| Patent application number | Description | Published |
|---|
| 20090261339 | GATE DRIVER ON ARRAY OF A DISPLAY AND METHOD OF MAKING DEVICE OF A DISPLAY - In a method of making device of a display, an insulating layer, a semiconductor layer, an ohmic contact layer, a second conductive layer, and a photoresist pattern are consecutively formed on a first conductive structure. The photoresist pattern includes a first thickness region, and a second thickness region outside the first thickness region. The thickness of the second thickness region is smaller than that of the first thickness region. In addition, in a gate driver on array (GOA) of a display, it includes a gate driver on array structure with a pull-down transistor. The pull-down transistor has a gate electrode, a semiconductor island, a source electrode and a drain electrode. The semiconductor island extends out of the edges of the gate electrode, the source electrode, and the drain electrode. | 10-22-2009 |
| 20100085083 | GATE DRIVING CIRCUIT HAVING A LOW LEAKAGE CURRENT CONTROL MECHANISM - A gate driving circuit having a low leakage current control mechanism is disclosed for providing a plurality of gate signals forwarded to a plurality of gate lines respectively. The gate driving circuit includes a plurality of shift registers. Each shift register includes a driving unit, an energy store unit, a buffer unit, a voltage regulation unit, and a control unit. The driving unit generates a gate signal based on a driving control voltage and a first clock. The buffer unit functions to receive a start pulse signal. The energy store unit provides the driving control voltage through performing a charging process based on the start pulse signal. The control unit generates a control signal based on the first clock and a second clock having a phase opposite to the first clock. The voltage regulation unit regulates the driving control voltage based on the control signal. | 04-08-2010 |
| 20100201902 | Display Device and Repairing Method Therefor - In a display device and a repairing method therefor, the display device includes a gate line and two gate-on-array circuits arranged at two sides thereof. Each of the gate-on-array circuits includes a stage coupled to the gate line. Each the stage includes a transistor and a repair circuit. The first source/drain electrode of the transistor is coupled to the gate line, and the second source/drain electrode of the transistor is coupled to receive a clock pulse signal. The repair circuit includes a first terminal coupled to the gate electrode of the transistor, a second terminal coupled to a predetermined potential, and at least one control terminal adapted to receive at least one repair signal to pull the potential on the gate electrode of the transistor to the predetermined potential. The transistor maintains at off-state when the at least one repair signal is supplied to the repair circuit. | 08-12-2010 |
| 20100309191 | SHIFT REGISTER AND A LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A shift register of an LCD device operates based on two clock signals and maintains the gate voltage of an output transistor switch using two pull-down transistor switches. The gate voltages of the pull-down transistor switches are switched periodically between the high and low level of the clock signals. During the output period, the transistor switches have negative gate-source voltages so as to reduce leakage. | 12-09-2010 |
| 20110018001 | GATE DRIVER ON ARRAY OF A DISPLAY - A gate driver on array of a display includes a substrate having a peripheral region, and a gate driver on array structure formed in the peripheral region. The gate driver on array structure includes a pull-down transistor, and the pull-down transistor has a gate electrode, an insulating layer, a semiconductor island, a source electrode, and a drain electrode. The semiconductor island extends out of both edges of the gate electrode, and extends out of an edge of the source electrode and an edge of the drain electrode. | 01-27-2011 |
| 20110169798 | Active Matrix Organic Light Emitting Diode (OLED) Display, Pixel Circuit and Data Current Writing Method Thereof - An exemplary active matrix organic light emitting diode (OLED) display includes a data line, a current sensing line, a power line and a plurality of pixels all electrically coupled to the data line, the current sensing line and the power line. During a data current is writing to a selected one of the pixels, the selected pixel draws a current from the current sensing line, and the data line supplies a particular data voltage to the selected pixel according to the drawn current from the current sensing line until the drawn current matched with the data current; the other non-selected pixels draw currents from the power line for light-emission. Moreover, a pixel circuit and a data current writing method adapted for the above-mentioned active matrix OLED display also are provided. | 07-14-2011 |
| 20110260630 | ORGANIC LIGHT-EMITTING DIODE DISPLAY - An OLED display includes an OLED panel, two conducting wires and a power supply. A display region of the OLED panel is divided into two sub-display regions. The two conducting wires are both disposed on the panel and out of the display region, and first terminals of the two conducting wires are electrically coupled to pixels in the first sub-display region and the second sub-display region respectively. The length of a conducting wire is longer than that of another conducting wire so that the resistance of the conducting wire is larger than that of the said another conducting wire. The power supply provides a relatively high voltage and a relatively low voltage to the second terminals of the relatively long conducting wire and the relatively short conducting wire respectively, so that the voltages of the first terminals of the two conducting wires are substantially the same. | 10-27-2011 |
| 20110279435 | DISPLAY DEVICE AND DISPLAYING METHOD THEREOF, AND DRIVING CIRCUIT FOR CURRENT-DRIVEN DEVICE - The present invention provides a display device, a displaying method thereof and a driving circuit for current-driven device. Each pixel of the display device includes a current-driven device and a driving circuit. A first terminal of the current-driven device is electrically coupled to a first preset voltage. The driving circuit includes a switch module and a capacitor. The switch module is electrically coupled to a data signal, a second terminal of the current-driven device and a second preset voltage. The switch module is for determining whether a current is allowed to flow through the current-driven device and setting a value of the current according to the data signal. The capacitor is electrically coupled between a periodically changed resetting signal and the switch module, to couple the resetting signal into the switch module to reset a voltage at a connection node between the capacitor and the switch module. | 11-17-2011 |
