| Patent application number | Description | Published |
| 20080203390 | METHOD FOR MANUFACTURING A SIGNAL LINE, THIN FILM TRANSISTOR PANEL, AND METHOD FOR MANUFACTURING THE THIN FILM TRANSISTOR PANEL - A method for manufacturing a thin film transistor array panel includes forming a gate line on a substrate; sequentially forming a gate insulating layer, a silicon layer, and a conductor layer including a lower layer and an upper layer on the gate line, forming a photoresist film, on the conductor layer, patterning the photoresist film to form a photoresist pattern including a first portion and a second portion having a greater thickness than the first portion, etching the upper layer and the lower layer by using the photoresist pattern as art etch mask, etching the silicon layer by using the photoresist pattern as an etch mask to form a semiconductor, removing the second portion of the photoresist pattern by using an etch back process, selectively wet-etching the upper layer of the conductor layer by using the photoresist pattern as an etch mask, dry-etching the lower layer of the conductor layer by using the photoresist pattern as an etch mask to form a data line and a drain electrode including remaining upper and lower layers, and forming a pixel electrode connected to the drain electrode. | 08-28-2008 |
| 20080308826 | THIN-FILM TRANSISTOR, ARRAY SUBSTRATE HAVING THE THIN-FILM TRANSISTOR AND METHOD OF MANUFACTURING THE ARRAY SUBSTRATE - A thin-film transistor includes a semiconductor pattern, source and drain electrodes and a gate electrode, the semiconductor pattern is formed on a base substrate, and the semiconductor pattern includes metal oxide. The source and drain electrodes are formed on the semiconductor pattern such that the source and drain electrodes are spaced apart from each other and an outline of the source and drain electrodes is substantially same as an outline of the semiconductor pattern. The gate electrode is disposed in a region between the source and drain electrodes such that portions of the gate electrode are overlapped with the source and drain electrodes. Therefore, leakage current induced by light is minimized. As a result, characteristics of the thin-film transistor are enhanced, after-image is reduced to enhance display quality, and stability of manufacturing process is enhanced. | 12-18-2008 |
| 20090033842 | Display panel and method for manufacturing the same - A display panel and a method for manufacturing the same are provided. A blue color filter and a first light shielding pattern are simultaneously formed on top of a substrate through a photolithography process using a blue photoresist layer. Light shielding columns functioning as column spacers are formed above thin film transistors to prevent light leakage through the thin film transistors. | 02-05-2009 |
| 20090162982 | ARRAY SUBSTRATE, DISPLAY DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - An array substrate includes a switching element, a signal transmission line, a passivation layer and a pixel electrode. The switching element is disposed on an insulating substrate. The signal transmission line is connected to the switching element and includes a barrier layer, a conductive line, and a copper nitride layer. The barrier layer is disposed on the insulating substrate. The conductive line is disposed on the barrier layer and includes copper or copper alloy. The copper nitride layer covers the conductive line. The passivation layer covers the switching element and the signal transmission line and has a contact hole through which a drain electrode of the switching element is partially exposed. The pixel electrode is disposed on the insulating substrate, and is connected to the drain electrode of the switching element through the contact hole. | 06-25-2009 |
| 20090184323 | THIN FILM TRANSISTOR ARRAY PANEL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a thin film transistor array panel and a method for manufacturing the same. A thin film transistor array panel according to the present invention includes a substrate, a light blocking member formed on the substrate and including a first furrow and a receiving portion, a gate line disposed on the first furrow, a semiconductor layer disposed on the gate line, a source electrode and a drain electrode formed on the semiconductor layer, and a pixel electrode connected to the drain electrode. The source electrode is an extension of the data line. | 07-23-2009 |
| 20110062445 | DISPLAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - A method of forming a display substrate includes forming an array layer on a substrate, forming a passivation layer on the array layer, forming a photoresist pattern on the passivation layer corresponding to a gate line, a source line and a thin-film transistor of the array layer, etching the passivation layer using the photoresist pattern as a mask, Non-uniformly surface treating a surface of the photoresist pattern, forming a transparent electrode layer on the substrate having the surface-treated photoresist pattern formed thereon and forming a pixel electrode. The forming a pixel electrode includes removing the photoresist pattern and the transparent electrode layer, such as by infiltrating a strip solution into the surface-treated photoresist pattern. | 03-17-2011 |
| 20110140103 | THIN-FILM TRANSISTOR, ARRAY SUBSTRATE HAVING THE THIN-FILM TRANSISTOR AND METHOD OF MANUFACTURING THE ARRAY SUBSTRATE - A thin-film transistor includes a semiconductor pattern, source and drain electrodes and a gate electrode, the semiconductor pattern is formed on a base substrate, and the semiconductor pattern includes metal oxide. The source and drain electrodes are formed on the semiconductor pattern such that the source and drain electrodes are spaced apart from each other and an outline of the source and drain electrodes is substantially same as an outline of the semiconductor pattern. The gate electrode is disposed in a region between the source and drain electrodes such that portions of the gate electrode are overlapped with the source and drain electrodes. Therefore, leakage current induced by light is minimized. As a result, characteristics of the thin-film transistor are enhanced, after-image is reduced to enhance display quality, and stability of manufacturing process is enhanced. | 06-16-2011 |
| 20110169060 | WIRE STRUCTURE, METHOD FOR FABRICATING WIRE, THIN FILM TRANSISTOR SUBSTRATE, AND METHOD FOR FABRICATING THE THIN FILM TRANSISTOR SUBSTRATE - Provided are a wire structure, a method for fabricating a wire, a thin film transistor (TFT) substrate and a method for fabricating a TFT substrate. The wire structure includes a barrier layer formed on a substrate and including a copper layer and a copper solid solution layer. | 07-14-2011 |