Array substrate and driving method thereof, display device
AssigneesBoe Technology Group Co., Ltd., Chengdu Boe Optoelectronics Technology Co., Ltd.
InventorsTao Hou, Junping Bao, Xinghua Li
Life of this patent
Estimating the term…
Abstract
An array substrate, a driving method thereof and a display device are provided. The array substrate includes a base substrate, a pixel electrode located on the base substrate; a first gate line and a second gate line located on the base substrate at both sides of the pixel electrode, respectively, the pixel electrode being partially overlapped with the first gate line and the second gate line respectively to form a first storage capacitor and a second storage capacitor respectively; and a gate driver connected with the first gate line and the second gate line and configured to sequentially provide a gate signal to the first gate line and the second gate line and perform a waveform chamfering operation to the gate signal.
Claims17
An array substrate, comprising:
- a base substrate,
- a pixel electrode, located on the base substrate;
- a first gate line and a second gate line, located on the base substrate at both sides of the pixel electrode, respectively, the pixel electrode being partially overlapped with the first gate line and the second gate line, respectively, to form a first storage capacitor and a second storage capacitor, respectively;
- a gate driver, connected with the first gate line and the second gate line, respectively, and configured to sequentially provide a gate signal to the first gate line and the second gate line and perform a waveform chamfering operation to the gate signal;
- a data line, located on the base substrate;
- and
- a thin film transistor, comprising a gate electrode connected with the first gate line, a source electrode connected with the pixel electrode, and a drain electrode connected with the data line, a parasitic capacitor being formed between the gate electrode and the source electrode, wherein
- a sum of capacitance values of the first storage capacitor and the second storage capacitor is not less than 10 times of a capacitance value of the parasitic capacitor, and
- at least one of the capacitance values of the first storage capacitor and the second storage capacitor is 2 to 8 times of the capacitance value of the parasitic capacitor.
An array substrate, comprising:
- a base substrate,
- a pixel electrode, located on the base substrate;
- a first gate line and a second gate line, located on the base substrate at both sides of the pixel electrode, respectively, the pixel electrode being partially overlapped with the first gate line and the second gate line, respectively, to form a first storage capacitor and a second storage capacitor, respectively;
- a gate driver, connected with the first gate line and the second gate line, respectively, and configured to sequentially provide a gate signal to the first gate line and the second gate line and perform a waveform chamfering operation to the gate signal;
- a data line, located on the base substrate;
- and
- a thin film transistor, comprising a gate electrode connected with the first gate line, a source electrode connected with the pixel electrode, and a drain electrode connected with the data line, a parasitic capacitor being formed between the gate electrode and the source electrode, wherein
- the first gate line comprises a first protrusion overlapped with the pixel electrode, and the first storage capacitor is formed between the first protrusion and the pixel electrode;
- the second gate line comprises a second protrusion overlapped with the pixel electrode, and the second storage capacitor is formed between the second protrusion and the pixel electrode,
- an overlap area of the first protrusion and the pixel electrode is a first overlap area, an overlap area of the second protrusion and the pixel electrode is a second overlap area, and
- a difference between the first overlap area and the second overlap area is not greater than three times of a smaller one of the first overlap area and the second overlap area.
Dependencies are inferred from the claim text.