Electronic device with electrostatic protection circuits connected to diode and driving circuits
AssigneeInnolux Corporation
InventorChun-Hsien Lin
Life of this patent
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Abstract
An electronic device includes a diode, a driving circuit, a first signal line, a second signal line, a first electrostatic protection circuit and a second electrostatic protection circuit. The diode has a first end and a second end. The first signal line is coupled between the first end and the driving circuit. The second signal line is coupled between the second end and the driving circuit. The first electrostatic protection circuit is coupled to the first signal line. The second electrostatic protection circuit is coupled to the second signal line.
Claims20
An electronic device, comprising:
- a diode comprising a first end and a second end;
- a driving circuit;
- a first signal line coupled between the first end and the driving circuit;
- a second signal line coupled between the second end and the driving circuit;
- a first electrostatic protection circuit coupled to the first signal line;
- and
- a second electrostatic protection circuit coupled to the second signal line, wherein the first electrostatic protection circuit comprises:
- a first transistor comprising a first semiconductor layer, a first gate, a first drain and a first source, wherein the first gate and the first source are coupled to the first signal line, and the first drain is coupled to a low voltage source;
- and
- a second transistor comprising a second semiconductor layer, a second gate, a second drain and a second source, wherein the second gate and the second source are coupled to a high voltage source, and the second drain is coupled to the first signal line.
An electronic device, comprising:
- a diode comprising a first end and a second end;
- a driving circuit;
- a first signal line coupled between the first end and the driving circuit;
- a second signal line coupled between the second end and the driving circuit;
- a first electrostatic protection circuit coupled to the first signal line;
- and
- a second electrostatic protection circuit coupled to the second signal line, wherein the second electrostatic protection circuit comprises:
- a third transistor comprising a third semiconductor layer, a third gate, a third drain and a third source, wherein the third gate and the third source are coupled to the second signal line, and the third drain is coupled to a low voltage source;
- and
- a fourth transistor comprising a fourth semiconductor layer, a fourth gate, a fourth drain and a fourth source, wherein the fourth gate and the fourth source are coupled to a high voltage source, and the fourth drain is coupled to the second signal line.
Dependencies are inferred from the claim text.