Patent application number | Description | Published |
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 |
20100093122 | THIN FILM PATTERNING METHOD AND METHOD FOR MANUFACTURING A LIQUID CRYSTAL DISPLAY DEVICE - A thin film patterning method comprising: depositing a first thin film and applying a photoresist layer on the first thin film; exposing and developing the photoresist layer to define first, second and third regions, wherein the photoresist layer in the first region is thicker than that in the second region, and no photoresist layer is left in the third region; over-etching to remove the first thin film in the third region and form an over-etched region in the peripheral region of the first region; removing a part of the photoresist layer to expose the first thin film in the second region; depositing a second thin film so that the first thin film contacts the second thin film in the second region; and lifting off the photoresist layer to remove the second thin film in the first region and exposing the substrate in the over-etched region of the first region. | 04-15-2010 |
20100231818 | HORIZONTAL ELECTRIC FIELD TYPE LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - The embodiments of the present invention relate to a horizontal electric field type LCD and a manufacturing method thereof. The horizontal electric field type LCD comprises a first substrate, a second substrate, a liquid crystal layer sandwiched between the first substrate and the second substrate, and a spacer disposed between the first and the second substrates. Said first substrate comprises a thin film transistor, and a gate line and a data line for driving the thin film transistor. Said second substrate comprises a pixel electrode and a common electrode corresponding to and forming a horizontal electric field with the pixel electrode. Said spacer is a conductive spacer electrically connecting each pixel electrode on the second substrate to the corresponding thin film transistor on the first substrate. | 09-16-2010 |
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 |
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 |
20140240648 | LIQUID CRYSTAL PANEL AND FABRICATING METHOD THEREOF AND DISPLAY - Embodiments of the present invention relate to a liquid crystal panel and a fabricating method thereof and a display. The liquid crystal panel comprises: an array substrate and a color filter substrate bonded by a first sealant, with a region surrounded by the first sealant between the array substrate and the color filter substrate forming a liquid crystal panel display region filled with liquid crystal. In addition, the liquid crystal panel further comprises: a liquid crystal buffer region, located at the outer side of the first sealant; a liquid crystal channel, through which the liquid crystal buffer region and the liquid crystal panel display region are connected; and a covering layer, covering at least a position where the liquid crystal channel connects with the liquid crystal panel display region. | 08-28-2014 |