Electrostatic protection circuit and panel
A technology of electrostatic protection and electrostatic charge, which is applied in the direction of circuits, electrical components, electric solid devices, etc., can solve the problem of low reliability of the electrostatic discharge circuit, and achieve the effect of improving reliability
Active Publication Date: 2019-11-22
HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
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Problems solved by technology
[0003] In view of this, the object of the present invention is to propose an electrostatic protection circuit and panel to solve the problem of low reliability of the electrostatic discharge circuit in the related art
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[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0021] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only use...
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The invention discloses an electrostatic protection circuit and a panel, which are used for solving the problem of low reliability of electrostatic protection circuits in related technologies. The electrostatic protection circuit includes: a first electrostatic discharge loop and a second electrostatic discharge loop, wherein the first electrostatic discharge loop and the second electrostatic discharge loop are respectively used for discharging electrostatic charges from the first end of the electrostatic protection circuit to the second end of the electrostatic protection circuit, and the second electrostatic discharge loop is used for delaying the release of the electrostatic charges compared with the first electrostatic discharge loop. According to the electrostatic protection circuit,after the first electrostatic discharge loop is melted down, the second electrostatic discharge loop can still work normally, and the reliability of the electrostatic protection circuit is improved.
Description
technical field [0001] The invention relates to the technical field of semiconductors, in particular to an electrostatic protection circuit and a panel. Background technique [0002] During the production process, friction will cause the array substrate to be charged with static electricity. Its mechanism is the transfer of electrostatic charges between objects caused by direct contact or electrostatic induction between objects with different electrostatic charge potentials. ESD (Electro-Static Discharge, electrostatic discharge) usually refers to the phenomenon that after the energy of the electrostatic field reaches a certain level, it breaks down the medium and discharges it. Under normal circumstances, ESD will damage the interface devices connected to it. Another situation is that the device after being impacted by ESD may not be damaged immediately, but the performance degradation leads to premature failure of the product. In current production, it is common to add a...
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IPC IPC(8): H01L27/02
CPCH01L27/027
Inventor 唐川江张淼杨通
Owner HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD