Electrostatic protection device and display panel
AssigneeShenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorXiang XIAO
Life of this patent
Estimating the term…
Abstract
An embodiment of the present invention discloses an electrostatic protection device and a display panel. The electrostatic protection device includes a first electric discharge circuit and a second electric discharge circuit. An input terminal of the first electric discharge circuit is connected to a display circuit of the display panel. An output terminal of the first electric discharge circuit is connected to an electrostatic discharge line. An input terminal of the second electric discharge circuit is connected to an external signal input terminal of the display circuit. An output terminal of the second electric discharge circuit is connected to the electrostatic discharge line. The present invention can prevent damages of the display panel.
Claims20
An electrostatic protection device, wherein the electrostatic protection device comprises a first electric discharge circuit and a second electric discharge circuit;
- an input terminal of the first electric discharge circuit is connected to a display circuit of a display panel, an output terminal of the first electric discharge circuit is connected to an electrostatic discharge line, the first electric discharge circuit is configured to discharge static electricity to the electrostatic discharge line when the display circuit of the display panel generates static electricity, wherein the display circuit is located in a display region of the display panel;
- the first electric discharge circuit is one of a resistor-type electric discharge circuit, a floating-gate-type electric discharge circuit, and a diode-type electric discharge circuit, the input terminal of the first electric discharge circuit is connected to a scan line or a data line in the display circuit to discharge static electricity generated from the scan line or the data line, an external signal input terminal is located on an end portion of the scan line or the data line to input a scan signal or a data signal into the scan line or the data line;
- and
- an input terminal of the second electric discharge circuit is connected to the external signal input terminal of the display circuit, the external signal input terminal is configured to input a signal into the display circuit, an output terminal of the second electric discharge circuit is connected to the electrostatic discharge line, the second electric discharge circuit discharges static electricity into the electrostatic discharge line when the external signal input terminal generates static electricity to prevent static electricity generated on the external signal input terminal from entering the display circuit.
An electrostatic protection device, wherein the electrostatic protection device comprises a first electric discharge circuit and a second electric discharge circuit;
- the input terminal of the first electric discharge circuit is connected to the display circuit of the display panel, the output terminal of the first electric discharge circuit is connected to the electrostatic discharge line, the first electric discharge circuit is configured to discharge static electricity to the electrostatic discharge line when the display circuit of the display panel generates static electricity, wherein the display circuit is located in the display region of the display panel;
- and
- the input terminal of the second electric discharge circuit is connected to the external signal input terminal of the display circuit, the external signal input terminal is configured to input a signal into the display circuit, the output terminal of the second electric discharge circuit is connected to the electrostatic discharge line, the second electric discharge circuit discharge static electricity to the electrostatic discharge line when the external signal input terminal generates static electricity to prevent the static electricity generated on the external signal input terminal from entering the display circuit.
A display panel, wherein the display panel comprises an electrostatic protection device, the electrostatic protection device comprises a first electric discharge circuit and a second electric discharge circuit;
- the input terminal of the first electric discharge circuit is connected to the display circuit of the display panel, the output terminal of the first electric discharge circuit is connected to the electrostatic discharge line, the first electric discharge circuit is configured to discharge static electricity to the electrostatic discharge line when the display circuit of the display panel generates static electricity, wherein the display circuit is located in the display region of the display panel;
- and
- the input terminal of the second electric discharge circuit is connected to the external signal input terminal of the display circuit, the external signal input terminal is configured to input a signal into the display circuit, the output terminal of the second electric discharge circuit is connected to the electrostatic discharge line, the second electric discharge circuit discharge static electricity to the electrostatic discharge line when the external signal input terminal generates static electricity to prevent the static electricity generated on the external signal input terminal from entering the display circuit.
Dependencies are inferred from the claim text.