阅读说明：本技术 静电释放保护电路、显示基板和显示装置 (Electrostatic discharge protection circuit, display substrate and display device ) 是由 许卓 白雅杰 王孝林 马童国 葛永利 于 2019-01-04 设计创作，主要内容包括：一种静电释放保护电路、显示基板和显示装置。该静电释放保护电路包括：第一导电部,具有端部；和至少一个静电释放部,与所述第一导电部同层设置并且与所述第一导电部的端部彼此间隔,所述至少一个静电释放部配置为释放在所述第一导电部的端部处产生的静电电荷。由于静电释放部位于第一导电部端部的附近,在端部处积累的静电电荷能通过静电释放部得到释放,这样,静电释放部能分担击穿电流,防止静电进入其他有效电路。(An electrostatic discharge protection circuit, a display substrate and a display device are provided. The electrostatic discharge protection circuit includes: a first conductive portion having an end; and at least one electrostatic discharge portion provided in the same layer as the first conductive portion and spaced apart from an end portion of the first conductive portion, the at least one electrostatic discharge portion being configured to discharge electrostatic charges generated at the end portion of the first conductive portion. Since the electrostatic discharge portion is located in the vicinity of the end portion of the first conductive portion, electrostatic charges accumulated at the end portion can be discharged through the electrostatic discharge portion, so that the electrostatic discharge portion can share a breakdown current, preventing static electricity from entering other effective circuits.)

An electrostatic discharge protection circuit comprising:

a first conductive portion having an end; and

at least one electrostatic discharge portion provided in the same layer as the first conductive portion and spaced apart from an end portion of the first conductive portion, the at least one electrostatic discharge portion being configured to discharge electrostatic charges generated at the end portion of the first conductive portion.

The electrostatic discharge protection circuit according to claim 1, wherein the at least one electrostatic discharge portion is located on at least one side surface of an end portion of the first conductive portion.

The electrostatic discharge protection circuit according to claim 1, wherein the at least one electrostatic discharge portion is located on two opposite side surfaces of an end portion of the first conductive portion, and a distance from the at least one electrostatic discharge portion to the two opposite side surfaces of the end portion is equal.

The electrostatic discharge protection circuit according to claim 1, comprising at least two stages of electrostatic discharge units, at least one side surface of the end portion of the first conductive portion is provided with the at least two stages of electrostatic discharge units, each stage of electrostatic discharge unit includes the at least one electrostatic discharge portion, and distances between the at least two stages of electrostatic discharge units and the end portion of the first conductive portion are sequentially increased.

The electrostatic discharge protection circuit according to claim 4, wherein one of the at least two stages of electrostatic discharge units includes a plurality of electrostatic discharge portions, and distances between the plurality of electrostatic discharge portions in the same stage of electrostatic discharge unit and an end of the first conductive portion are equal to each other.

The electrostatic discharge protection circuit according to any one of claims 1 to 5, wherein the first conductive portion further includes an extension portion that extends from an end of the first conductive portion toward the at least one electrostatic discharge portion, and a tip of the extension portion and the at least one electrostatic discharge portion are spaced apart from each other.

The electrostatic discharge protection circuit of claim 6, wherein the at least one electrostatic discharge portion is located on at least one side of an end of the extension portion.

The ESD protection circuit of claim 6, comprising at least two stages of ESD units, wherein at least one side of the end of the extension is provided with the at least two stages of ESD units, each stage of ESD unit comprises the at least one ESD portion, and the distance between the at least two stages of ESD units and the end of the extension increases sequentially.

The esd protection circuit of claim 8, wherein one of the at least two stages of esd units comprises a plurality of esd sections, and the plurality of esd sections in the same stage of esd unit are spaced from the end of the extension by the same distance.

A display substrate comprising the electrostatic discharge protection circuit according to any one of claims 1 to 9.

The display substrate according to claim 10, further comprising a second conductive portion, wherein the first conductive portion, the second conductive portion, and the at least one electrostatic discharge portion are disposed in the same layer and spaced apart from each other, and wherein a distance between an end of the first conductive portion and the second conductive portion is larger than a distance between the end of the first conductive portion and the at least one electrostatic discharge portion.

The display substrate of claim 10, wherein a portion of the extension extends away from the second conductive portion.

The display substrate according to claim 11, wherein the first conductive portion comprises a first signal line, wherein the second conductive portion comprises a second signal line, and wherein a distance between an end of the first signal line and the second signal line is larger than a distance between the end of the first signal line and the at least one electrostatic discharge portion.

The display substrate according to claim 13, further comprising a substrate on which the first signal line, the second signal line, and the at least one electrostatic discharge portion are disposed in the same layer.

The display substrate according to claim 14, further comprising an insulating layer and an active layer, wherein the insulating layer covers the first signal line, the second signal line, and the at least one electrostatic discharge portion, and the active layer covers the insulating layer, and the insulating layer is configured to insulate the active layer from the first signal line, the second signal line, and the at least one electrostatic discharge portion.

A display device comprising the display substrate of any one of claims 12 to 15.