| Patent application number | Description | Published |
| 20080286974 | Etching solution for multiple layer of copper and molybdenum and etching method using the same - An etching solution for a multiple layer of copper and molybdenum includes: about 5% to about 30% by weight of a hydrogen peroxide; about 0.5% to about 5% by weight of an organic acid; about 0.2% to about 5% by weight of a phosphate; about 0.2% to about 5% by weight of a first additive having nitrogen; about 0.2% to about 5% by weight of a second additive having nitrogen; about 0.01% to about 1.0% by weight of a fluoric compound; and de-ionized water making a total amount of the etching solution 100% by weight. | 11-20-2008 |
| 20090152556 | Liquid crystal display panel and fabricating method thereof - A liquid crystal display panel includes: a thin film transistor array substrate having a gate line and a data line provided on the substrate; a gate insulating film between the gate line and the data line; a thin film transistor having a source electrode, a drain electrode and a gate electrode; a pixel electrode; a protective film for protecting the thin film transistor; a plurality of pads; a transparent electrode pattern formed on the data line, source electrode and drain electrode; and a color filter array substrate joined to the thin film transistor array substrate so that the color filter substrate does not overlap the pad area of the thin film transistor array substrate, wherein at least one of the gate insulating film and protective film in the pad area is etched using the color filter array substrate as a mask to expose at least one of the plurality of pads. | 06-18-2009 |
| 20090233388 | Manufacturing method of electro line for liquid crystal display device - A manufacturing method of an electro line for a liquid crystal display device includes depositing a barrier layer made of a conducting material on a substrate, depositing a copper layer (Cu) on the barrier layer, wet-etching the Cu layer using a first etchant, and dry-etching the barrier layer using a second etchant using the wet-etched Cu layer as an etch mask. | 09-17-2009 |
| 20090323009 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a liquid crystal display device includes attaching a flexible substrate and a base substrate using an adhesive therebetween, the base substrate including substantially pure iron; forming a plurality of thin films on a surface of the flexible substrate attached to the base substrate, the surface of the flexible substrate opposite to the attached surface of the flexible substrate; and etching the base substrate after forming the plurality of thin films. | 12-31-2009 |
| 20100032613 | Etchant composition, and methods of patterning conductive layer and manufacturing flat panel display device using the same - An etchant composition, and methods of patterning a conductive layer and manufacturing a flat panel display device using the same are provided. The etchant composition may include phosphoric acid, nitric acid, acetic acid, water and an additive, wherein the additive includes a chlorine-based compound, a nitrate-based compound, and an oxidation regulator. In addition, the flat panel display device may be manufactured by patterning a gate electrode, source/drain electrodes and a pixel electrode using the same etchant composition. The gate electrode, source/drain electrodes and the pixel electrode may be formed of different conductive materials. Accordingly, processes are simplified so that manufacturing costs may be reduced and productivity may be improved. | 02-11-2010 |
| 20100163883 | MANUFACTURING METHOD OF ELECTRO LINE FOR LIQUID CRYSTAL DISPLAY DEVICE - A manufacturing method of an electro line for a liquid crystal display device includes depositing a barrier layer made of a conducting material on a substrate, depositing a copper layer (Cu) on the barrier layer, wet-etching the Cu layer using a first etchant, and dry-etching the barrier layer using a second etchant using the wet-etched Cu layer as an etch mask. | 07-01-2010 |
| 20100273276 | LIQUID CRYSTAL DISPLAY DEVICE HAVING A DUMMY PATTERN FOR REPAIRING DATA LINES - A liquid crystal display device and its fabrication method may prevent occurrence of light leakage generated from the sides of a data line. A dummy pattern at sides of the data line with glass powder as an insulation film may simplify the repairing process. A method for fabricating a liquid crystal display device includes a gate electrode, a gate line, a dummy pattern and a first insulation film that are formed on a substrate. A switching element is formed on a portion of the gate electrode and includes a source electrode, a drain electrode and an active layer. A data line formed at a portion of the dummy pattern. A second insulation film is formed on the substrate and has a first contact hole that exposes a portion of the drain electrode. A pixel electrode is formed on the substrate and is electrically connected with the drain electrode through the first contact hole. | 10-28-2010 |