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Shift register unit and scanning circuit

A shift register and reset circuit technology, which is applied in static memory, digital memory information, instruments, etc., can solve the problem of poor reset ability of shift register units

Active Publication Date: 2019-04-02
XIAMEN TIANMA MICRO ELECTRONICS
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] An embodiment of the present invention provides a shift register unit and a scanning circuit, which are used to solve the technical problem of poor reset capability of the shift register unit in the prior art

Method used

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  • Shift register unit and scanning circuit
  • Shift register unit and scanning circuit

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Embodiment Construction

[0086] The technical solutions of the present invention will be described in detail below through the accompanying drawings and specific examples. It should be understood that the embodiments of the present invention and the specific features in the examples are detailed descriptions of the technical solutions of the present invention, rather than limitations to the technical solutions of the present invention. In the case of no conflict, the embodiments of the present invention and the technical features in the embodiments may be combined with each other.

[0087] It should be understood that in the description of the embodiments of the present invention, words such as "first" and "second" are only used to distinguish the purpose of description, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or imply order. "Multiple" in the description of the embodiments of the present invention means two or more.

[0088] Th...

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Abstract

The invention provides a shift register unit and a scanning circuit, which is used for solving a technical problem of poor reset ability of the shift register unit in the prior art. The shift registerunit comprises a node control circuit, a scanning control circuit, a single-stage reset circuit, a discharge control circuit, a signal output circuit and a global reset circuit, wherein the node control circuit is mutually electrically connected with the scanning control circuit through a node N2a, the node control circuit is mutually electrically connected with the single-stage reset circuit, the discharge control circuit and the signal output circuit through a node N1, and the node control circuit is mutually electrically connected with the signal output circuit through a node N2b.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a shift register unit and a scanning circuit. Background technique [0002] At present, when a liquid crystal display (Liquid Crystal Display, LCD) is displayed, the gate lines in the LCD are generally scanned line by line through a gate drive circuit, and the thin-film transistor (Thin-film transistor, TFT) is controlled to open to input the display voltage to the pixel electrode. , so that through the electric field between the pixel electrode and the common electrode, the deflection of the liquid crystal molecules is controlled to realize the display function. A general gate drive circuit is composed of multiple shift register units cascaded. [0003] However, the existing shift register unit usually has poor reset capability when the device is turned on or off, which affects the display effect of the display panel and poor user experience. Contents of the invention [00...

Claims

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Application Information

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IPC IPC(8): G09G3/36G11C19/28
CPCG09G3/3677G09G2310/0286G11C19/28
Inventor 吴浩
Owner XIAMEN TIANMA MICRO ELECTRONICS
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