and intersecting to define a pixel unit, the pixel unit at least including a TFT device and a pixel electrode. The data line and a source electrode of the thin film transistor device are formed as an integral structure, and an active layer is formed below both the data line and the source electrode of the thin film transistor device. | 02-12-2009 |
20090236605 | TFT-LCD PIXEL STRUCTURE AND MANUFACTURING METHOD THEREOF - A thin film transistor liquid crystal display (TFT-LCD) pixel structure comprising: a gate line and a gate electrode formed on a substrate; a first insulating layer, a semiconductor layer, and a doped semiconductor layer formed sequentially on the gate electrode and the gate line, wherein an isolating groove is formed above the gate line which disconnects the semiconductor layer on the gate line; a second insulating layer covering the isolating groove and a portion of the substrate where the gate line and the gate are not formed; a pixel electrode formed on the second insulating layer, wherein the pixel electrode is integral with a drain electrode and is connected with the doped semiconductor layer on the gate electrode at a place where the drain electrode is formed; a source electrode, which is a portion of a data line, formed on the doped semiconductor layer; and a channel formed between the source electrode and the drain electrode. | 09-24-2009 |
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 |
20110108849 | TFT-LCD PIXEL UNIT AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor liquid crystal display (TFT-LCD) pixel unit and a method for manufacturing the same. The pixel unit comprises a gate line and a gate electrode formed on a substrate and a first gate insulating layer, an active layer, and a doped layer sequentially that are formed on the gate line and the gate electrode. An intercepting trench is formed on the gate line to cut off the doped layer and the active layer on the gate line. A second insulating layer covers the intercepting trench and the substrate where the gate line and the gate electrode are not formed. A pixel electrode is formed on the second insulating layer and is integrated with the second source/drain electrode. | 05-12-2011 |
20110171767 | MANUFACTURING METHOD FOR A THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY - A pixel unit of TFT-LCD array substrate and a manufacturing method thereof is disclosed. In the manufacturing method, besides a first insulating layer and a passivation layer, a second insulating layer is adopted to cover the gate island, and forms an opening on the gate island to expose the channel region, the source region and the drain region of the TFT. A gray tone mask and a photoresist lifting-off process are utilized to perform patterning, so that the TFT-LCD array substrate can be achieved with just three masks. | 07-14-2011 |
20110204373 | TFT-LCD PIXEL UNIT AND METHOD FOR MANUFACTURING THE SAME - A thin film transistor liquid crystal display (TFT-LCD) pixel unit and a method for manufacturing the same. The pixel unit comprises a gate line and a gate electrode formed on a substrate and a first gate insulating layer, an active layer, and a doped layer that are sequentially formed on the gate line and the gate electrode. An intercepting trench is formed on the gate line to cut off the doped layer and the active layer on the gate line. A second insulating layer covers the intercepting trench and the substrate where the gate line and the gate electrode are not formed. A pixel electrode is formed on the second insulating layer and a part of the pixel electrode overlaps one of a source and drain electrodes. | 08-25-2011 |
20120034722 | MANUFACTURING METHOD FOR A THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY - A pixel unit of TFT-LCD array substrate and a manufacturing method thereof is disclosed. In the manufacturing method, besides a first insulating layer and a passivation layer, a second insulating layer is adopted to cover the gate island, and forms an opening on the gate island to expose the channel region, the source region and the drain region of the TFT. A gray tone mask and a photoresist lifting-off process are utilized to perform patterning, so that the TFT-LCD array substrate can be achieved with just three masks. | 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 |
20140054703 | ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF - Embodiments of the invention provide an array substrate comprising a plurality of pixel units, each of the pixel units including a first display electrode, a second display electrode and an insulating portion, wherein, the insulating portion comprises a plurality of first via holes; the first display electrode is disposed at a surface of the insulating portion, and the second display electrode is disposed at bottom surfaces of the first via holes. Embodiments of the invention further provide a method for manufacturing the array substrate. | 02-27-2014 |