Electrostatic protection circuit, array substrate, display panel and display device
A technology for electrostatic protection and array substrates, which is applied to circuits, electrical components, electrical solid-state devices, etc., can solve problems such as affecting the display effect of display panels, and achieve the effect of avoiding damage.
Inactive Publication Date: 2015-07-01
SHANGHAI AVIC OPTOELECTRONICS +1
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Problems solved by technology
[0004] In view of this, the present invention provides an electrostatic protection circuit, an array substrate, a display panel and a display device to solve the problem in the prior art that the display effect of the display panel is affected by static electricity damage to electronic components
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] An embodiment of the present invention provides an electrostatic protection circuit, such as figure 1 As shown, the electrostatic protection circuit includes a first capacitor C1 and a second capacitor C2 connected in series.
[0024] The sectional structure diagram of an electrostatic protection circuit provided in this embodiment is as follows: figure 2 As shown, the first capacitor C1 includes a first electrode layer 30, a second electrode layer 31...
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The invention provides an electrostatic protection circuit, an array substrate, a display panel and a display device. The electrostatic protection circuit comprises a first capacitor and a second capacitor which are connected in series; the first capacitor comprises a first electrode layer, a second electrode layer and a first insulation layer which is located between the first electrode layer and the second electrode layer; the second capacitor comprises a third electrode layer, a fourth electrode layer and a second insulation layer which is located between the third electrode layer and the fourth electrode layer; the second electrode layer is electrically connected with the third electrode layer; the fourth electrode layer and the first electrode layer are mutually insulated. Accordingly, the static electricity can be stored in the first capacitor or the second capacitor so as to avoid the damage caused by the static electricity and the second capacitor can still be used for storing the static electricity when the breakdown short-circuit of the first capacitor is caused by the too large static electricity and accordingly the problem that the display performance of the array substrate, the display panel and the display device is affected by the static electricity is solved.
Description
technical field [0001] The present invention relates to the field of display technology, and more specifically, to an electrostatic protection circuit, an array substrate, a display panel and a display device. Background technique [0002] Existing display panels include a display area and a non-display area located around the display area, wherein the display area includes a plurality of gate lines, a plurality of data lines, and pixel units surrounded by the gate lines and data lines. The display area includes a gate driving circuit, a data circuit and the like electrically connected to the gate lines. [0003] However, since the non-display area includes a large number of electronic components and conductive leads, etc., static electricity will inevitably be generated during the operation of the display panel, and these static electricity will cause damage to the electronic components in the display panel due to short circuit. Affects the display effect of the display pa...
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IPC IPC(8): G02F1/1362G02F1/1368G02F1/1343H01L27/02
CPCG02F1/136204G02F1/134309G02F1/1368H01L27/0288
Inventor 金慧俊
Owner SHANGHAI AVIC OPTOELECTRONICS