Two-way electrostatic discharge protection circuit
First Claim
1. An ESD protection circuit electrically connected to a first conductive line and a second conductive line and comprising a first ESD protection circuit unit, wherein the first ESD protection circuit unit comprises:
- a first active device comprising a first source, a first drain, and a first gate, wherein the first source and the first gate are electrically connected to the first conductive line;
a second active device comprising a second source, a second drain, and a second gate, wherein the second gate is electrically connected to the first conductive line, the second source is electrically connected to the first drain, and the second drain is electrically connected to the second conductive line; and
a third active device comprising a third source, a third drain, and a third gate, wherein the third drain is electrically connected to the first drain and the second source, and the third source and the third gate are electrically connected to the second conductive line.
1 Assignment
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Accused Products
Abstract
An electrostatic discharge (ESD) protection circuit electrically connected to a first conductive line and a second conductive line is provided. The ESD protection circuit has a first ESD protection circuit unit, wherein the first ESD circuit unit includes a first coupled capacitor and a first active device. The first coupled capacitor includes a first electrode and a second electrode, wherein the first electrode is electrically connected to the first conductive line. The first active device includes a first gate, a first source and a first drain, wherein the first gate is electrically connected to the second electrode. In addition, the first source and the first electrode are electrically connected to the first conductive line, and the first drain is electrically connected to the second conductive line. Therefore, the conduction efficiency of the ESD protection circuit is improved.
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Citations
10 Claims
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1. An ESD protection circuit electrically connected to a first conductive line and a second conductive line and comprising a first ESD protection circuit unit, wherein the first ESD protection circuit unit comprises:
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a first active device comprising a first source, a first drain, and a first gate, wherein the first source and the first gate are electrically connected to the first conductive line; a second active device comprising a second source, a second drain, and a second gate, wherein the second gate is electrically connected to the first conductive line, the second source is electrically connected to the first drain, and the second drain is electrically connected to the second conductive line; and a third active device comprising a third source, a third drain, and a third gate, wherein the third drain is electrically connected to the first drain and the second source, and the third source and the third gate are electrically connected to the second conductive line. - View Dependent Claims (2, 3, 4, 5)
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6. An active device array substrate, having a display region and a peripheral circuit region outside the display region, wherein the active device array substrate comprises:
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a substrate; a plurality of pixel units arranged on the substrate and inside the display region; a plurality of first conductive lines disposed on the substrate and inside the display region, wherein the first conductive lines are electrically connected to the pixel units and extended to the peripheral circuit region; a plurality of second conductive lines disposed on the substrate and inside the peripheral circuit region; a plurality of ESD protection circuits disposed on the substrate and inside the peripheral circuit region and electrically connected to the first conductive lines and the second conductive lines, wherein each of the respective ESD protection circuits has a first ESD protection circuit unit comprising; a first active device comprising a first source, a first drain, and a first gate, wherein the first source and the first gate are electrically connected to the first conductive line; a second active device comprising a second source, a second drain, and a second gate, wherein the second gate is electrically connected to the first conductive line, the second source is electrically connected to the first drain, and the second drain is electrically connected to the second conductive line; and a third active device comprising a third source, a third drain, and a third gate, wherein the third drain is electrically connected to the first drain and the second source, and the third source and the third gate are electrically connected to the second conductive line. - View Dependent Claims (7, 8, 9, 10)
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Specification