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GOA signal detection circuit and method, signal output system and display module

A technology of signal output and detection circuit, which is applied in the field of GOA signal detection circuit, signal output system, and display module. Effect of Avoiding Abnormal Loss

Pending Publication Date: 2022-07-08
HAINING ESWIN IC DESIGN CO LTD +1
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Problems solved by technology

[0004] In view of the shortcomings of the existing methods, this application proposes a GOA signal detection circuit and method, a signal output system, and a display module to solve the technical problem that the existing technology cannot detect the abnormality of the GOA signal in time and increase the abnormal loss

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  • GOA signal detection circuit and method, signal output system and display module
  • GOA signal detection circuit and method, signal output system and display module
  • GOA signal detection circuit and method, signal output system and display module

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Embodiment Construction

[0063] The application is described in detail below, and examples of embodiments of the application are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. Also, detailed descriptions of known technologies are omitted if they are not necessary for illustrating features of the present application. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but not to be construed as a limitation on the present application.

[0064]It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It should also be understood that terms, such as those defined in a ge...

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Abstract

The embodiment of the invention provides a GOA signal detection circuit and method, a signal output system and a display module. The GOA signal detection circuit comprises a sampling unit used for acquiring a GOA signal output by a GOA signal output unit and converting the GOA signal into a sampling level signal; the processing unit is used for comparing the sampling level signal with a designed reference level signal to obtain comparison data; and the control unit is electrically connected with the processing unit, is configured to be electrically connected with the power supply unit, and is used for determining whether the comparison data is matched with the designed target data or not, and controlling the power supply unit to be powered off if the comparison data is not matched with the designed target data. According to the GOA signal detection circuit provided by the embodiment of the invention, self-detection of the GOA signal can be realized, abnormity of the GOA signal can be quickly and timely found, the power supply unit is controlled to be powered off, and expansion of abnormal loss is avoided, so that the abnormal loss is reduced.

Description

technical field [0001] The application relates to the technical field of detection circuits, and in particular, the application relates to a detection circuit and method of a GOA signal, a signal output system, and a display module. Background technique [0002] At present, the display module generally adopts the GOA (Gate Driver On Array) technology. [0003] However, after the existing GOA signal output unit outputs the GOA signal, if the abnormality of the GOA signal cannot be found in time, it is easy to increase the abnormal loss. SUMMARY OF THE INVENTION [0004] Aiming at the shortcomings of the existing methods, the present application proposes a GOA signal detection circuit and method, a signal output system, and a display module to solve the technical problem in the prior art that the abnormality of the GOA signal cannot be detected in time and the abnormal loss is increased. [0005] In a first aspect, an embodiment of the present application provides a detecti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/00
CPCG09G3/006G09G2330/12
Inventor 白王静
Owner HAINING ESWIN IC DESIGN CO LTD
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