Au Optronics Corporation

Chiung-Pin Wang

Yi-Jen Chen

Wei-Kai Huang

Chen-Shun Tsai

Tzu-Chieh Lai

Yi-Pai Huang

Cheng-Han Tsao

Ming-Chou Wu

A repairing method for a pixel structure including an active device, a pixel electrode connected with the active device, a bottom electrode disposed under the pixel electrode, upper electrodes disposed between the pixel electrode and the bottom electrode and connected with the pixel electrode, a first dielectric layer disposed between the bottom electrode and the upper electrodes and a second dielectric layer disposed between the upper electrodes and the pixel electrode is provided. The repairing method includes removing a portion of the pixel electrode to electrically isolate the contact region over the upper electrode from the remaining portion of the pixel electrode, wherein a storage capacitor is formed by the reserved region over the upper electrode, the second dielectric layer and the remaining portion of the pixel electrode.

Repairing method for pixel structure with repairable capacitor structures

A pixel structure including an active device, a pixel electrode connected with the active device, a bottom electrode disposed under the pixel electrode, upper electrodes disposed between the pixel electrode and the bottom electrode and connected with the pixel electrode, a first dielectric layer disposed between the bottom electrode and the upper electrodes and a second dielectric layer disposed between the upper electrodes and the pixel electrode is provided. The total area of the upper electrodes overlapping with the bottom electrode is A, and the overlapping portion of the pixel electrode and each upper electrode includes a contact region and a reserved region having total area B. The dielectric constant and thickness of the first dielectric layer is &#x2208;and d; and for second dielectric layer &#x2208;and d, wherein 0.5&#x3c;(&#x2208;&#xb7;d&#xb7;A)/(&#x2208;&#xb7;d&#xb7;B)&#x3c;1.5.

Pixel structures with repairable capacitor structures

A thin film transistor array substrate and method for repairing the same are provided. Each pixel unit of the thin film transistor array substrate has a plurality of upper electrodes, which are coupled to a common line to form a plurality of storage capacitors. If a storage capacitor defects, the portion of the pixel electrode corresponding to the defective storage capacitor is electrically isolated from the other portion of the pixel electrode in the pixel unit. Therefore, the other storage capacitors in the pixel unit can normally display. The thin film transistor array substrate and method for repairing the same provided by the present invention repair the defective storage capacitor in the thin film transistor array substrate and improve the manufacturing yield.

Thin film transistor array substrate with pixel area having a slit located between upper capacitance electrodes and method for repairing the same

A pixel structure electrically connected to a scan line and a data line, includes an active device, a first pixel electrode, a second pixel electrode, a capacitor coupling electrode and a charge releasing device. The active device is electrically connected to the scan line and the data line. The second pixel electrode is electrically isolated from the first pixel electrode. The capacitor coupling electrode is disposed under the second pixel electrode and electrically connected to the data line through the active device. The charge releasing device is electrically connected to the second pixel electrode. The above-described pixel structure is able to effectively solve the image sticking problem. In addition, further provides an active matrix substrate which is able to avoid the image sticking effect.

Pixel structure and active matrix substrate

A thin film transistor array substrate and a repairing method thereof are provided. The thin film transistor array substrate comprises a substrate, plural scan lines, plural data lines, plural common lines, and plural pixels. The scan lines and the data lines are disposed over the substrate and define plural pixel areas. Each pixel is disposed in one of the pixel areas corresponding thereto. Each pixel comprises a thin film transistor, a pixel electrode, a top electrode, and a conductive line. In each pixel, the thin film transistor is coupled to the corresponding scan line and the corresponding data line, and the pixel electrode is disposed over the corresponding common line. Furthermore, the top electrode is disposed between the corresponding pixel electrode and common line, and the conductive line is disposed out of the corresponding common line and coupled between the corresponding top electrode and pixel electrode.

Growing community of inventors

Changhua, Taiwan

Chiung-Pin Wang