Gate-driving apparatus and display device including the same
AssigneeSamsung Display Co., Ltd.
InventorsHyung-Gi Jung, Jeong-Young Lee, June-Woo Lee, Sok Lee
Life of this patent
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Abstract
A gate driving apparatus includes a first stage which outputs a first gate output signal, and a second stage which outputs a second gate output signal. The first stage includes: a transistor which includes a gate electrode, a source electrode and a drain electrode; and a dummy transistor which includes a dummy gate electrode, a dummy source electrode and a dummy drain electrode. The gate electrode receives the second gate output signal, and the dummy source electrode is connected to the source electrode or the drain electrode of the transistor and prevents static electricity from flowing to the first stage.
Claims13
A gate driving apparatus comprising:
- a first stage which outputs a first gate output signal;
- and
- a second stage which outputs a second gate output signal,
- wherein the first stage comprises:
- a transistor comprising a gate electrode, a source electrode and a drain electrode;
- and
- a dummy transistor comprising a dummy gate electrode, a dummy source electrode and a dummy drain electrode, wherein
- the gate electrode receives the second gate output signal, and
- the dummy source electrode is connected to one of the source electrode and the drain electrode to prevent static electricity from reaching the first stage,
- wherein the first stage comprises:
- a first output unit which provides the first gate output signal;
- and
- a second output unit which receives the second gate output signal,
- wherein the dummy transistor is disposed in the second output unit.
A gate driving apparatus comprising:
- a first stage which outputs a first gate output signal;
- and
- a second stage which outputs a second gate output signal,
- wherein the first stage comprises:
- a transistor comprising a gate electrode, a source electrode and a drain electrode;
- and
- a dummy transistor comprising a dummy gate electrode, a dummy source electrode and a dummy drain electrode,
- wherein the gate electrode receives the second gate output signal, and
- the dummy source electrode is connected to one of the source electrode and the drain electrode to prevent static electricity from reaching the first stage,
- wherein the first stage comprises a discharging unit which receives the second gate output signal and discharges a pull-up node to a gate-off voltage,
- wherein the dummy transistor is disposed in the discharging unit.
A gate driving apparatus comprising:
- a first stage which outputs a first gate output signal;
- and
- a second stage which outputs a second gate output signal,
- wherein the first stage comprises:
- a transistor comprising a gate electrode, a source electrode and a drain electrode;
- and
- a dummy transistor comprising a dummy gate electrode, a dummy source electrode and a dummy drain electrode,
- wherein the gate electrode receives the second gate output signal, and
- the dummy source electrode is connected to one of the source electrode and the drain electrode to prevent static electricity from reaching the first stage,
- wherein the first stage comprises a holding unit which holds the pull-up node at the gate-off voltage,
- wherein the dummy transistor is disposed in the holding unit.
Dependencies are inferred from the claim text.